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A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

V

V2 receptors
Vaccine
Preparation of dead or weakened pathogens, or their products, which when introduced into the body, stimulates the production of protective T cells and/or antibodies without causing the disease. [Discussion] [flu vaccines] [against AIDS] [against smallpox]
Vacuoles, in plant cells
Vagus nerves
[effect on the heart]
Valence
Number of electrons gained, lost, or shared by an atom in bonding to one or more other atoms. [Discussion] [types of chemical bonds between atoms]
Valine
Variable number of tandem repeats (VNTRs)
Variant surface glycoprotein (VSG) of trypanosomes
Variation, continuous
Variola virus
Variolation
Vascular
Containing vessels that conduct liquid.
Vasectomy
Vasopressin (arginine vasopressin, the antidiuretic hormone)
V(D)J Joining
Vector
(1) An animal (e.g., an insect) that transmits a parasite. [Example] Reducing the population of a vector is often a good way to lower the incidence of the disease it transmits. (2) In genetic engineering, a virus or plasmid that carries a molecule of recombinant DNA into a cell, thus transforming it. [retroviral vectors] [adeno-associated virus (AAV) as a vector]
VegT
Venter, J. C.
[minimal genome] [synthetic genome]
Ventral tegmental area (VTA)
Vernalization
Vertebrate
Any backboned animal. Includes fishes, amphibians, reptiles, birds, and mammals. [Discussion] [comparative kidney structure and function] [vertebrate lungs] [vertebrate hearts] [vertebrate brains]
Vestigial
Term applied to a degenerate or incompletely developed structure which was more fully developed at an earlier stage of the organism and/or its ancestors.
Vibrio cholerae
Viking missions to Mars
Villi
Vimentins
Virion
Viroids
Viruses
[general discussion] [latent] [RNA viruses]
Virusoids
Viscera
Organs in the body cavity.
Vision
[in humans] [processing visual information] [in insects] [ultraviolet]
Vitamins
[in human nutrition] [Recommended Dietary Allowances (RDAs)]
Vitamin K
Vitreous body
Viviparous
Having embryos that develop to adult form within the mother's body while securing most of their nourishment from the mother's tissues rather than from the yolk of the egg.
Volvox
Vomeronasal organ (VNO)
von Frisch, K.
von Willebrand Factor (vWF)
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