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Varicocele
Varicocele Dilated veins in the spermatic cord above or around the testis that can cause decreased sperm production on the affected side.
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Veins
Blood vessels that carry blood from the arms, legs, head and body organs back to the heart.
Cord
1. In anatomy, a long ropelike structure. 2. Short for the spinal cord or the umbilical cord.
Testis
(plural testes). A male's testes are located in a pouch that hangs suspended outside his body. The testes produce testosterone and sperm.
Sperm
A sperm cell, or spermatozoon (pl. spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm, through the chromosomal pair "XX" (for a female) or "XY" (for a male).
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Variance (statistics)
A measure of the amount by which a value differs from the mean.
Variant Angina
A type of angina that occurs at rest. Most often due to coronary spasm.
Varicella
Also known as chickenpox is a mild, highly contagious disease characterised by fever and itchy blisters all over the body. It is caused by the varicella zoster virus. It is very common in children but can affect people of all ages.
Varicella vaccine
The newest vaccine developed for children; the American Academy of Pediatrics recommends giving it between 12 and 14 months. Estimated to be 70 to 90 percent effective - if your child still comes down with chicken pox, it will be a mild case.
Varices
Stretched veins such as those that form in the esophagus from cirrhosis.
Varicose vein
An abnormally dilated vein.
Varicose Veins
Varicose veins -swollen, purple veins- are common in the legs and around the vaginal opening during late pregnancy. In most cases, varicose veins are caused by the increased pressure on the legs and the pelvic veins, and by the increased blood volume.
Varicose veins
Swollen, distended veins especially visible in the legs.
Variola
Syn: smallpox.
Variolation
The historical practice of inducing immunity against smallpox by "scratching" the skin with the purulency from smallpox skin pustules. The first inoculation for smallpox is said to have been done in China about 1022 B.C.
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Vestibule
That portion of the vulva which is bounded anteriorly by the clitoral glans and prepuce (clitoral hood), posteriorly by the perineum, and laterally by the exterior margins of the labia minora, and containing the opening anteriorly of the urethral meatus and posteriorly of the introitus of the vagina.
VlP
Vasoactive intestinal polypeptide: a peptide hormone first isolated from the small intestine and subsequently found to have many physiological roles, one of which pertains to arousal of the sex organs, including erection of the penis.
Vulva
The external female genitalia.
Valium
An anti-siezure/sedative member of the benzodiazopene family of drugs. This drug is the first choice in rapid siezure termination.
Virulence
The measure of how many organisms, or how much exposure to an organism, is required to cause disease. For instance Shigella can be caused by as little as a few bacteria, while E. Coli can require millions of bacteria to cause problems.
Varicocele
Varicose veins
Swollen, distended veins especially visible in the legs.
Vasodilation
Causing the widening or opening (dilation) of blood vessels.
Vector
An animal that spreads an infectious agent from one host to another. Also called a carrier.
Venom
A toxin secreted by an animal.
Venous
Having to do with a vein.
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