Preparation of the Popliteal LN
For all the following steps, the mouse should be transferred to the heated platform see Fig 1A . The use of this stage simplifies the management of the mouse during the preparation of the sample and contributes to the overall stability of the intravital setup. 1. Shave the hair of the left lower hind leg using a small animal clipper. 2. Tape the tail of the mouse to the right side of the body using surgical tape. The left lower hind leg is gently pulled out and kept in extension using surgical...
Anisochilus carnosus Wall
Habitat The western Himalayas, Central and southern India. Folk Karpuravalli southern region . Action Stimulant, expectorant and diaphoretic. Juice of fresh leaves is used in urticaria and other allergic conditions a domestic remedy for coughs and cold. Alcoholic extract of the whole plant antibacterial. Essential oil antitubercular. The oil exhibits antihistaminic property in vitro on smooth muscles of the uterus and the intestines. It also possesses muscle-relaxant action bactericidal and...
Blood transport boxes extended cold life
Purpose of Equipment To carry whole blood from individual donors to blood bank or from blood bank to point of use Laboratory Test Procedure Standard Test Procedure B4 PROC 2 Robustness Fittings 2, casing 2 see ratings in test procedure Net Capacity for Blood Bags 15 to 27 litres approx. 20 bags Cold Life Maintenance of under 10 C for minimum 130 hrs in ambient temperature of 43 C Maximum Ice Melting Rate More than 10 hrs per 1 kg ice melted during 43 C cold life test Cold Packs To conform to...
Scientific Name 1
carrageenan-producing Algae, coralline members of Kingdom Protista all phyla Acanthopeltis spp., Ahnfeltia spp., Gelidium spp. principal source , Gracilaria spp., Pterocladia spp., and others Ascophyllum spp., Durvillea spp., Ecklonia spp., Laminaria spp., Macrocystis spp., and others Pleurococcus spp. and others see footnote under Bark, green algae that inhabit members of Phylum Chromophyta, Kingdom Protista Chondrus crispus, Eucheuma spp., and others Bossiella spp., Corallina spp.,...
Caveolin and Rhofamily GTPases
Rho GTPases participate in the regulation of polarity, microtubule dynamics and cell shape, the latter property being regulated by the Rho GTPases adjusting the organization of the actin cytoskeleton. For example, Cdc42 induces filopodia, Rac induces lamellipodia, and Rho induces focal adhesion and associated stress fibers 13 Fig. 9.2 . Rho GTPases are a group of molecular switches which control complex cellular processes. They cycle between two conformational states one state is bound to GTP...
Most chelicerates have four pairs of walking legs
In the body plan of chelicerates phylum Chelicerata , the anterior region head bears two pairs of appendages modified to form mouthparts. In addition, many chelicerates have four pairs of walking legs. The 63,000 described chelicerate species are usually placed in three classes Pycnogonida, Merostom-ata, and Arachnida most of them belong to Arachnida. The pycnogonids class Pycnogonida , or sea spiders, are a poorly known group of about 1,000 marine species Figure 33.16a . Most are small, with...
Peripheral Resistance And Its Determinants
Pressure, flow, and resistance are related most often through Poiseuille's equation, which was first formulated in 1842. Based on a series of careful observations of water flowing through rigid tubes, Poiseuille demonstrated that the resistance to flow R through a tube is proportional to tube length L and fluid viscosity h and inversely proportional to the tube radius to the fourth power r4 . These variables can be related to each other in the following way Poiseuille's equation applies to the...
The Revival of Immune Surveillance
Experimental support of immune surveillance began to emerge in the middle 1990s with the development and testing of a variety of mutant mice that were deficient in one or more components of innate or adaptive immune systems. The first evidence came from a series of experimental models that eliminated interferon IFN -7, an important cytokine produced mainly by T cells, natural killer NK cells, and NKT cells. Mice treated with neutralizing antibodies for IFN-7 and then given transplanted...
