• This damage can be from a tumour, surgery or radiation to treat the tumour, or problems with blood supply to the pituitary gland. (primanora.com)
  • There are various kinds of pituitary tumors: adenomas, craniopharyngiomas, and Rathke's cleft cysts. (mayfieldclinic.com)
  • Closely related to pituitary adenomas are craniopharyngiomas and Rathke's cleft cysts. (mayfieldclinic.com)
  • Craniopharyngiomas typically grow from the pituitary stalk upward into the third ventricle and cause symptoms similar to pituitary adenomas. (mayfieldclinic.com)
  • Cushing's is a disease of middle-aged to older cats (7-12 years), and may be caused by a pituitary tumor (90% are adenomas), pituitary hyperplasia, adrenal tumors, adrenal hyperplasia, by non-endocrine tumors (usually lung) or it may be iatrogenic. (dvm360.com)
  • Growth hormone-secreting pituitary adenomas begin in the somatotropic cells of the pituitary gland. (table-tennis-player.club)
  • Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T4), and then triiodothyronine (T3) which stimulates the metabolism of almost every tissue in the body. (wikipedia.org)
  • TSH (with a half-life of about an hour) stimulates the thyroid gland to secrete the hormone thyroxine (T4), which has only a slight effect on metabolism. (wikipedia.org)
  • The thyroid gland is located in the neck. (medlineplus.gov)
  • Because thyroid hormones are produced and broken down (metabolized) at the same rate, thyroid function tests are most often still normal. (medlineplus.gov)
  • The parathyroid glands are four tiny glands located around the thyroid. (medlineplus.gov)
  • For example, hypothalamic TRH stimulates TSH release, which in turn stimulates the thyroid gland, resulting in increased serum levels of thyroxine (T4) and triiodothyronine (T3). (medscape.com)
  • a hormone secreted by the thyroid gland, controlling the rate of bone destruction. (absp.org.uk)
  • Thyroid-stimulating hormone: causes the thyroid gland to make other hormones that control growth, temperature, and heart rate. (mayfieldclinic.com)
  • This network of arteries, veins, and capillaries connects to the body's bloodstream, and transports hormones to other endocrine organs , such as the thyroid , ovaries , adrenal, and other glands. (wise-geek.com)
  • This paper reviews the main landmarks in the history of thyroid disease, supplemented by a brief discussion of the historically relevant scientific aspects of the thyroid gland, and the evolution of endocrinology as a formal discipline. (who.int)
  • 3 ]. on the thyroid gland. (who.int)
  • While they were studying the effects historical developments in our knowledge of "pancreatic juices" on the duodenal mu- of anatomy and physiology of the thyroid cosa, they isolated a substance, giving it gland. (who.int)
  • It claims to activate the pituitary gland, which in turn can boost hGH secretion. (outlookindia.com)
  • Hypopituitarism is a partial or complete insufficiency of pituitary hormone secretion that may derive from pituitary or hypothalamic disease. (medscape.com)
  • PRL secretion is distinct from that of the other anterior pituitary hormones, being inhibited by hypothalamic dopamine. (medscape.com)
  • a hormone that is produced by the duodenal mucosa and has an inhibitory action on gastric motility and secretion. (absp.org.uk)
  • ACTH) is a 39 amino acid peptide hormone produced by cells of the anterior pituitary gland and carried by the peripheral circulation to its effector organ, the adrenal cortex, where it stimulates the synthesis and secretion of glucocorticoids and, to a more modest extent. (kembrel.com)
  • A substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland. (learnthat.org)
  • 17α-hydroxyprogesterone (17-OHP) is a steroid hormone that is primarily produced in the adrenal glands, as well as in ovaries, testes, and placenta. (cdc.gov)
  • Estradiol is produced primarily in the ovary (follicle, corpus luteum), but small quantities are also formed in the testes and in the adrenal cortex, as well as in fat cells. (cdc.gov)
  • The male reproductive system consists of a pair of testes that produce sperm (or spermatozoa ), ducts that transport the sperm to the penis and glands that add secretions to the sperm to make semen (see diagram 13.2). (wikibooks.org)
  • This is the reason why the testes are located in a bag of skin called the scrotal sacs (or scrotum ) that hangs below the body and where the evaporation of secretions from special glands can further reduce the temperature. (wikibooks.org)
  • 1 Prostate-specific antigen is a protein produced by the cells of the prostate gland, including both cancerous cells as well as cells that are benign. (lifeextension.com)
  • 1 Since very little PSA escapes into the bloodstream from a healthy prostate, an elevated PSA level in the blood indicates an abnormal condition of the prostate gland-which can be either benign or malignant. (lifeextension.com)
  • 1. ESTROGEN or Estradiol is produced primarily by the follicles and corpus luteum (remnant egg sac) in the ovaries. (nairaland.com)
