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Sp15 - Anatomy Exam 2 > Histology of the Endocrine System > Flashcards

Histology of the Endocrine System Flashcards

1
Q

What is an exocrine gland?

A

Secrete onto a surface either directly or via a duct

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2
Q

What is an endocrine gland?

A

Secrete internally, usually into cardiovascular gland, ductless gland.
Hormone

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3
Q

What are exclusive Endocrine Glands?

A 
Hypothalamus
Pituitary gland
Pineal gland
Thyroid gland
Parathyroid gland
Adrenal gland
Islets of Langerhans
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4
Q

What organs contain hormone-secreting glands?

A

Heart
Kidney
Thymus
Testes/Ovaries

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5
Q

What role does the Hypothalmus play?

A

Main visceral control center for the body:
Controls body temp, hunger, sleep/wake, thirst, sexual behavior, endocrine
Homeostasis

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6
Q

What are the 3 divisions of the Anterior Pituitary gland?

A

Pars distalis
Pars intermedia
Pars tuberaalis

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7
Q

What are the 7 hormones secreted by the Anterior Pituitary?

A 
Human Growth Hormone (HGH)
Thyroid-stimulating hormones (TSH)
Follicle-stimulating hormones (FSH)
Lutinizing hormone (LH)
Prolactin (PRL)
Adrenocorticotropic hormone (ACTH)
Melanocyte-stimulating hormone (MSH)
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8
Q

What are the 2 divisions of the Posterior Pituitary gland?

A

Pars nervosa

Infundibulum

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9
Q

What are the hormones secreted by the Posterior Pituitary?

A 
Oxytocin (OT)
Antidiuretic hormone (ADH)
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10
Q

What are the 2 divisions of the Adrenal glands?

A

Cortex

Medulla

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11
Q

What does the Cortex of the Adrenal gland make?

A

Steroids

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12
Q

What does the Medulla of the Adrenal glands make?

A

Catecholamines

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13
Q

What are the Islets of Langerhans?

A

Endocrine portion of the pancreas

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14
Q

What are the cells of the Islets of Langerhan?

A

beta-cells
alpha-cells
delta-cells

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15
Q

Beta-cells of Islets of Langerhans

A

Make up 70% of Islets, towards center

Make insulin

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16
Q

Alpha-cells of Islets of Langerhans

A

Make up 17%, toward periphery

Make glucagon

17
Q

Delta-cells of Islets of Langerhans

A

Make up 7%, toward periphery
Make somatostatin
Inhibits insulin and glucagon

18
Q

Thyroid gland

A

Lobulated gland
Made up of follicles
Borders are Follicular cells

19
Q

Follicular cells

A

In Thyroid gland

Secrete T3 and T4 cells

20
Q

Parafollicular glands

A 
Larger than follicular cells
Make calcitonin (CT)
21
Q

Parathyroid gland

A

Make Parathyroid hormone (PTH)

Sp15 - Anatomy Exam 2 (13 decks)

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