Intrinsic Regulation of Blood Flow
Intrinsic, or built-in, mechanisms within individual organs provide a localized regulation of vascular resistance and blood flow. Intrinsic mechanisms are classified as myogenic or metabolic. Some organs, the brain and kidneys in particular, utilize these intrinsic mechanisms to maintain relatively constant flow rates despite wide fluctuations in blood pressure. This ability is termed autoregulation. If the arterial blood pressure and flow through an organ are inadequate if the organ is...
Multiple Sulfatase Deficiency
Multiple sulfatase deficiency MSD is a very rare disorder with an autosomal recessive mode of inheritance. It occurs with a prevalence of about 1 in 1.4 million births. The disease combines the features of metachromatic leukodystrophy and mucopolysac-charidosis. It is also called mucosulfatidosis, Austin variant or variant O. Three different types of MSD have been described a neonatal form, an early-childhood form and a very rare juvenile form. The early-childhood form is the usual, or classic,...
Substrate Concentration
Substrate concentration may be altered as a result of factors that alter the supply of a substrate from outside a cell. For example, there may be changes in its blood concentration due to changes in diet or rate of substrate absorption from the intestinal tract. In addition, a substrate's entry into the cell through the plasma membrane can be controlled by mechanisms that will be discussed in Chapter 6. Intracellular substrate concentration can also be altered by cellular reactions that either...
Ferritin Distribution and Primary Structure
We begin with a definition of what constitutes ferritin - typically it is an oligomeric protein of 24 identical or similar subunits, each of molecular weight around 20 kD, forming a hollow protein shell with an external diameter of 12-13 nm, inside diameter of 7-8 nm, molecular weight about 500 kD, capable of storing up to 4500 iron atoms in a water-soluble, non-toxic, bioavailable form as ferric hydroxyphosphate micelles. There is one exception to this definition, namely the ferritin from the...
Psychological Criteria of Personal Identity I Memory
The reason why the brain was considered as pertinent to personal identity in the first place is that we correctly, in all probability assume that it embodies the psychic functions we are looking for cognitive abilities and character traits. Accordingly, our investigation so far shows that it is rather these abilities and traits themselves we have to consider, not their contingent physical implementation. We therefore continue by addressing ourselves to psychological criteria of personal...
Optical Biosensors
The field of biosensors has emerged as a topic of great interest because of the great need in medical diagnostics and, more recently, the worldwide concern of the threat of chemical and bioterrorism. The constant health danger posed by new strands of microbial organisms and spread of infectious diseases is another concern requiring biosensing for detecting and identifying them rapidly. Optical biosensors utilize optical techniques to detect and identify chemical or biological species. They...
Rectovaginal Fistulae
Rectovaginal fistulae occur in 3-10 of women with Crohn's disease 74, 75 . Most of these fistulae originate from an anterior rectal ulcer eroding into the vagina, which usually occurs in the midportion of the rectovaginal septum. These fistulae are the most difficult to treat and have a poor prognosis 76-78 . Less commonly, these fistulae may arise from an infected anal gland and they may travel superficially, through, or above the sphincters. Bartholin's abscesses may also fistulise to the...
Spermatogonia and Mitosis
Spermatogonia of mammals are always found adjacent to the basement membrane of the seminiferous tubule and are classified as either stem cells or differentiated sper-matogonia 19-26 . The first category, stem cells, are called type A spermatogonia, whereas differentiated spermatogonia are designated as type B spermatogonia. Type A spermatogonia in primates are further divided into dark type A, or Ad, spermatogonia, and pale type A, or Ap, spermatogonia 17,19-26 . The Ap spermatogonia divide to...
Table I
Polyhedron-shaped bodies are associated with disease of silkworms Memorie dell' I.R. Instituo Lombardo di Scienze, Lettere ed Arti 1856 6 3-387 Parte quarta Patologia del baco., pp. 332-336 Monografia del bombice del gelso Bombyx mori Linneo . Frammenti anatomici, fisiologici e patologici sul baco da seta 1856 Bombyx mori Linn . Fratelli Fusi, Pavia, p. 172 Correctly associated polyhedral bodies observed in the 1894 disease, silkworm jaundice, with the disease Discovered that polyhedra are...
