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Pituitary, anterior

In view of the importance of anterior pituitary control of thyroid, ovarian, testicular, and adrenal function, it is apparent that the decrease in activity which has been demonstrated in the case of these glands must be due in part to a lack of pituitary stimulus. It is, in fact, possible that this is the principal factor involved, though the subsidiary glands must themselves suffer from lack of nutrient material and this suffering must express itself in dysfunction (G6mez-Mont, 1952). [Pg.123]

The sum total of endocrine disturbances which we have described constitute a clinical picture which is very similar to that observed in panhypopituitarism due to organic disease of this gland. In this respect it is interesting to point out that the similarity has been so apparent that many textbooks and articles include a paragraph in which norms are given for the differential diagnosis between organic lesions of the pituitary and malnutrition (Escamilla and Lisser, 1942 Perkins and Rynearson, 1952). [Pg.123]

As in the other glands, these findings in younger individuals consist of changes of the type that are present in senility. They represent a state of relative involution consistent with a decrease in functional activity. [Pg.123]

The diminished excretion of pituitary gonadotropins which was observed in our patients was mentioned previously in connection with the disturbances of ovarian and testicular function. In Table VIII a summary [Pg.124]

Influence of Different Factors on the Lowering of Pituitart Gonadotropin [Pg.124]


Anterior pituitary hormones, Anterior pituitary-like hormones. Posterior pituitary hormones. Human growth hormone. [Pg.168]

In the anterior pituitary gland (see Hormones, anteriorpituitaryhormones), both adrenocorticotropic hormones (ACTH) and the endogenous opiate hormone, P-endorphin, are synthesized from a common prohormone (2) (see Opioids,endogenous). In the adrenal medulla, five to seven copies of another opiate hormone, methionine—enkephalin (Met-enkephalin), and one copy of leucine—enkephalin (Leu-enkephalin) are synthesized from each precursor molecule (3). [Pg.171]

Control of secretion of anterior pituitary hormones also includes inhibition by hormones produced by target organs. For example, CRH stimulates the anterior pituitary to secrete ACTH, which in turn stimulates the adrenal cortex to secrete corticosteroids. Corticosteroids then feed back to inhibit the secretion of ACTH. Feedback mechanisms are important for the control of most hormones. For example, insulin (qv) secretion from the pancreas increases in response to increased blood glucose resulting from ingestion of a meal. Insulin increases tissue uptake and metaboHsm of glucose, which lowers blood glucose and in turn reduces insulin secretion. [Pg.171]

CeUs synthesize and secrete multiple hormones. Eor example, some ceUs in the anterior pituitary have the capacity to secrete both polypeptide hormones, ESH and LH. CeUs also can secrete different chemical classes of hormone, eg, ceUs in the adrenal meduUa synthesize and secrete the... [Pg.171]

Table 1. Hormones of the Anterior Pituitary and Their Functions... Table 1. Hormones of the Anterior Pituitary and Their Functions...
In humans, the hypothalamic-derived protein and the hormone noncovalent complexes are packaged in neurosecretory granules, then migrate along axons at a rate of 1 4 mm/h until they reach the posterior pituitary where they are stored prior to release into the bloodstream by exocytosis (67). Considerable evidence suggests that posterior pituitary hormones function as neurotransmitters (68) vasopressin acts on the anterior pituitary to release adrenocorticotropic hormone [9002-60-2] (ACTH) (69) as well as on traditional target tissues such as kidneys. Both hormones promote other important central nervous system (CNS) effects (9,70). [Pg.191]

During the isolation of inhibin from foUicular fluid, some chromatographic fractions stimulated FSH release from cultured anterior pituitary cells, suggesting the existence of FSH releasing proteins (FRPs). Two FRPs, given the generic term activins, were subsequentiy isolated (131,132). One is composed of two disulfide-finked P-A subunits (activin A) the other consists of similarly finked P-A and P-B subunits (activin AB). [Pg.123]

Pregnenolone is transported from the mitochondria to the ER, where a hydroxyl oxidation and migration of the double bond yield progesterone. Pregnenolone synthesis in the adrenal cortex is activated by adrenocorticotropic hormone (ACTH), a peptide of 39 amino acid residues secreted by the anterior pituitary gland. [Pg.848]


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ANTERIOR PITUITARY-LIKE HORMONES

Androgens anterior pituitary

Anterior

Anterior pituitary adenomas

Anterior pituitary corticotrope cells

Anterior pituitary dopamine receptor

Anterior pituitary extract

Anterior pituitary gland hormones

Anterior pituitary gland hormones, blood

Anterior pituitary gland regulation

Anterior pituitary gonadotropin

Anterior pituitary hormone

Anterior pituitary hormone analogs

Anterior pituitary hormones actions

Anterior pituitary hormones, role

Anterior pituitary humans

Anterior pituitary nucleotides

Anterior pituitary peptide hormones

Anterior pituitary receptor

Anterior pituitary somatotrope cell

Anterior pituitary studies

Anterior pituitary, effect

GH Release from Anterior Pituitary Cells

Gonadotropin Release from Anterior Pituitary Cells

Hormone, adrenal cortex anterior pituitary

Hormones of the Anterior Pituitary

Neural Regulation of Anterior Pituitary Function

Nitric anterior pituitary

Peptide Hormones of the Anterior Pituitary

Pituitary

Pituitary gland Anterior lobe

Pituitary gland anterior

Pituitary, anterior ascorbic acid

Porcine anterior pituitary

Synergism between the Anterior Pituitary Lobe and Chorionic Gonadotropin

TSH Release from Anterior Pituitary Cells

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