Chemical coordination Flashcards

(64 cards)

1
Q

Describe hormone

A

Non nutrient intracellular messengers in trace amounts

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2
Q

First hormone ____ by

A

Secretin; starling and bayliss

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3
Q

Father of endocrinology

A

Thomas Addison

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4
Q

Ectodermal glands

A

Hypo, pituitary, pineal and adrenal medulla

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5
Q

Pituitary gland is called

A

Master gland

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6
Q

Pituitary located in

A

Sella tursica

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7
Q

Adenohypophysis is ____ pituitary and releases ____

A

Anterior; GH, TSH, ACTH, FSH, LH, MSH, PRL

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8
Q

Pars distalis releases ____ and Pars intermedia releases ____

A

GH ACTH TSH LH FSH; MSH AND PRL

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9
Q

Neurohypophyses release

A

Oxytocin and vasopressin (ADH)

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10
Q

Overstimulation of growth hormone in baby and in adult

A

Gigantism; Acromegaly

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11
Q

Under stimulation of Growth Hormone

A

Dwarfism

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12
Q

Vasopressin also called

A

Anti diuretic hormone

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13
Q

Diabetes insipidus caused by

A

Hyposecretion of ADH

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14
Q

Pituitary and hypothalamus connected by

A

Stalk infundibulum

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15
Q

Adeno and hypo by

A

Hypophyseal portal system

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16
Q

Neuro and hypo by

A

Neural connections

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17
Q

Hypothalamus called

A

Supreme Commander

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18
Q

Hypothalamus stores hormones in

A

Hypothalamic nuclei

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19
Q

Neurohypophyses hormones are

A

Produced by hypothalamus and stored in neuro

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20
Q

Pineal located in

A

Dorsal forebrain

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21
Q

Pineal secretes

A

Melatonin

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22
Q

Biological clock of body

A

Pineal

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23
Q

Melatonin function

A

24 hour diurnal, pigmentation, menstruation, immunity, antioxidant

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24
Q

Biggest gland

A

Thyroid

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25
Gland able to store hormone in large amounts
Thyroid
26
Two types of cells in thyroid
Follicular (T3 T4) and stromal (Thyrocalcitonin)
27
Thyroxin is
T4
28
TCT functions
Hypocalcemic, bone deposition, Ca2+ secretion
29
Thyroxine function
Menstrual cycle, Mental growth, BMR, RBC formation
30
Hypothyroidism in adult
Myxoedema
31
Hypothyroidism in baby
Cretinism
32
Low iodine diet cause
Goitre simple
33
Hashimoto disease
Autoimmune disorder of thyroid
34
Hyperthyroidism
Exothalmic goitre (Graves)
35
Parathyroid
4 lobes on thyroid
36
Parathermone function
Hypercalcemic, bone resorption, Ca2+ absorption
37
Thymus location
Heart, ventral to aorta
38
Thymosin function
T lymphocyte production and maturation
39
Gland which degenerates with age
Thymus
40
Adrenal cortex layers
Zona glomerulosa, fasiculata, reticularis
41
Mineralocorticoids released by
Aldosterone, zona glomerulosa
42
Aldosterone function
Reabsorption of water and Na2+, electrolytes balance
43
Glucocorticoids released by
Cortisol, zona fasiculata
44
Cortisol function
glycogenolysis, Gluconeogenesis (hyperglycemic) proteo/lipolysis, anti inflammatory response, RBC production, inhibits cellular uptake of Amino acids
45
Sex corticosteroid released by
Zona reticularis
46
Addisons disease caused by
Low corticosteroids
47
Cushings disease by
Low cortisol
48
aldosteronism caused by
Conns, low aldosterone
49
Adrenal medulla release
Adrenaline, Noradrenaline
50
Adrenaline function
Increase heart rate, stress hormone, glucose increase
51
Exocrine pancreas
Pancreatitis acini (98%) HCO3-
52
Endocrine pancreas
Islets of langerhans
53
Alpha cells release
Glucagon
54
Beta cells release
Insulin
55
Gamma cells release
Somatostatin
56
Glucagon function
Hyperglycemic, glycogenolysis, gluconeogenesis, proteolipolysis, inhibit cellular uptake of Aa
57
Insulin function
Hypoglycemic, glycogenesis, stimulate uptake
58
Diabetes mellitus caused by
Low insulin, glycosuria, ketonuria
58
Testosterone and metabolism
Anabolic effect of carb and protein
59
Pregnancy hormone
Progesterone
60
Gastrin function
Gastric gland to release pepsin and HCl
61
Secretin function
Pancreas to secrete HCO3-
62
Gastric inhibitory peptide
63