The Calvin Cycle
Recall now what F.F. Blackman observed in 1905 in certain situations, the rate of photosynthesis is governed by temperature, indicating that the chemical changes of photosynthesis are controlled by enzymes. Such reactions are the so-called dark reactions of photosynthesis. Carbon is converted to carbohydrate during the dark reactions. Melvin Calvin 1911- used a radioactive isotope of carbon, C'4, to trace the carbon of carbon dioxide as it went through several intermediate changes. He very...
Future Directions Dvb
Flow cytometry is a rapidly expanding field worldwide where an enormous increase in its capability can be expected over the coming years. As indicated in the beginning of this chapter, there has been renewed interest in flow cytom-etry from the point of view of research where a major impetus is derived from its applications to genomics and proteomics. Recent advances in solid-state lasers, microfluidics, microarray technology, micro-optics, and miniaturized detectors provide challenging...
Wound Revision and Hemostasis Using the Illuminated Retractor and Bipolar
Hemostasis is carried out by means of electrocoagulation and with the assistance of an endoscope or an illuminated retractor. This hemostasis is carried out twice. One always begins with the right breast. After dissection and hemostasis have been completed, a damp compress is applied. When the left side has been dissected, a second hemostasis is carried out before incorporation of the implant. Until now, we have not seen any postoperative bleeding in patients where this second hemostasis has...
Structure of the Respiratory System
Gas exchange in the lungs occurs across an estimated 300 million tiny 0.25 to 0.50 mm in diameter air sacs, known as alveoli. Their enormous number provides a large surface area 60 to 80 square meters, or about 760 square feet for diffusion of gases. The diffusion rate is further increased by the fact that each alveolus is only one cell-layer thick, so that the total air-blood barrier is only two cells across an alveolar cell and a capillary endothelial cell , or about 2 im. This is an average...
LacZ staining on cryosections
As already introduced in Section 3.3, the bacterial lacZ gene can be engineered into the targeting construct so that it is activated upon Cre-mediated gene disruption. Consequently, it can then be used to examine the expression of the disrupted gene. This approach was used in our laboratory to monitor the K5-Cre-driven excision of the 1 integrin gene Brakebusch et al., 2000 . The protocol described below uses the -gal substrate X-gal that produces blue precipitates that are insoluble in fixed...
Gell and Coombs Classification
Several forms of hypersensitive reaction can be distinguished, reflecting differences in the effector molecules generated in the course of the reaction. In immediate hypersensitive reactions, different antibody isotypes induce different immune effector molecules. IgE antibodies, for example, induce mast-cell degranulation with release of histamine and other biologically active molecules. IgG and IgM antibodies, on the other hand, induce hypersensitive reactions by activating complement. The...
Ion pumps and channels generate resting and action potentials
The plasma membranes of neurons, like those of all other cells, are lipid bilayers that are impermeable to ions. However, these impermeable lipid bilayers contain many protein molecules that serve as ion channels and ion pumps see Chapter 5 . Ion pumps and channels are responsible for resting and action potentials. Ion pumps use energy to move ions or other molecules against their concentration gradients. A major ion pump in the plasma membranes of neurons and of all other cells is the...
Blumea lacera
Habitat Tropical Himalayas, and throughout the plains of Assam and Penninsular India. Action Plant diuretic. Essential oil CNS depressant. Habitat Throughout the plains of India, ascending to 700 m. Ayurvedic Kukundara, Kukuradru, Taamrachuuda. Siddha Tamil Narakkarandai, Kaatu Mullangi. Action Plant antipyretic. Leaf astringent, febrifuge, diuretic, deobstruent, anthelmintic particularly in case of thread worm . Root anticholerin. Essential oil antibacterial, antifungal. The leaves on steam...
