Endocrine glands Flashcards
In a functioning tumour, is too much or too little hormone secreted?
too much
Which type of tumour, functioning or non functioning, destroys the gland?
Non functioning
How many parathyroid glands are there in the neck?
4
How many adrenal glands are there and where are they?
2, suprarenal
What does the diencephalon consist of?
the thalamus and hypothalamus
What nerves does the the cribriform plate of the ethmoid bone transmit?
olfactory
What connects the hypothalamus to the pituitary gland?
the cribriform plate of the ethmoid bone
What 2 hormones do the hypothalamic neurones manufacture?
oxytocin, vasopressin (ADH)
What transports hormones to the posterior pituitary?
axoplasmic transport
Which part of the pituitary secretes GH, Prolactin, TSH, ACTH, LH, FSH?
anterior
What is an enlarged thyroid gland called?
a goitre
What does dietary lack of iodine do to the thyroid?
enlarge
Where are the 4 parathyroid glands located?
posterior surface of the thyroid gland’s lobe
Is parathyroid hormone under pituitary gland control?
No
What does PSH do?
controls amount of calcium in blood and bone
Where does the pancreas receive its blood supply from?
the coeliac trunk & the superior mesenteric artery
Where does the pancreas drain its venous blood?
into both the splenic vein & the superior mesenteric vein then into the hepatic portal vein
Which part of the pancreas is the Islets of Langerhans?
endocrine
Which part of the pancreas, endocrine or exocrine, secretes digestive enzymes?
exocrine
What does an exocrine gland secrete its enzymes via?
ducts (not directly into blood stream)
What is the opening into duodenum for pancreatic duct?
major duodenal papilla
What does the adrenal cortex produce?
glucocorticoids
mineralocorticoids
androgens
What does the adrenal medulla produce?
adrenaline
noradrenaline
How many arteries supply each adrenal gland?
3 (middle, superior and inferior suprenal arteries)
