Pituitary Gland Explained: Anatomy, Blood Supply and Function

Pituitary Gland Explained: Anatomy, Blood Supply and Function

Describe the pituitary gland in detail. Mention its blood supply, development & relation
Answer:

Pituitary Gland:

• Pituitary gland is a small endocrine gland
• It is often called master of endocrine orchestra as it produces a number of hormones which control the secretion of many other endocrine glands of the body

Location:

• It is situated in relation to the base of the brain
• It lies in the hypophyseal fossa or sella turcica or pituitary fossa

Size:

• 8 mm- anteroposteriorly
• 12 mm-transversely

Relations:

1. Superiorly

• Diaphrama sellae
• Optic chiasma
• Tubercinerum
• Infundibular recess of the third ventricle

2. Inferiorly

• Irregular venous channels
• Hypophyseal fossa
• Sphenoidal air sinuses

3. On each side

• Cavernous sinus

Blood Supply:

1. Arterial Supply:

2. Venous Drainage: