Hypophysis Flashcards

1
Q

Adenohypophysis

A

The frontal, glandular portion of the hypophysis (anterior pituitary) that produces trophormones.

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2
Q

Gonadotropins

A

Hormones that regulate reproductive function and production of sexual hormones (e.g. FSH, LH-ICSH, prolactin).

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3
Q

Hypophysiotropic area

A

Parvocellular region of the hypothalamus that regulates the function of the adenohypophysis; releasing and inhibiting factors (hormones) are produced here.

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4
Q

Inhibiting hormones and factors

A

Hormones produced by the parvocellular (small cell) region of the hypothalamus that regulate adenohypophysis functions.

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5
Q

Releasing hormones and factors

A

Hormones or hormone-like compounds produced by the parvocellular region of the hypothalamus (hypophysiotropic area) that facilitate adenohypophysis (anterior pituitary) hormone production and release.

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6
Q

Neurohemal-organ

A

Organs of neuronal origin in that store hormones (usually secreted by other neurons) e.g. neurohypophysis.

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7
Q

Neurohypophysis

A

Posterior lobe of the pituitary gland (hypophysis) that stores hormones secreted by hypothalamic neurons (a neurohemal organ).

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8
Q

Trop hormones

A

Pituitary (adenohypophysis) hormones that stimulate production and release of other hormones from other glands (e.g. TSH, ACTH, FSH).

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9
Q

Portal circulation

A

Capillaries in one organ are collected into veins, enter the other organ through a port and form a second capillary bed to release substances carried from the first organ (e.g. hypothalamus- hypophysis).

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