Endocrine anatomy (chiro essentials pg29-31) Flashcards
(41 cards)
What gland is considered the master endocrine gland
Pituitary gland
What are the embryological origins of the pituitary gland
Rathke’s pouch
part of the Hypothalamus
Where can you find the pituitary gland
In the sella tursica of the sphenoid bone
What covers the pituitary gland
a fold of dura called Diaphragm sellae
what does the anterior portion of the pituitary gland produce
FSH LH ACTH TSH prolactin GH
What influences the release/inhibition of hormones from the anterior pituitary (all except prolactin)
Hypothalamus
What influences the release/inhibition of prolacin from the anterior pituitary
Prolactin inhibiting factor (dopamine)
What does the posterior pituitary do
Stores hormones (oxytocin + ADH)
What produces Oxytocin
Paraventricular nuclei of hypothalamus
What produces ADH
Supraoptic nuclei of the hypothalamus
What links the two lobes of the thalmus
isthmus
What gives blood supply to the thyroid gland
Superior thyroid artery
Inferior thyroid artery
Thyroid ima
what types of cells secrete T3 (thyroxin) in the thalamus
Cuboidal cell-lined follicles
What cells produce calcitonin in the thalamus
Parafollicular cells
What gives blood supply to the parathyroid gland
Inferior thyroid artery
What are the two types of cells of the parathyroid gland
Chief cells
Oxyphils
What cells secrete PTH
Chief cells
What does PTH do
Takes calcium out of bone and into the blood stream
Wha organ is both an exocrine and endocrine gland
Pancreas
What is the pancreas derived from
Ventral and dorsal endodermal buds from the foregut
What cells are found in the pancreas
Alpha 20%
Beta 75%
Delta 5%
What pancreatic cells secrete insulin
Beta cells
What pancreatic cells secrete glucagon
alpha cells
What pancreatic cells secrete somatostatin
Delta cells
