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Histology > Exam 3 – Lecture 27: Endocrine System 2 > Flashcards

Exam 3 – Lecture 27: Endocrine System 2 Flashcards

1
Q

What are the endocrine organs?

A 
Pituitary/hypothalamus 
Pineal (3rd eye)
Thyroids
Parathyroids
Adrenals
Pancreas
Gonads
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2
Q

What is the pituitary known as?

A

Master gland

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3
Q

What is the pituitary connected at?

A

The base of the brain

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4
Q

What does the pituitary sit in?

A

A depression at the base of the skull called sella tursica

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5
Q

What is the anterior pituitary composed of?

A

Rathke’s pouch

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6
Q

What feeds into the pituitary?

A

Hypothalamus

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7
Q

What are the 2 portions of the pituitary?

A

Anterior (adenohypophysis) and posterior (neurohypophysis)

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8
Q

What is the hypothalamus?

A

A portion of the brain that leaves from the stalk out of the brain stem and into the pituitary

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9
Q

What is something that occurs in the pituitary that only happens in a few places

A

Capillary turns into a vein and then a capillary again

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10
Q

What are the 3 parts to the anterior pituitary?

A

Pars distalis
Pars intermedia
Pars tuberalis

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11
Q

What makes up a majority of the anterior pituitary?

A

Pars distalis

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12
Q

What hormones come from the pars distalis?

A 
ACTH (adrenocorticotropic hormone)
TSH (thyroid stimulating hormone)
FSH (follicle stimulating hormone)
LH (luteinizing hormone)
GH (growth hormone)
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13
Q

What hormone comes from the pars intermedia?

A

MSH (melanocyte stimulating hormone)

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14
Q

What hormones come from the pars tuberalis?

A

ACTH
FSH
LH

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15
Q

What is Cushing’s disease/canine hyperadrenalcorticism?

A

Too much activity from the cortex of the adrenal gland–too much cortisol

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16
Q

What can be found in pars distalis?

A

Acidophils
Basophils
Chromophobes

17
Q

What can be found in pars intermedia?

A

Basophils

Chromophobes

18
Q

Is the posterior pituitary endocrine?

A

Not technically because it is not glandular it is an extension of the CNS, but it does release its contents into the bloodstream

19
Q

What can be found in the posterior pituitary?

A

Supraoptic and paraventricular nuclei
Pars nervosa
Infundibulum

20
Q

What hormones come from the posterior pituitary?

A

Oxytocin

ADH

21
Q

What is ADH?

A

Vasopressin

22
Q

What does the hypothalamus do?

A

Regulates the pituitary function with releasing hormone

Negative feedback

23
Q

What does the pineal gland respond to?

A

Light

24
Q

What does pineal gland produce?

A

Melatonin

Histology (30 decks)

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