Pituitary Gland

Question 1

What is the name given to the depression in the skull where the pituitary gland sits?

Answer 1

Turcica

Question 2

In the body of which cranial bone is Turcica?

Answer 2

Sphenoid

Question 2

In the body of which cranial bone is Turcica?

Answer 2

Sphenoid

Question 3

How is the optic chiasm related to the pituitary gland?

Answer 3

Sits on top of it

Question 4

All fibres from eye pass through where to get to optic chiasma

Answer 4

Optic Nerve

Question 5

At the optic chiasma the medial nasal fibres cross to which side

Answer 5

Opposite

Question 6

At the optic chiasma the medial nasal fibres cross to which side

Answer 6

Opposite

Question 7

The optic tract contains fibres from

Answer 7

Lateral Temporal half of Ipsilateral Eye

Crossed over nasal fibres from contralateral eye

Question 8

Fibres from optic tract synapse at

Answer 8

LGB of Thalamus

Question 9

Optic Radiation passes behind the

Answer 9

Internal Capsule to reach Primary Visual Cortex in Occipital Lobe (Area 17)

Question 10

The Primary Visual Cortex is found where

Answer 10

Occipital Lobe (Area 17)

Question 11

The Right Visual Cortex sees which half of visual field

Answer 11

Left Half

Question 12

The Left Visual Cortex sees which half of visual field

Answer 12

Right

Question 13

If the right optic nerve is damaged what do you expect to see

Answer 13

Blindness in One Eye

Question 14

What do you expect to see when Optic Chiasma is disrupted in middle?

Answer 14

Bitemporal Hemianopia

Question 15

What do you expect to see when Right Optic Tract is damaged

Answer 15

Contralateral homonymous Hemianopia

Question 16

What do you expect to see when optic radiation is damaged

Answer 16

Contralateral Homonymous Hemianopia

Question 17

The Pituitary Gland is connected to Hypothalamus by

Answer 17

Pituitary Stalk

Question 18

The anterior pituitary develops from

Answer 18

Branchial Arteries

Question 19

Which is the larger of the two pituitary lobes?

Answer 19

anterior

Question 20

Which of the two pituitary lobes is glandular and manufactures numerous hormones?

Answer 20

Anterior

Question 21

What is the function of posterior lobe of pituitary?

Answer 21

To release hormones after input from nervous system – releases neurohormones produced in hypothalamus

Question 22

The anterior pituitary stains what colour

Answer 22

Dark

Question 23

The posterior Pituitary stains

Answer 23

Pale

Question 24

The anterior pituitary has what type of cells

Answer 24

Acidophilic Basophilic Chromophobic

Question 25

Acidophilic cells stain

Answer 25

Pink

Question 26

Basophilic cells stain

Answer 26

Purple

Question 27

Features of Posterior Pituitary

Answer 27

It contains non-myelinated axons which are the neurosecretory cells. The cell bodies of these cells are located in the hypothalamus.

Question 28

The neurosecretory cells in pos pituitary secretes

Answer 28

Anti-Diuretic Hormone and Oxytocin

Question 29

Acidophils are what type of class

Answer 29

Somatotrophs and Mammotrophs

Question 30

Somatotrophs secrete

Answer 30

Somatotrophin aka Growth Hormone

Question 31

Somatotrophs target

Answer 31

Liver | Adipose

Question 32

Mammotrophs secrete

Answer 32

Prolactin

Question 33

Mammotrophs target

Answer 33

Mamillary Bodies

Question 34

Corticotrophs secrete

Answer 34

ACTH and MSH

Question 35

Corticotrophs target

Answer 35

Adrenal Cortex and Melanocytes of Skin

Question 36

Gonadotrophs secrete

Answer 36

FSH and LH

Question 37

Gonadotrophs target

Answer 37

Ovaries and Testes

Question 38

Pituitary Gland blood supply

Answer 38

Internal Carotid Artery branches Sup Hypophysical Artery and Inferior Hypophyseal Arteries

Question 39

How does the hypothalamus communicate with the anterior pituitary?

Answer 39

Through releasing/inhibiting of hormones into Hypothalmo-Hypophysial Portal System

Question 40

How does the hypothalamus communicate with the posterior pituitary?

Answer 40

Through neurosecretory cells via infundibulum

Question 41

Venous drainage of pituitary gland

Answer 41

is through hypophysial veins into the cavernous sinus.