Hypothalamus & Pituitary Gland Flashcards

1
Q

The pituitary gland is composed of an epithelial component, ______, and a neural component, ______

A

Adenohypophysis, neurohypophysis

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2
Q

The posterior pituitary (neurohypophysis) is a collection of nerve axons whose cell bodies are located in the _____

A

Hypothalamus

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3
Q

The two areas in the hypothalamus that house cell bodies whose axons project to the posterior pituitary are called:

A
  1. Paraventricular nucleus

2. Supraoptic nucleus

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4
Q

Two hormones released by the posterior pituitary are:

A
  1. Antidiuretic hormone (ADH)

2. Oxytocin

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5
Q

The primary blood supply to the neurohypophysis is:

A

Inferior hypophyseal artery

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6
Q

Growth hormone, prolactin, follicle-stimulating hormone, luteinizing hormone, adrenocorticotropic hormone, and thyroid-stimulating hormone are all released from where?

A

Anterior pituitary (adenohypophysis)

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7
Q

The cell type of growth hormone is

A

Somatotrophs

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8
Q

The cell type of FSH and LH is

A

Gonadotrophs

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9
Q

Together, Growth Hormone and ____ promote growth and influence regulation of metabolism

A

Insulin-like Growth Factor-1 (IGF-1)

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10
Q

Somatomedin definition

A

A hormone that acts as an intermediate in the stimulation of tissue growth by GH (Ex: IGF-1)

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11
Q

Somatostatin ____ (stimulates/inhibits) GH production

A

Inhibits

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12
Q

____ is a peptide produced mainly in the stomach, but also synthesized in the hypothalamus, that increases GH release and food intake

A

Ghrelin

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