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NPB 130 M1 > Neuroendocrinology & the Hypothalamus-Neurohypophysis System (HNS) > Flashcards

Neuroendocrinology & the Hypothalamus-Neurohypophysis System (HNS) Flashcards

Connection between nervous system and hormone system & posterior pituitary gland

1
Q

Hypothalamus

A

ultimate homeostatic control
generates response and releases hormone

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2
Q

Neurosecretory cells

A

neurons that secrete molecules into the blood stream to act as hormones

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3
Q

Hypophyseal Portal system ( median eminence)

A

net of capillaries
tiny blood vessels that take neurons to anterior pituitary
- functional connection

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4
Q

Magnocellular

A

Larger cell body
Longer axon projections&raquo_space; extend to neurohypophysis (posterior lobe)

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5
Q

Parvocellular

A

Smaller cell body
Shorter axon projections&raquo_space; portal system
Hypophysiotropic hormones&raquo_space; anterior lobe

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6
Q

Vasopressin

A

AVP/ADH
and Oxytocin

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7
Q

Paraventricular Nucleus (PVN)

A

contains MC and PC

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8
Q

Supraoptic Nucleus (SON)

A

contains only MC

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9
Q

Anterior Pituitary cell types

A

Somatotrophs : GH
Lactotrophs: PSL
Thyrotropes: TSH
Gonadotrophs: FSH/LH
Corticotropes: ACTH in response to CRH

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NPB 130 M1 (6 decks)

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