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CEP > Week 5 > Flashcards

Week 5 Flashcards

1
Q

what is the optic chiasm

A

Where the optic nerves cross over
Immediately inferior to hypothalamus superior to pituitary

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2
Q

What is FSH and LH for

A

Oestrogen and testosterone secretion

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3
Q

Function of GH

A

Nutrient metabolism and tissue growth

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4
Q

Function of TSH

A

T3 and T4 secretion

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5
Q

Function of prolactin

A

Breast development and milk production

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6
Q

ACTH (adrenocorticotropic hormone) function

A

Cortisol secretion

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7
Q

Major cell types in anterior pituitary

A

Acidophils= somatotrophs and lactotrophs/mammotroph
Basophils= corticotrophs, gonadotrophs, thyrothrophs

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8
Q

Major products of somatotrophs

A

Growth hormone GH/ somatotropin

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9
Q

Major products of lactotrophs/ mammotrophs

A

Prolactin

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10
Q

Major products of corticotrophs

A

ACTH
Corticotrophs are the cells in the anterior pituitary that release ACTH

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11
Q

Major products of gonadotrophs

A

FSH and LH
Interstitial cell stimulating hormone ICSH

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12
Q

Major products of thyrotrophs

A

TSH
Thyrotrophs found in anterior pituitary

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13
Q

What is the pars intermedia

A

The boundary between anterior and posterior lobes of the pituitary
Contains corticotroph like cells and secretes alpha-melanocyte stimulating hormone alpha-MSH

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14
Q

Major cell types of the posterior pituitary

A

Neurones with Herring bodies
Pituicytes (glial cells)

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15
Q

Major products released by cells in posterior pituitary

A

Oxytocin
Vasopressin (ADH)

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16
Q

Function of oxytocin

A

Stimulates contraction of mammary gland, myoepithelial cells and uterine smooth muscle

17
Q

Function of ADH

A

Increases water permeability of renal collecting ducts

18
Q

The neuroendocrine system

A

Made up of nerves and gland cells. It makes hormones and releases them into blood stream
Neuroendocrine cells receive neuronal input through neurotransmitters and release messenger molecules (hormones) into blood

19
Q

Ectopic glands

A

No gland in normal place
Gland in unexpected place
Very unusual

20
Q

Heterotopic gland

A

Most gland in normal expected location
Additional glandular tissue in route followed during embryology
More often

CEP (10 decks)

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