Word Parts Pertaining to the Eye and Vision
TABLE 18-3 Roots for External Eye Structures adhesion of the eyelid to the eyeball dacryocystoce 1 e dak-re-d-SIS-to-sel
Electrical Activity of the Heart
If the heart of a frog is removed from the body and all neural innervations are severed, it will still continue to beat as long as the myocardial cells remain alive. The automatic nature of the heartbeat is referred to as automaticity. As a result of experiments with isolated myocardial cells and clinical experience with patients who have specific heart disorders, many regions within the heart have been shown to be capable of originating action potentials and functioning as pacemakers. In a...
Isoflavonoids
The isoflavonoids form a quite distinct subclass of flavonoid compound, being structural variants in which the shikimate-derived aromatic ring has migrated to the adjacent carbon of the heterocycle. This rearrangement process is brought about by a cytochrome P-450-dependent enzyme requiring NADPH and O2 cofactors, which transforms the flavanones liquiritigenin or naringenin into the isoflavones daidzein or genistein respectively via intermediate hydrox-yisoflavanones Figure 4.47 . A radical...
Cellular Interactions During Thymus Organogenesis
2.2.1. Epithelial Mesenchymal Interactions The essential role of NCC in thymus organogenesis was demonstrated by the perturbed development of TEC in E12.5 thymic lobes cultured in the absence of the mesenchymal capsule 87 . In addition, ablation of the migratory capacity of NCC, by artificially induced lesions in chick embryos 88 results in thymic aplasia or hypoplasia. However, although NCC are likely to be important in early stages of thymus formation, no functional role has been demonstrated...
Suprarenal Gland
The suprarenal gland develops from two components a a mesodermal portion, which forms the cortex, and b an ectodermal portion, which forms the medulla. During the fifth week of development, mesothelial cells between the root of the mesentery and the developing gonad begin to proliferate and penetrate the underlying mesenchyme Fig. 19.42 . Here they differentiate into large acidophilic organs, which form the fetal cortex, or primitive cortex, of the suprarenal gland Fig. 19.44A . Shortly...
w AO OfCUbl
S48861-4 Leptolebias aureoguttatus Cruz, 1974 Goldpunkt-Zwergf cherfisch Goldspotted Dwarfed Pearlfish Itanha m, Sao Paulo, S dost-Brasilien Itanha m, Sao Paulo, SE Brazil W 4 cm S48860-4 Leptolebias aureoguttatus .Cruz, 1974 Goldpunkt-Zwergf cherfisch Goldspotted Dwarfed Pearlfish Iguap , S dost-Brasilien Iguap , SE Brazil B 4 cm S4886S-4 Leptolebias aureoguttatus Cruz, 1974 Goldpunkt-Zwergf cherfisch Goldspotted Dwarfed Pearlfish Paranagu , Paran , S dost-Brasilien Paranagu , Paran , SE...
Leukocyte Adhesion Deficiency II
LAD II syndrome results from a general defect in fucose metabolism, causing the absence of SLeX and other fucosylated ligands for the selectins. LAD II was first described in two unrelated Arab consanguineous parents Etzioni et al. 1992 . This is an extremely rare condition with only six patients reported Y akubenia and Wild 2006 . Affected children were born after uneventful pregnancies with normal height and weight. No delay in the separation of the umbilical cord was observed. They have...
Nasal Polyps
The cause of most inflammatory polyps remains a mystery in spite of extensive work describing their cell morphology, IgE, and cytokine profiles Kramer et al., 2000 , as well as exploring some possible genetic associations Irving et al., 1997 . Why nasal polyps present more than twice as frequently in men is unknown. It is often said that polyps are caused by allergy, although atopy is no more prevalent in patients with nasal polyps than in the whole population Slavin, 1997 . However, a higher...
Synthetic
2-arachidonoyl-glycerol 2-arachidonylglycerylether O-arachidonyl ethanolamine Figure 1. Cannabinoid-based drugs are either derived from the Cannabis plant or produced in the body from arachidonic acid. Many but not all have affinity for cannabinoid receptors. See text for explanation. suggested the existence of an endogenous ligand with similar activity and the isolation of the first of these was reported in 1992 Devane et al. 1992 . This so-called endocannabinoid was demonstrated to be the...
