Endocrine System Flashcards

0
Q

Target Organ

A

Any cell with 1 or more receptors for a particular hormone

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1
Q

Hormone

A

Regulating substance secreted by an endocrine gland

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2
Q

Steroid hormones are synthesized from

A

Cholesterol

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3
Q

Nervous system

A

Fast response
Short lived
Electrical messengers
Skeletal muscles primarily effected

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4
Q

Endocrine System

A

Slow response
Effects last longer
Chemical messengers
Affects everything via glands

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5
Q

Nervous system and endocrine system similarities

A

Both regulatory systems to keep homeostasis.

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6
Q

Endocrine

A

Ductless
Direct to blood stream
Hormones

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7
Q

Exocrine

A

Outside body
Ducts to membrane/epithelial surface
No hormonal

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8
Q

Mixed gland

A

Pancreas
Endocrine - insulin to blood stream
Exocrine - digestive enzymes

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9
Q

Pituitary gland aka

A

Hypophysis Cerebi

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10
Q

Anterior Pituatary

A

Adrenohyphosis - secretes most hormones

TSH
ACTH
FSH
LH
KSH
PL
GH
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11
Q

Posterior Pituitary

A

Neurohypohysis - - holding tank, secretes AD and oxytocin

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12
Q

Tropic Hormone

A

Causes another endocrine gland to secrete its hormone

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13
Q

Breast feeding Hormones

A

Prolactin - milk production

Oxytocin - milk let down

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14
Q

Diabetes Insipidus

A

Deficiency ADH

Excessive thirst and excessive urination

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15
Q

Parathormone Calcitonine

A

Antagonists that control blood calcium levels

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16
Q

Ca2+ increase 20% _______ is released to keep calcium from coming from bones.

A

Calcitonine

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17
Q

Acromegaly

A

Hyper secretion GH after growth phase

Large hands, feet, protruding jaw

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18
Q

Cretinism

A

Hypo secretion thyroid hormones in childhood

Mental dysfunction small

19
Q

Gigantism

A

Hyper secretion GH during growing face

20
Q

Dwarfism

A

Hypo secretion GH during growth phase

21
Q

Graves’ disease

A

Aka hyperthyroidism skinny, bulging eyes, nervous

22
Q

Cushings

A

Hyper secretion cortisol and glucocortosids

23
Q

Diabetes Insipidus

A

Hypo secretion ADH

24
Diabetes Mellitus
Hypo secretion Insulin
25
Addison's Disease
Hypo secretion mineralcorocoids and glucocorticoids
26
Cells secrete insulin
Beta cells
27
2 parts of adrenal gland
Adrenal cortex, adrenal medulla
28
Mineralcorticoids
Regulate electrolytes (minerals) in body fluids
29
Melatonin
Stored in pineal gland, regulates sleep
30
Hormone secreted by placenta
HCGT
31
Anabolic Steroids
``` Mean Atrophy of testes, Ed, infertility Liver damage Heart disease Brain ```
32
Positive Feed back mechanism
Oxytocin--> labor contractions --> release more oxytocin --> stronger contractions --> birth
33
How does releasing hormone reach its destination
Hypophyseal portal system (connection between Pituitary and hypothalamus)
34
Decrease in serum calcium levels
Calcitonin
35
Increase in serum calcium levels
Parathormone
36
Increase in blood glucose
Insulin
37
Dehydration
ADH
38
Moon Face
Cushings
39
Child normal intelligence small
Dwarfism
40
Child abnormal intelligence small
Grave
41
Protruding eyes
Graves
42
Lump in throat
Goiter
43
Hormones of adrenal medulla act like
NT, sympathetic nervous system, fight or flight
44
Sodium potassium in blood regulated by
Mineralcortocoids