Flashcards in Endocrine Anatomy Deck (52)
What is the master endocrine gland?
What are the anterior embryological origins of the pituitary gland?
What are the posterior origins of the pituitary gland?
A down growth of the hypothalamus
Where does the pituitary gland lie?
The sella turcica
What covers the pituitary gland?
A fold of dura called diaphragm sellae
What does the anterior lobe of the pituitary gland produce?
FSH, LH, ACTH, TSH, PRL, GH
What does the posterior lobe of the pituitary gland store?
ADH and Oxytocin
What supplies the pituitary gland?
Superior and inferior hypophyseal arteries from the internal carotid
What is the structure of the thyroid gland?
An H shaped gland with two lobes and an isthmus connecting them
What is the thyroid gland derived from?
A mesodermal down growth from the foramen cecum
Where is the thyroid gland located?
Th anterior cervical triangle
What is the thyroid gland enclosed in?
A true fibrous capsule and an outer false capsule derived from pretracheal layer of deep cervical fascia
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
What drains the thyroid gland?
Superior, middle, and inferior thyroid veins
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
What nerve supplies the cricothyroid?
The external laryngeal nerve of the superior laryngeal nerve
What does the external laryngeal nerve travel with?
The superior thyroid artery
What supplies the intrinsic laryngeal muscles?
The recurrent laryngeal nerve
What travels with the recurrent laryngeal nerve?
Inferior thyroid artery
What do the cuboidal cell-lined follicles of the thyroid secrete?
What do the parafollicular cells of the thyroid secrete?
How many pairs of parathyroid glands are normal?
What are the superior parathyroid glands derived from?
Mesoderm in the 4th pharyngeal pouch
What are the inferior parathyroid glands derived from?
The 3rd pharyngeal pouch
What supplies the parathyroid gland?
Inferior thyroid artery
What types of cells does the parathyroid hormone contain?
Chief cells and oxyphils
What type of parathyroid cell secretes PTH?
Which endocrine gland is also a exocrine gland?
What is the pancreas derived from?
Ventral and dorsal endodermal buds of the foregut