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ENR Biweekly 1 > Balczon- Principles of Endocrine Control > Flashcards

Balczon- Principles of Endocrine Control Flashcards

1
Q

integrates nervous and endocrine system

A

pituitary gland

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2
Q
A

hypophysis

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3
Q

arrows

A

top L: Pars Tuberalis
middle L: Pars Intermedia
bottom L: Pars Distalis
top R: infundibulum
bottom R: Pars Nervosa

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4
Q
A

Pars Distalis

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5
Q
A

Pars Distalis- Acidophils

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6
Q
A

Pars Distalis

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7
Q

what releases hormones rather than neurotransmitters in Pars Nervosa at end of axons

A

Herring Bodies

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8
Q

____ consists of unmyelinated axons

A

Pars Nervosa

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9
Q
A

Pars Nervosa

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10
Q

pituitary gland aka

A

Hypophysis

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11
Q

responses of endocrine system cells are dependent on what of cells

A

phenotype of cells

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12
Q

ligand retained w/in membrane of signaling cell

A

cell contact dependent communication

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13
Q

ligand released into blood and travels far

A

endocrine communication

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14
Q

____ type of paracrine signaling is targeted and ends on cell that will be activated

A

synaptic

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15
Q

____ type of paracrine signaling is self-signaling when ligand is released

A

autocrine

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16
Q

part of ovary that produces progesterone

A

corpus luteum

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17
Q

ductless glands

A

endocrine glands

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18
Q

step ladder into tubular cristae that does not contain secretory granules

A

mitochondria

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19
Q

contains secretory granules

A

golgi

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20
Q

well developed synthetic machinery
fenestrated capillaries
ductless

A

endocrine glands

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21
Q

cells of hypothalamus

A

neuroendocrine (axon that has release of hormones)

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22
Q

2 main parts of hypophysis (pituitary gland)

A

neurohypophysis (neural)
adenohypophysis (glandular)

23
Q

part of pituitary gland that forms from neural tube

A

neurohypophysis

24
Q

part of pituitary gland that forms from oral ectoderm and Reshke’s pouch

A

adenohypophysis

25
Q

2 main nuclei that send signals from hypothalamus to pars nervosa of pituitary gland

A

supraoptic nucleus
paraventricular nucleus

26
Q

3 parts of adenohypophysis

A

pars distalis
pars tuberalis
pars intermedia

27
Q

3 parts of neurohypophysis

A

infundibulum
median eminence
pars nervosa

28
Q

where is the hypothalamohypophyseal tract

A

infundibulum

29
Q

neurohypophysis is _____ pituitary

A

posterior

30
Q

adenohypophysis is ____ pituitary

A

anterior

31
Q

composed of lots of unmyelinated axons that arise from neuroendocrine cells in hypothalamus (paraventricular and supraoptic nuclei)

A

Pars Nervosa

32
Q

where do the axons of the 2 main nuclei from hypothalamus end and produce what

A

on capillaries and produce hormones

33
Q

this hormone causes contraction of myometrium of uteris and myoepithelial cells in mammary gland

A

oxytocin

34
Q

this hormone targets collecting duct in kidney and smooth muscle in blood vessel walls

A

ADH/vasopressin

35
Q

steps of breast feeding

A

suckle
sensory cortex in brain
hypothalamus (2 nuclei)
secrete oxytocin
enters circulatory system through fenestrated capillaries
goes to breast and causes milk discharge

36
Q

site where all the other neuroendocrine cells terminate (produce regulatory hormones)

A

median eminence

37
Q

cell types of pars distalis

A

chromophobes
chromophiles

38
Q

2 acidophils

A

mammatrophs
somatotrophs

39
Q

3 basophils

A

thyrotrophs
corticotrophs
gonadotrophs

40
Q

produces prolactin

A

mammatrophs

41
Q

produces somatotropin

A

somatotrophs

42
Q

produces TSH

A

thyrotrophs

43
Q

produces ACTH

A

corticotrophs

44
Q

produces FSH and LH

A

gonadotrophs

45
Q

stimulates follicle growth in ovary

A

FSH

46
Q

acts on sertoli cells and has ABP that binds testosterone and increases level of sperm production

A

FSH

47
Q

leads to follicle maturation and ovulation

A

LH

48
Q

acts on Leydig cell and causes production of testosterone

A

LH

49
Q

produces releasing and inhibiting factors

A

median eminence

50
Q

prolactin inhibitory factor

A

dopamine

51
Q

somatotropin inhibitory factor

A

somatostatin

52
Q

has same function as pars distalis

A

pars tuberalis

53
Q

non-functional in adults and is a development remnant of Reshke’s pouch

A

pars intermedia

54
Q

when you are cold, how does your body heat up by endocrine system

A

TSH released by pars distalis and acts on thyroid; T3 and T4 released and increase metabolic rate (increase heat production)

ENR Biweekly 1 (11 decks)

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