Endocrine Flashcards

(73 cards)

1
Q

The type of hormone interaction of _____ is where more than one hormone produces the same effects at the target cell and their effects are amplified

A

Synergism

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2
Q

The release of parathyroid hormone in response to decreased blood calcium levels is a type of _______ stimulus.

A

Humoral

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3
Q

The hypothalamus has neural functions while also producing and releasing hormones, so it is referred to as ______ organ.

A

Neuroendocrine

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4
Q

Master of endocrine gland

A

Pituitary gland

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5
Q

Diabetes insipidus is characterized by the secretion of large amounts of dilute urine because of a deficiency in antidiuretic hormone. Antidiuretic hormone is secreted from the?

A

Posterior pituitary

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6
Q

Anterior pituitary produces 6 hormones, what are those?
Mnemonic?

A

GPA B-FLAT

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7
Q

Promotes growth in general, particularly the skeletal system

A

Growth hormone (GH)

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8
Q

Controls the secretion of adrenocortical hormones which in turn affect the metabolism of glucose, proteins, and fat.

A

Corticotropin (ACTH)

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9
Q

Promotes mammary gland development and milk production

A

Prolactin

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10
Q

Controls the secretion of thyroxine from the thyroid gland

A

TSH

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11
Q

Stimulates growth of graafian follicles in the ovary and promotes spermatogenesis in the male

A

FSH

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12
Q

Stimulates secretion of sex hormones by the ovary and testis

A

LH

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13
Q

__________, which makes up about 25% of the gland, serves as a storage area for:

A

Posterior pituitary

ADH
Oxytocin

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14
Q

ADH is also known as

A

Vasopressin

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15
Q

These hormones are produced from in th hypothalamus and transported in axons to the posterior lobe of the hypophysis for storage and secretion

A

ADH and Oxytocin

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16
Q

What could result if the parathyroid gland is excised?

A

Muscle convulsions

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17
Q

The most important regulator of calcium and phosphorus concentration in extracellular fluid. It finds major target cells in bone and kidney.

A

Parathyroid hormone

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18
Q

Produce parathyroid hormone, which acts to raise the concentration of calcium in the blood and reduce the concentration of phosphate ions

A

Chief cells

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19
Q

This gland lies at the back of the third ventricle of the brain. It produces the hormone melatonin (sleep hormones)

A

Pineal gland

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20
Q

Parotid gland is drained by:
(Accessory duct)

A

Stensen’s duct

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21
Q

The part of a developing salivary gland destined to become responsible for its functioning is called the:

A

Adenomere

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22
Q

The largest of the subunits and are separated by connective tissue septa

A

Lobes

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23
Q

Are secretory subunits of lobules. Consist of all of the secretory cells that release their products into a single intralobular duct.