The Components of a Flow Cytometer
A flow cytometer consists of a light source, which in all modern flow cytome-ters is a laser, and illumination optics to focus the laser beam on to a flowing biological cell or a polystyrene microsphere, which is fluorescently labeled. The scattered laser light and the fluorescence response are separated and focused onto photodetectors. A special electronics processes the optical response and controls a sorter if it is provided. These components of a flow cytometer are described in detail here....
Superficial abdominal reflex
This involves reflex contraction of the anterior abdominal Fig. 6.39 Eliciting the plantar reflex. Fig. 6.39 Eliciting the plantar reflex. wall in response lo light tactilc stimulation. The segmental innervation of the reflex arc ranges from approximately TX to T12. The normal response is for he umbilicus to either elevate or depress and move laterally towards the quadrant of stimulation. This reflex can be elicited easily in children and young adults but becomes much more sluggish in the...
Notes Ginkgo biloba
Gymnosperms are generally and correctiy considered to be coniferous trees having needle-shaped leaves commonly retained on the plant for several years. They are thus called evergreens. An exception is Ginkgo biloba, which has many traits of a hardwood angiosperm. Ginkgo biloba is the only remaining survivor of the Ginkgophytes, which were extensive in the late Paleozoic period. Their ancestors are unknown, but they seem to have arisen from more than a single precursor. In past times, there were...
Aplocheilidae Bleeker 1860
Adamas Huber, 1979 A formosus Huber, 1979 Aphyoplatys Clausen, 1967 A duboisi Poll, 1952 Aphyosemion Myers, 1924 A. ahll Myers, 1933 A. F. am er Radda, 1976 A. amoenum Raoda amp POrzl, 1976 A F. arnoldi Boulenger, 1908 A aureum Radda, 1980 A australe Rachow, 1921 A. bamllekorum Radda, 1971 A f. batesii Boulenger, 1911 A bitaeniatum Ahl, 1924 A bivittatum L nnberg, 1895 A bualanum Ahl, 1924 A buytaertl Raoda amp Huber, 1978 A calliurum Boulenger, 1911 A cameronense cameronense Boulenger, 1903 A...
The formal representation of the genome
In contrast to prokaryotes that tend to have single, often circular chromosomes, the genes in plants, animals, yeasts, and other eukaryotes are partitioned among several chromosomes. The number of chromosomes is generally between 10 and 100, though it can be as low as 2 or 3, or much higher than 100. In particular, fern species exhibit some of the largest chromosome numbers, which is a result of polyploidy. For example, Adder's tongue fern Ophiglossum has a base number of 120 chromosomes, the...
Exercise 101
1. hyperalbuminemia hi-per-al-bu-mi-NE-me-a 2. hypoproteinemia hi -po-pro-fen-E-me-a _ 3. cytopenia si-to-PE-ne-a _ 4. thrombocytopenia fhrom-bo-si-to-PE-ne-a _ 5. erythropoiesis e-rifh-ro-poy-E-sis _ Word building. Use the suffix -emia to write a word for each of the following definitions 6. Presence of pus in the blood _ 7. Presence of viruses in the blood _ 8. Presence of toxins in the blood _ 9. Presence of excess white cells leuk o- in the blood _ Many of the words relating to blood cells...
Oviduct Transfer Procedure
1. Sterilize all instruments by dipping them in 100 ethanol and air-drying. Instruments can also be sterilized by autoclaving or by dry sterilizer e.g., Germinator 500 dry sterilizer . 2. Weigh, then anesthetize pseudopregnant females by ip injection of 2.5 Avertin 0.015-0.017 ml per gram body weight . A stock of 100 Avertin prepared by mixing 10 g tribromoethyl alcohol with 10 ml tertiary amyl alcohol can be stored wrapped in foil at 4 C. To use, dilute to 2.5 in 0.9 NaCl. After filter...
