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Cell Biology Exam 3 > Exocrine Glands > Flashcards

Exocrine Glands Flashcards

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1
Q

Where are exocrine and endocrine glands derived from

A

epithelium

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2
Q

Secretory Exocrine gland

A

secretes product via exocytosis into duct. Comprised of different cell types that modify secretory product. Example is stomach

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3
Q

Endocrine exocrine grand

A

beings development similarly to exocrine, but loses connection with epithelium. Capillaries surround newly developed endocrine cells. Hormones from cells readily secreted through vasculature

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4
Q

Adenoma

A

benign. Lighter in color

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5
Q

Adencarcinoma

A

malignant. have lumen, darkly stained, smaller cells

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6
Q

What are the different types of secretion

A

serous, mucus, mixed, sebaceous

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7
Q

What are the different modes of secretion?

A

merocine, apocrine, holocrine

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8
Q

Mucinogens

A

large, glycosylated proteins when hydrated form a thick, protective fluid called mucin

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9
Q

mucin

A

main component of mucus

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10
Q

How to tell if it’s a mucus cell

A

clear areas where mucinogens are. light staining cytoplasm. columnar cells. nuclei pushed to basal side of cell

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11
Q

Goblet cells

A

form mucus. PAS +, look bright magenta

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12
Q

Serous cells

A

watery secretion enriched with enzymes. Ex) parotid and exocrine pancreas

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13
Q

How to tell if it’s a serous cell

A

acidophilic cytoplasm, spherical nucleus at the basal domain of cells. Darker specs in apical region of cell which are secretory product before it’s exocytosed into lumen

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14
Q

Sebaceous secretion

A

starts during puberty. All hair follicles have these.

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15
Q

How to tell if it’s a sebaceous cell

A

clear cytoplasm, centrally located spherical nucleus

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16
Q

Acne vulgaris

A

hair shaft has penetrated hair follicle, which results in an inflammatory and fibrotic response. Often has inflammatory cells, giant cells, and fibrosis

17
Q

Holocrine secretion

A

the entire cell disintegrates. Ex) sebaceous gland

18
Q

Merocrine secretion

A

most common. No loss of the secreting cell

19
Q

Apocrine secretion

A

lose part of the apex domain. Ex) mammary gland

20
Q

Unicellular gland

A

one cell secreting stuff. Ex) goblet cells

21
Q

Multicellular sheet

A

a bunch of cells secreting stuff Ex) lining of stomach

22
Q

Simple tubular without duct cell

A

all cells lining tube of secretory

23
Q

Simple tubular with duct

A

has secretory cells and duct cells

24
Q

Simple branched tubular cells

A

common duct system with branched tubular secretory portions

25
Q

Simple coiled tubular cells

A

duct system with coiled tube

26
Q

Simple acinar or alveolar

A

secretory units are acinar (grape like)

27
Q

Branched tubular

A

branched duct and tubular secretory units

28
Q

branched acinar/alveolar

A

branched ducts and acinar secretory units

29
Q

branched tubulo-acinar

A

branched ducts and mix of tubular and acinar secretory units

30
Q

Difference between simple and compound

A 
simple = single duct
Compound = ducts are branched
31
Q

Interalobular ducts

A

ducts within lobules of secretory gland

32
Q

Intercalated duct

A

smaller. Lined with flattened cuboidal cells

33
Q

Striated duct

A

larger. palisade arrangement of michondria in basal area forming acidophilic striations. nucleus at apical domain

34
Q

Interlobular ducts

A

ducts between lobules (in CT)

35
Q

Serous demilune

A

serous cells form crest-shaped cap over mucous cells. In an artifact of fixation

36
Q

Djorgren syndrome

A

females btwn ages of 50-60
dry eyes and mouth because of decreased salivary and lacrimal secretions because they are infiltrated by T-cells, causing cells to become fibrotic. Parotid gland enlarged. Autoimmune

37
Q

What is the main difference between pancreus and parotid gland

A

Pancreas does not have striated ducts, while parotid does. Parotid does not have centroacinar cells, while pancreas does

38
Q

Bartholin gland cyst

A

welling in labia majorum.

Cell Biology Exam 3 (10 decks)

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