Endocrine Flashcards

1
Q

exocrine signaling

A

short distance signaling

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2
Q

paracrine signaling

A

nearby cell communication (para is greek for side by side)(adjacent)

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3
Q

juxtacrine signaling

A

cells DIRECTLY in contact with one another

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4
Q

autocrine signaling

A

cell signaling to itself (auto is greek for self)

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5
Q

all nerve cells use…

A

paracrine signaling

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6
Q

Steroids pass through phosphorus bilayer…

A

easily

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7
Q

peptide hormones pass through phosphorus bilayer…

A

not easily

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8
Q

peptides are…

A

fast acting, short living (not long term)

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9
Q

Why are proteins short lived?

A

Degrades quick in cytoplasm

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10
Q

oxytocin

A

positive feedback mechanism (+ feedback are hard to control) (uterine contraction)

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11
Q

Peptide nemonic

A

INsane (most that end or start with -in in- are peptide hormones) (ADH is exception)

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12
Q

steroids take longer because

A

they go through the cellular membrane and also into the nucleus

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13
Q

which steroids can be permanent?

A

estrogen, testosterone

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14
Q

aldosterone

A

nephron regulator (raises blood pressure by messing with salt concentration)

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15
Q

steroids need…

A

carrier proteins, such as albumin

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16
Q

Steroids usually end in….

A

-one -ol -oid

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17
Q

Amino-acid derivatives end with?

A

-ine (amINE o acids)

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18
Q

aromatic rings mean?

A

non-polar

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19
Q

Aldosterone uses a ___ feedback loop

20
Q

oxytocin is stopped by…..

A

birth (oxytocin is a positive feedback loop, which controls uterine contractions)

21
Q

positive feedback

A

final product stimulates formation of new product

22
Q

ADH also known as…

A

Vasopressin (made by hypothalamus) (released by posterior pituitary)

23
Q

Aldosterone is made in….

A

the adrenal glands (above the kidney)

24
Q

ADH

A

always drilling holes (regulates blood osmolarity)

25
aldosterone does...
(low blood pressure or blood volume)
26
Good chart (take a look)
27
biggest glucose regulators in the body?
glucagon and insulin (both come from the pancreas)
28
Pancreas release nmemonic
Alpha glucagon Beta insulin Delta somatostatin Both are alphabetical
29
What does insulin do?
Takes sugar out of the blood (burn up glucose or store for energy; as glycogen)
30
What does glucagon do?
When body does not have enough sugar, breaks down glycogen, which increases blood sugar
31
Cortisol released by?
Adrenal Cortex
32
epinephrine
sympathetic nervous system (adrenaline; comes from adrenals)
33
thyroxine
produced in thyroid; controls metabolism
34
calcitonin? What does it do?
reduces calcium in the blood (TONES it down)
35
Bones are made of?
Calcium and Phosphate
36
PTH (parathyroid hormone) does what?
Increases calcium
37
Vitamin D helps in the uptake in....
Calcium and Phosphate
38
osteoclasts
break down bone (osteokills)
39
osteoblasts
build bone (osteobuilds)
40
FLAT PEG
FSH LH ACTH TSH (Tropic Hormones) Prolactin Endoprhins GH (Direct Hormones)
41
Insulin is released by the...
pancreas
42
Pineal Gland
Melatonin (sleepy)
43
GnRH
Gonad Hormone from hypothalamus. Controls sexual development.
44
Estrogen ESTablished the....
uterine wall
45
Progesterone
Protects the uterine wall
46
Menstrual Cycle chart...take a look
47