  • Progesterone is produced by the corpus luteum in the ovaries and by the adrenal glands. (nairaland.com)
  • Once the egg is released a secondary reaction happens, the group of hormone producing follicle cells inside the ovary become the corpus luteum which then produces estrogen and progesterone causing the endometrium to mature in order to support an implanted embryo. (conceivingconcepts.com)
  • In addition, antidiuretic hormone (ADH) produced in the hypothalamus acts synergistically with CRH to promote ACTH release. (medscape.com)
  • When transplanted into hypopituitary mice, the 3D-pituitaries engrafted, improved ACTH levels, and responded to in vivo stimuli. (bvsalud.org)
  • The medical term for the pituitary is the hypophysis. (wise-geek.com)
  • When they are born they are fed on milk excreted from the mammary glands and protected by their parents until they become independent. (wikibooks.org)
  • a hormone secreted by the pineal gland during the hours of darkness. (absp.org.uk)
  • Measurements of DHEAS provides information about the adrenal gland function and can help with the diagnosis of congenital adrenal hyperplasia and polycystic ovary syndrome. (cdc.gov)
  • These glands also send feedback signals to the posterior pituitary that adjust hormone releases relative to the body's needs. (wise-geek.com)
  • Regulation of the development of the mammalian anterior pituitary gland by transcription factors. (medscape.com)
  • FSH, a glycoprotein polypeptide hormone, is produced by the anterior pituitary gland, and is widely considered to function in the regulation of sex hormone synthesis in the gonads. (nature.com)
  • Though the anterior and posterior pituitary organs work closely together for hormone regulation, they are essentially two different organs in physiology and function. (wise-geek.com)
  • The posterior pituitary forms from neurons in the evolving hypothalamus forming at the base of the human brain , while the anterior pituitary forms from skin tissue that originates in the roof of the mouth. (wise-geek.com)
  • The pituitary is controlled directly by neurons and axon messenger pathways from the hypothalamus. (wise-geek.com)
  • It stimulates the follicles of the ovaries to produce mature ova (eggs) and it promotes the outward signs of estrus (heat). (drugs.com)
  • The posterior pituitary consists of neural tissue that descends from the floor of the third ventricle. (medscape.com)
  • Dehydroepiandrosterone sulfate (DHEAS) is produced in the adrenal cortex. (cdc.gov)
  • any of the steroid hormones produced in the adrenal cortex. (absp.org.uk)
  • Mutations in these genes are causes of congenital hypopituitarism and have specific pituitary hormone deficiencies associated with the involved gene. (medscape.com)
  • Additionally, because it was shown that cannabinoids have modulatory effects in the pituitary, it may be possible to treat certain forms of hypopituitarism using cannabis. (medicalmarijuana411.com)
  • Pituitary organoids are promising graft sources for transplantation in treatment of hypopituitarism. (bvsalud.org)
  • The pituitary gland, located at the base of the brain, is composed of anterior (ie, adenohypophysis) and posterior (ie, neurohypophysis) regions. (medscape.com)
  • A negative feedback loop occurs such that the hormones produced in the target glands feed back to inhibit the release of their respective regulatory pituitary and hypothalamic factors. (medscape.com)
  • The hypothalamic-pituitary-adrenal (HPA) axis. (endotext.org)
  • First some background: Most of the major hormones found in the body are regulated by and released from what is known as the hypothalamic-pituitary axis, involving two distinct but connected areas of the brain, the hypothalamus and pituitary gland. (medicalmarijuana411.com)
  • Usually, for a better and rapid evaluation of hypothalamic-pituitary-gonadal axis, both FSH and LH are evaluated together in the same sample and in the same time and most of the modern assays are using cocktails of antibodies for both FSH and LH, allowing their concurrent evaluation. (medscape.com)
  • Building on development of self-organizing culture to generate pituitary-hypothalamic organoids (PHOs) using human pluripotent stem cells (hPSCs), we established techniques to generate PHOs using feeder-free hPSCs and to purify pituitary cells. (bvsalud.org)
  • The cells of the anterior are clearly endocrine cells, and the cells of the posterior are clearly neural cells. (wise-geek.com)
  • For example, an endocrine tissue may produce less of its hormone than it did at a younger age, or it may produce the same amount at a slower rate. (medlineplus.gov)
  • a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue. (absp.org.uk)
  • This method of generating purified pituitary tissue opens new avenues of research for pituitary regenerative medicine. (bvsalud.org)
  • The anterior pituitary, an ectodermal structure that derives from the pharynx as the Rathke pouch, produces most of the gland's hormones. (medscape.com)