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Follicle-Stimulating Hormone (FSH)
Follicle-Stimulating Hormone (FSH) The hormone released from the pituitary. FSH stimulates estrogen production in females, and sperm production in males. FSH uses cyclic AMP as its second messenger.
RELATED TERMS--------------------------------------
Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Pituitary
The gland from which a number of hormones are released into the bloodstream. These hormones include growth hormone, ACTH, B-lipocortin (the precursor to B-endorphorin), FSH, LH, and TSH.
Estrogen
A hormone produced in the ovaries that works with progesterone to, among other things, regulate the reproductive cycle.
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).
SIMILAR TERMS--------------------------------------
Follicle
The tiny shaft in the skin through which a hair grows, and sebum is excreted from sebaceous glands to the surface of the skin.
Follicle stimulating hormone
A hormone produced by the pituitary gland that stimulates the growth of eggs in the ovaries.
Follicles
Each month several of these small egg-containing cavities develop on the ovary of an ovulating woman. Each cavity contains a single immature egg; ovulation occurs when a follicle (or sometimes more than one) ruptures and releases an egg.
Follicular cyst of the ovary
A fluid-filled sac in the ovary, the most common type of ovarian cyst. It results from the growth of a follicle. A follicle is the fluid-filled cyst that contains an egg. In some cycles, this follicle grows larger that normal and does not rupture to release the egg. Normally it resolves with simple observation over the course of days to months.
Folliculitis
Inflammation of the hair follicles.
Follistim
Follistim is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): follitropin alfa-beta.
Follistim aq
Follistim aq is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): follitropin alfa-beta.
Follutein
Follutein is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): gonadotropin, chorionic.
PREVIOUS AND NEXT TERMS--------------------------------------
Fibrosis
The presence of scar tissue or collagen fibers in any tissue. In the liver, fibrosis or scarring of the liver damages the architecture and thus the functionality of the organ. Fibrosis, combined with the liver’s ability to regenerate, causes cirrhosis (regeneration within the scar tissue).
Fibrous tissue
Tissue consisting of or containing fibers.
Follicle-Stimulating Hormone (FSH)
Fallopian tubes
Female reproductive organ. The fallopian tubes take up the mature ovum after ovulation and carry it to the uterus. The fallopian tubes are the site of fertilization.
Free radical
Any molecule that contains an unpaired electron. Free radicals are unstable and will extract electrons from other biological molecules, which generates more free radicals.
Fetus
The stage of human development from 10 weeks' gestation until birth.
Fertilization
The combining of the genetic material carried by sperm and egg to create an embryo. Normally occurs inside the fallopian tube (in vivo) but may also occur in a petri dish (in vitro).
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