Endocrine Flashcards

1
Q

Chemical messengers released into blood or lymph

A

Hormone

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2
Q

This happens when the hormone reaches their target

A

Sequence of events that makes the target cell carry out a particular function

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3
Q

2 common characteristics among endocrine organs

A

Ductless (have to dump directly into blood or lymph)

Highly vascularized

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4
Q

Major endocrine glands

A

Hypothalamus, pituitary, thyroid, parathyroids, adrenals, pineal, thymus, pancreas, gonads

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5
Q

Organ also in nervous system

A

Hypothalamus

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6
Q

Organ also in lymphatic/immune system

A

Thymus

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7
Q

Organ also in digestive system

A

Pancreas
Stomach
Liver
Small intestine

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8
Q

Organs also in reproductive system

A

Gonads (ovaries/testes)

Placenta

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9
Q

Organ also in excretory/urinary system

A

Kidneys

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10
Q

Organ also in cardiovascular system

A

Heart

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11
Q

What tissue also involved

A

Adipose

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12
Q

Production of ADH, oxytocin, regulatory hormones

A

Hypothalamus

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13
Q

ACTH, TSH,GH PRL FSH LH MSH

Other lobe release of oxytocin and ADH

A

Pituitary gland

Anterior then posterior

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14
Q

Thyroxine (T4) triiodothyronine (T3) calcitonin

A

Thyroid

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15
Q

Thymosins

A

Thymus

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16
Q

Epinephrine norepinephrine

A

Adrenal medulla of adrenal

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17
Q

Cortisol coritosterone aldosterone androgens

A

Adrenal cortex of adrenal

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18
Q

Melatonin

A

Pineal

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19
Q

Parathyroid hormone

A

Parathyroid

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20
Q

Natriuretic peptides:

ANP BNP

A

Heart

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21
Q

Erythropoietin EPO

Calcitriol

A

Kidney

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22
Q

Leptin

Resistin

A

Adipose tissue

23
Q

Numerous hormones

A

Digestive tract

24
Q

Insulin glucagon

A

Pancreatic islets

25
Testes: androgens (testosterone) inhibin Ovaries: estrogens progestins inhibin
Gonads
26
Cells that respond to specific hormones
Target cells
27
Hormone aka
Chemical messenger
28
Small molecules derived from amino acids that have different side groups than the amino acid compromising proteins
Amino acid hormones
29
Hormone made by tryptophan that regulates sleep-wake cycles | Aka pineal hormone
Melatonin
30
Subdivisions of amino acid hormones
Tryptophan and amino acid tyrosine
31
Catecholamines epinephrine norepinephrine and dopamine (neurotransmitters but also can be hormones)
Tyrosine
32
This makes people sleepy when you eat turkey or drink warm milk before going sleeping for better sleep
Tryptophan
33
Small chains of amino acids or small proteins that usually bear carbohydrate residues making then __
Peptide hormones | Glycoproteins
34
Erythropoietin (kidneys) and inhibin (reprod.
Glycoproteins
35
Membrane lipid, prostaglandin in this group of lipid derivatives
Arachnoid acid
36
Derived from cholesterol | Ex sex hormones calcitriol corticosteroids (cortisol and aldosterone)
Steroid hormones
37
Active vitamin D3 | It's from
Calcitriol | Kidneys
38
Cortisol and aldosterone are from
Adrenal gland
39
Why do hormone do to their targets?
Regulate movement of substances in and out of cells
40
Are amino acid derivatives, peptides, and small proteins so liable in lipid bilayer of plasma membrane
No
41
Series of intracellular molecules activated by hormone receptor bindings, act as second messengers
cAMP
42
Release of calcium ions
cAMP | Cyclic AMP
43
Hormone receptor binding leads to the activation of a membrane lipid enzyme which results in the formation of
Protein kinase C
44
This alters activity of specific enzymes and channels or it binds to the intracellular regulatory proteins (calmodulin)
Calcium
45
After calcium bonds to calmodulin, what happens
Emzes activate that amplify the cellular response
46
Posterior of pituitary gland
Neurohypophysis
47
Neurohypophysis releases 2 hormones
ADH and oxytocin OT
48
Regulates urine volume and blood pressure
ADH
49
Labor, milk let down reflex, uterine contractions,
Oxytocin
50
Deficiency of ADH causes
Diabetes inspidus (overflow + tasteless)
51
Swellings that are expanded acon endings of hypothalamic neurons coming from either the supra optic nucleus or para ventricular and has granules of ADH and OT
Herring bodies
52
Narrow bridge of tissue connecting lobes of thyroid gland
Isthmus
53
Cells that respond to elevated levels of calcium in the plasma by releasing calcitonin
C cells