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cell bio test 3 > exocrine glands > Flashcards

exocrine glands Flashcards

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1
Q

what are the two catagories of glands

A

exocrine and endocrin

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2
Q

what type of tissue are exocrina nd endocrine glands derived from

A

epithithelial tissue

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3
Q

what do endocrine cells secrete

A

hormones

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4
Q

how do exocrine glands convey their secretions

A

through epithelial lined ducts

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5
Q

what can happened to the secretions of exocrine glands as it travels thorugh the ducts

A

it can become modified

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6
Q

what do adenomas and adenocarcinomas develop from

A

glands

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7
Q

what are the classification of exocrine glands

A

type of secretion, mode of secretion and cell numbers.

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8
Q

what are the types of secretion

A

seous mucus mixed or sebaceous

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9
Q

whar are the modes of secretion

A

merocrine apocrin and holocrin

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10
Q

what are the cell numbers

A

unicellular or multicellular

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11
Q

where is the nucleus of mucas cells

A

near the basal domain

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12
Q

whata are some examples of mucus cells

A

goblet cells mucous cells of the stomach clear staining

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13
Q

what do mucos cells secrete

A

mucinogens lare glycosoalted protiens PAS Positive when hydrated form a protective layer called mucin

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14
Q

what do serous glands secrete

A

watery secetions enriched with exymes

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15
Q

what are some examples of serous glands

A

parotid and exocrine pancreas acidophilic cells

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16
Q

what are some exmaples of mixed glands

A

submadibular and sublingual glands

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17
Q

what do mixed glands secrete

A

mixture of mucus and serous fluids very clear staining but nucleaus is in the center of the cell.

18
Q

what do sabaceous glands secrete

A

a waxy oily substance called sebum ance vulgaris

19
Q

what is the diffence between a sabvacous cell and and a mucus cells slide

A

mucus and sabacous are bot clear in the staining but mucus has nucleus near basal lamina and sabacous is dead center.

20
Q

what happends to sabacous cells at puberty

A

before then they can be inactive but after puberty they are activated by hormones and we get acne vulgaris inflamatory response and collagen response causing scaring and gaint cells

21
Q

what happends during holocrine secretion

A

an entire cells is shed with its secretory products this happends in sabacouse cells

22
Q

what happends during apocrine secretion

A

secretory product is released along with apical plasmalemma this happends in mammary glands

23
Q

what happends during merocrine secretion

A

secretion via exocytosis no loss of plasmalemma or cytoplasm most common mode

24
Q

what mode do apocrin sweet glands utilize?

A

merocrin

25
Q

name an example or an unicellular type of exocrine cell

A

goblet cells mucous cells of the stomach clear staining

26
Q

what can multicellular cells form

A

sheets or they can form a duct and glands in various forms

27
Q

what is the differnce between ad simple vs compound multicellular gland

A

simple have a single duct wherease multicellualr are branched

28
Q

what is the diffence between a tubular and a acinus (alveolus) secretory unit

A

tubular are tube shaped and acinar or alveolar are grap shaped

29
Q

what are the types of simple ducts

A

simple tubular simple coiled tubular, simple tubular branched, simple acinar or aveolar.

30
Q

what surrounds a large multicellular gland

A

a collagenous capsule divided into lobes and then further dividing it into lobules.

31
Q

name some examples of compound glands

A

orla cavity, exocrine pancrease, and mamary glands.

32
Q

where are interculated ducts located and what lines them

A

inside of the lobule they are lined with simple cubodial epithelium

33
Q

what do interculated ducts drain into

A

interlobular ducts

34
Q

where are interlobular ducts located

A

inside of the connective tissue.

35
Q

what are intralobular ducts lined with

A

cubodial to columnar epithelium

36
Q

what is the diffence between striated and interlobular ducts

A

straited are rich in mitochondria and apical domain or the nucleus and more stained and are active in ion transport.

37
Q

where are intralobular ducts located.

A

in the lobule

38
Q

what are interlobular ducts lined with

A

psudostratified columnar epithelium

39
Q

what do myoepitheliual cells do (basket cells)

A

they contract to help squeeze the secretory product out.

40
Q

what is sjogen syndrom

A

auto immune attacks salivery and lacrimal glands invaded by t cell enlarged usually women between 50 and 60

41
Q

what type of cell is located only in the pancrease

A

centroacinar cells

42
Q

do you have straited cells in the pancrease

A

no

cell bio test 3 (3 decks)

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