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Histology > Lecture 8 > Flashcards

Lecture 8 Flashcards

1
Q

Give 6 examples of Exocrine glands

A

Salivary, Mammary, Sweat, Sebaceous, Liver, Pancreas.

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2
Q

What is an Exocrine gland?

A

product is transported by duct system to the lumen/surface of organ

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3
Q

What is an Endocrine gland?

A

Product is secreted as a hormone into blood system

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4
Q

What is a Paracrine gland?

A

secretion affects neighboring cells. “Growth factor” is one example.

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5
Q

What is an Autocrine gland?

A

Cell secretes products that affects ITSELF.

IL-2 secreted by T-cells*

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6
Q

What are 3 type of Unicellular glands?

A

Goblet cells, Mucous Cells, and Enteroendocrine

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7
Q

What is Simple mean?

A

Multicellular glands that DO NOT have ductal branching.

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8
Q

What does Compound mean?

A

Multicellular glands that DO have ductal branching.

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9
Q

What are 3 types of Tubular and where are they found?

A
  1. Straight: crypts of Lieberkuhn in large intestine
  2. Coiled: sweat glands of skin
  3. Branched: fundic, pyloric, cardiac glands of stomach
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10
Q

What and Where are Alveolar (acinar) glands found?

A

Meibomian glands of eyelid

Sebaceous glands of skin

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11
Q

What and where are Tubuloveolar glands?

A

Salivary glands

Brunner’s glands of Duodenum

Mucous glands of esophagus.

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12
Q

What are the 4 types of Multicellular Simple Excretory Ducts?

A

Tubular

Coiled

Tubular Brnached

Acinar/Alveolar

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13
Q

What are the 3 types of Multicellular Branched Excretory ducts?

A
  1. Branched Tubular
  2. Branched Alveolar
  3. Branched Tubuloalveolar
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14
Q

What do Serous glands secrete and where are they found?

A

Watery, enzyme filled.

Parotid Salivary Gland

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15
Q

What do Mucous glands secrete?

A

Thick, mucin-containing.

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16
Q

What do Mixed glands secrete and where are they found?

A

Combination of Serous & Mucous

Submandibular and sublingual

17
Q

What is “Merocrine” secretion?

A

Vesicles released in exocytosis

18
Q

What is Apocrine secretion? And one example

A

Apical cytoplasm is released with secretory product.

Axillary sweat glands

19
Q

What is Holocrine secretion and one example?

A

ENTIRE cell is released.

Sebaceous glands

20
Q

Describe 3 details of the Submandibular Gland

A
  1. Both Serous & Mucous cells
  2. Serous cells form demilune capping mucous acini
  3. Myoepithelial cells surround acini.
21
Q

Describe 4 details of Sublingual Glands

A
  1. Mucous acini
  2. PAS+
  3. Flattened nuclei
  4. Myoepthelial cells surround acini
22
Q

Describe 3 details of Parotid glands

A
  1. Serous Acini
  2. Apical regions contain zymogen granules
  3. RER predominates in basal regions of secretory cells.

Histology (12 decks)

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