Fundamentals of Hyperthermia
In humans, there are three major temperature ranges. An elevated body temperature lt 41.8 C is defined as fever and is recognized as a basic physiologic function contributing to survival. It is conserved across evolution and ubiquitous in the animal kingdom. Fever appears to have a beneficial role in enhancing defense of the body because it has a very high metabolic cost and would otherwise have been selected against 4 . Research has shown that for each 1C one centigrade degree rise in...
Hormone Transport in the Blood
Peptide and catecholamine hormones are water-soluble. Therefore, with the exception of a few peptides, these hormones are transported simply dissolved in plasma Table 10-2 . In contrast, the steroid hormones and the thyroid hormones circulate in the blood largely bound to plasma proteins. Even though the steroid and thyroid hormones exist in plasma mainly bound to large proteins, small concentrations of these hormones do exist dissolved in the plasma. The dissolved, or free, hormone is in...
Exercise 141
2. testopathy test-TOP-a-tKe _ 3. orchialgia or-ke-AL-je-a _ 4. epididymectomy ep-i-did-i-MEK-to-me _ 5. prostatic pros-TAT-ik _ 7. orchiepididymitis or-ke-ep-i-did-i-MI-tis _ Use the root orchi o to write a word that has the same meaning as each of the following definitions. Each is also written with the root orchid o. 8. surgical fixation of a testis 9. plastic repair of a testis 10. incision of a testis Use the root spermat o to write a word that has the same meaning as each of the following...
Phaseolus vulgaris Linn
Synonym P. nanus Linn. Family Fabaceae. English Kidney Bean, French Bean, Haricot Bean. Unani Raajmah seed , Lobia, Frashbean. Action Bean diuretic, hypotensive, resolvent, regulates blood sugar. Used for water retention albuminuria, especially of pregnancy premenstrual tension. Key application Seed-free pods in supportive treatment for inability to urinate. German Commission E. The seeds of French Bean contain triterpenoid glucosides and soyasapo-nin V. Raajmah consumption by diabetic patients...
Sexual Reproduction 1
Sexual reproduction in mosses begins with the formation of multicellular gametangia, usually at the apices of the leafy shoots of gametophytes see Fig. 20.13 , although they frequently form on special separate branches. Both male and female gametangia are often produced on the same plant, but in some species, they occur on separate plants. The archegonia female gametangia are somewhat cylindrical and project upward from the base of the expanded gametophyte tip Fig. 20.11 . When certain cells...
Endocytosis
Several varieties of endocytosis can be identified. When the endocytotic vesicle simply encloses a small volume of extracellular fluid, as described above, the process is known as fluid endocytosis. In other cases, certain molecules in the extracellular fluid bind to specific proteins on the outer surface of the plasma membrane and are carried into the cell along with the extracellular fluid when the membrane invaginates. This is known as adsorptive endocytosis. In addition to taking in trapped...
Treatment of Extraocular Retinoblastoma
In the United States, a minority of patients with retinoblastoma presents with extraocular disease. Extraocular disease may be localized to the soft tissues surrounding the eye or to the optic nerve beyond the margin of resection. However, further extension may occur into the brain and meninges with subsequent seeding of the spinal fluid, as well as distant metastatic disease involving the lungs, bones, and bone marrow. In patients with the genetic form of retinoblastoma, central nervous system...
Supplementary Terms The Eye
The angle at either end of the slit between the eyelids A unit of measurement for the refractive power of a lens The normal condition of the eye in refraction, in which parallel light A bottom or base the region farthest from the opening of a structure. The fundus of the eye is the back portion of the inside of the eyeball The framework of dense connective tissue that gives shape to the eye- A system of fibers that holds the lens in place also called suspensory A condition that occurs when...
Chick chorioallantoic membrane angiogenesis assay
The chorioallantoic membrane CAM in the chicken embryo has been used since the early 1900s to study angiogenesis in vivo see the short commentary by Ribatti, 2004 . Many years later, Cheresh and colleagues employed this model to demonstrate the requirement of av 3 for angiogenesis induced by VEGF, while that induced by bFGF requires av 5 Brooks et al., 1994a Friedlander et al., 1995 . This model is still being used routinely as a screen for integrin antagonists and antiangiogenic agents....