A

Adenomeres

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24
Q

Composition of adenomere which synthesizes glycoproteins

A

Glandular cells

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25
Minor salivary gland that is found in the tongue. Associated with circumvallate papilla
Von Ebner’s glands
26
2 adrenal glands also called as _______ are flattened, somewhat triangular-shaped endocrine glands resting upon the superior poles bone of each kidney at the back the abdomen
Suprarenal glands
27
Adrenal cortex produces three main types of hormones:
Glucocorticoids Mineralocorticoids Sex steroids
28
They are produces and released under the control of ACTH , influences the metabolism of fat, protein, and carbohydrates, promoting breakdown of protein and the release of fat and sugars into the bloodstream
Glucocorticoids
29
Adrenal medulla produce and release:
80% of epinephrine ( adrenaline)and 20% norepinephrine (noradrenaline)
30
These hormones are released during emergency situations. “Fight or flight”
Epinephrine and norepinephrine by the adrenal medulla
31
Tropic hormones
FSH ACTH LH TSH
32
Secretory cells of the anterior pituitary are categorized into two groups, according to heir staining properties.
Acidophils (acidic stain) : secrete GH and prolactin Basophils (basic ) : secrete TSH, FSH, LH, ACTH
33
What anterior pituitary hormone controls the production and secretion of cortisol?
Adrenocorticotropic hormone (ACTH)
34
Secreted from the anterior pituitary in response to corticotropin releasing hormone (CRH) from the hypothalamus
ACTH
35
Excessive cortisol; moonface and buffalo hump appearance
Cushing’s Disease
36
Deficient cortisol; hyperpigmentation, adrenal crisis
Addison’s disease
37
FSH in females
Initiates ovarian follicle development and secretion of estrogens in the ovaries
38
FSH in males
Stimulates sperm production in the testes (spermatogenesis)
39
LH in males and females:
Females - stimulates the secretion of estrogen by ovarian cells to result in ovulation and stimulates formation of the corpus luteum and secretion of progesterone Males - stimulates the interstitial cells of leydig in the testes to secrete progesterone
40
Main excretory duct of the pancreas
Wirsung’s duct
41
The degeneration of the islets of Langerhans leads to
Diabetes mellitus
42
Islets of Langerhans - endocrine cells of pancreas
Endocrine portion
43
Pancreatic exocrine cells ; filled with secretory granules containing digestive enzymes ( pancreatic lipase, etc.) that are screted into the lumen of the acinus
Acinar cells of the exocrine portion
44
2 ducts that may be associated with the pancreas:
Main pancreatic duct ( Wirsung’s duct) Accessory pancreatic duct ( Santotini’s duct)
45
This ampulla discharges bile and pancreatic enzymes into ye descending portion. I d this duodenum
Hepatopancreatic duct ( Ampulla or Vater )
46
Begins at the tail and joins the common bile duct to form ampulla of Vater
Duct of Wirsung
47
A prominent feature of the superior mediastinum during infancy and childhood, in adulthood, it is usually replaced by adipose tissue.
Thymus
48
Its primary function is that of lymph organ; central control organ for the immune system.
Thymus
49
The most critical mineral involved in thymus gland
Zinc - involved virtually every aspect of immunity
50
Hormones produced by the thymus which stimulates the maturation of lymphocytes in other lymphatic organs.
Thymosin
51
Overproduction of TSH can lead to
GRAVE’S DISEASE
52
Secretes calcitonin that acts to reduceblood calcium, opposing the effects of parathyroid hormone (PTH).
Parafollicular / C cells
53
Tumor prior to adolescence, excessive GH delays ossification of epiphyseal cartilage (non fusion of epiphysis)
Pituitary gigantism
54
After adolescence, excess GH
Acromegaly
55
GH deficiency resulting in early replacement of epiphyseal cartilage by bone
Pituitary dwarfism
56
Excessive thyroid hormones will lead to?
Hyperthyroidism
57
Deficient thyroid hormones will lead to?
Hypothyroidism
58
Is the outer layer of the adrenal cortex responsible for making mineralocorticoids.
Zona Glomerulosa
59
Help tyr body regulate salt and fluid levels, and maintain normal blood circulation.
Mineralocorticoids
60
Is the most important mineralocorticoid made by adrenal glands.
Aldosterone
61
A layer of the adrenal Cortez x which produces glucocorticoids.
Zona faciculata
62
Regulates sugar levels, maintain normal blood pressure, and help you respond to stress and illness.
Glucocorticoids
63
Is the most important glucocorticoid
Cortisol
64
The most potent androgen
Testosterone
65
Responsible for producing androgens (make hormones)
Zona reticularis
66
What portal venous system is critical for proper endocrine function?
Hypophyseal
67
The _______ contains abundant axons whose cell bodies are located mainly in the supraoptic and paraventricular nuclei of the hypothalamus.
Neurohypophysis / posterior pituitary gland
68
They are associated with the mixed acini of the sublingual and submandibular glands as well as the glands of the esophagus and trachea.
Seroud demilunes
69
Are contractile cells that lie between the basement membrane and the plasma membrane of the secretory cells; possess manny actin-containing microfilaments, which squeeze on the secretory cells and move their products toward theexcretory ducts.
Myoepithelial cells
70
Are rumors that can affect vision, sometimes causing vision loss.
Pituitary adenomas
71
Consist of perforated areas on either side of the crista galli. Transmits olfactory nerve bundles.
Cribriform plate
72
Oxytocin and vasopressin are synthesized in the hypothalamus and are transported to the pituitary gland for storage by way of:
Unmyelinated nerve fibers
73
This system of blood vessels links the hypothalamus and the anterior pituitary; allows endocrine communication between the two structures.
Hypophyseal portal system