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Histology > Endocrine ~ Histology > Flashcards

Endocrine ~ Histology Flashcards

1
Q

Parts of Pituitary

A

Pars Distalis / Pars anterior
Pars Intermedia
Pars Nervosa

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2
Q

Cells in pars distalis / pars anterior

A

Chromophil cells and Chromophobe cells

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3
Q

Outer 1/5 of adrenal cortex is

A

Zona Glomerulosa

Has small polyhedral cells arranged in inverted U shaped formation or acinus like groups.

Produce MineraloCorticoids

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4
Q

Acidophilic cells of anterior pituitary

A

Somatotrophs ~ secrets GH

Mammotrophs ~ secrets Prolactin

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5
Q

Basophil cells of anterior pituitary

A

Corticotrophs
Thyrotrophs
Gonadotrophs

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5
Q

Thyroid follicles lined by

A

Follicular cells

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6
Q

Aggregation of thyroid follicles make

A

Lobule

Septum arising from the capsule divides the thyroid gland into Lobules

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8
Q

On fixing adrenal medulla in Chromium Salt Solution it shows

A

Yellow pigment in cytoplasm
~ called Chromaffin Reaction

Also called ~ Chromaffin Cells

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9
Q

Inner 1/5 of adrenal cortex formed by

A

Zona Reticularis

Cells arranged as Cord ~ Branches to Anastomose ~ Form Reticulum (inner 1/5 of cortex)

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10
Q

Middle 3/5 of adrenal cortex is formed by which layer

A

Zona Fasciculata~ 2 cell thick layer

secrets Glucocorticoids

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11
Q

Shape of Follicular cells

In Active state ~
Inactive state ~
Hyperactive state ~

A

In Active state ~ Cuboidal
Inactive state ~ Sqaumous
Hyperactive state ~ Columnar

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12
Q

Follicular cell on Electron Microscopy

A

Apical Microvilli
Supra nuclear GolgiComplex
Numerous Rough ER

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13
Q

Poorly developed Part of pituitary

A

Pars intermedia

Has vesicles filled with colloid ~ is remnant of Rathke’s Pouch

Secrets MSH melanocyte SH

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14
Q

Cortex:Medulla ratio of adrenal gland

A

10:1 ~ cortex:medulla

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16
Q

In which layer of adrenal cortex the cells are arranged in straight columns?

A

Zona Fasciculata

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17
Q

Polyhedral cells with oval eccentric nucleus around the follicles in thyroid gland is

A

Para Follicular cells / C-Cells

Which secrets Thyrocalcitonin

17
Q

PTH Secreted by

A

Chief cells

18
Q

Oxyphil cells aka

A

Eosinophilic cells

Stains with eosin

Function not known

19
Q

Surrounding Endocrine Glands will see tht

A

Numerous blood vessels to carry the Hormonal secretions

20
Q

Cells of Parathyroid Gland

A

Chief Cells

Oxyphil Cells

Histology (9 decks)

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