Block 4 - Thyroid Gland Flashcards

1
Q

secretory cells in thyroid gland are organized into blank

A

follicles

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2
Q

synthesis of hormone in thyroid is initiated blank the cell and completed blank the cell

A

inside, outside

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3
Q

secretion of thyroid is stored in follicles blank the cell as a blank rather than in blank

A

outside, prohormone, secretion granules

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4
Q

parathyroid is formed from these gill arches

A

3,4

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5
Q

two very distinguishable parts of parathyroid

A

oxyphil cell, lipids

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6
Q

oxyphil cells have a blank function

A

unknown

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7
Q

parathyroid also has blank cells that respond to decreased calcium in the blood

A

chief

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8
Q

follicle cells look like this in 3 dimensions

A

golf balls

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9
Q

clear cell in thyroid that makes calcitonin (C cell)

A

parafollicular cells

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10
Q

calcitonin is released when blood calcium is blank

A

high

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11
Q

thyroid blank calcium while parathyroid blanks calcium

A

decreases, increases

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12
Q

parafollicular cells are in thyroid or parathyroid?

A

thyroid

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13
Q

things between follicles

A

collagen, blood vessels, lymphatics

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14
Q

colloid is made up of blank

A

prohormone

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15
Q

more colloid looks more blank

A

basophilic

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16
Q

areas of terminal bar

A

zonula occludens (tight junction), zonula adherens, macula adherens (desmosome)

17
Q

terminal bar prevents blank of colloid and blank the cells

A

leakage, holds together

18
Q

phagosome retrieves prohormone from the blank and brings it to blank

A

colloid, inside of the cell

19
Q

phagosome releases blank and blank

A

T3, T4

20
Q

phagosome doesnt release these and brings them back in

A

T1, T2

21
Q

thyroid is a blank organ

A

endocrine