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Flashcards in Endocrine Anatomy Deck (52)
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1

What is the master endocrine gland?

Pituitary

2

What are the anterior embryological origins of the pituitary gland?

Rathke's pouch

3

What are the posterior origins of the pituitary gland?

A down growth of the hypothalamus

4

Where does the pituitary gland lie?

The sella turcica

5

What covers the pituitary gland?

A fold of dura called diaphragm sellae

6

What does the anterior lobe of the pituitary gland produce?

FSH, LH, ACTH, TSH, PRL, GH

7

What does the posterior lobe of the pituitary gland store?

ADH and Oxytocin

8

What supplies the pituitary gland?

Superior and inferior hypophyseal arteries from the internal carotid

9

What is the structure of the thyroid gland?

An H shaped gland with two lobes and an isthmus connecting them

10

What is the thyroid gland derived from?

A mesodermal down growth from the foramen cecum

11

Where is the thyroid gland located?

Th anterior cervical triangle

12

What is the thyroid gland enclosed in?

A true fibrous capsule and an outer false capsule derived from pretracheal layer of deep cervical fascia

13

What supplies blood to the thyroid gland?

Superior thyroid from external carotid
Inferior thyroid form the thyrocervical trunk
Thyroid ima in 3-10% of the population

14

What drains the thyroid gland?

Superior, middle, and inferior thyroid veins

15

What is the relationship between the arteries and veins supplying the thyroid gland?

The superior artery travels with the superior thyroid vein, and the middle thyroid vein accompanies the inferior thyroid artery

16

What nerve supplies the cricothyroid?

The external laryngeal nerve of the superior laryngeal nerve

17

What does the external laryngeal nerve travel with?

The superior thyroid artery

18

What supplies the intrinsic laryngeal muscles?

The recurrent laryngeal nerve

19

What travels with the recurrent laryngeal nerve?

Inferior thyroid artery

20

What do the cuboidal cell-lined follicles of the thyroid secrete?

Thyroxin

21

What do the parafollicular cells of the thyroid secrete?

Calcitonin

22

How many pairs of parathyroid glands are normal?

Two

23

What are the superior parathyroid glands derived from?

Mesoderm in the 4th pharyngeal pouch

24

What are the inferior parathyroid glands derived from?

The 3rd pharyngeal pouch

25

What supplies the parathyroid gland?

Inferior thyroid artery

26

What types of cells does the parathyroid hormone contain?

Chief cells and oxyphils

27

What type of parathyroid cell secretes PTH?

Chief cells

28

Which endocrine gland is also a exocrine gland?

Pancreas

29

What is the pancreas derived from?

Ventral and dorsal endodermal buds of the foregut

30

Which cells of the pancreas secrete insulin?

Beta cells