Anatomy Flashcards
what are the 4 pars of the pituitary gland
tuberalis
intermedia
distalis
nervosa
what hormones are released by the anterior lobe of the pituitary gland (6)
growth hormone
prolactin
thyroid-stimulating hormone
adrenocorticotropic
follicle-stimulating hormone
luteinising hormone
what hormones are released by the posterior lobe of the pituitary gland (2)
antidiuretic hormone
oxytocin
what hormone is released by the intermediate zone of the pituitary gland
melanocyte-stimulating hormone
what hormones do hypothalamic neurons secrete (2)
releasing hormones
release-inhibitory hormones
what do the hypothalamic neuron secretions act on?
ANTERIOR pituitary gland
what cranial nerves are near the pituitary gland?
CN II optic chiasm
CN III oculomotor
CN IV trochlear
CN V trigeminal
CN VI abducens
what happens if there is a functional deficit of the optic chiasm?
bitemporal hemianopia
what is the venous drainage of the thyroid gland?
superior middle and inferior thyroid veins
where does the superior thyroid vein drain into?
internal jugular vein
where does the middle thyroid vein drain into?
internal jugular vein
where does the inferior thyroid vein drain into?
brachiocephalic (usually left)
what is the arterial supply of the thyroid gland?
superior and inferior thyroid arteries
where is the superior thyroid artery from?
external carotid artery
where is the inferior thyroid artery from?
subclavian artery
what are the 4 strap muscles?
sternohyoid
omohyoid
sterothyroid
thyrohyoid
what are the 4 fascial compartments of the neck?
investing
prevertebral
carotid sheath
pretracheal
what are the contents of the investing fascia?
trapezius
sternocleidomastoid
what are the contents of the prevertebral fascia?
cervical vertebrae
posterior neck muscles
what are the contents of the carotid sheath?
common carotid arteries
vagus nerves
deep cervical lymph nodes
internal jugular veins
what are the contents of the pretracheal fascia?
trachea
oesophagus
thyroid gland
strap muscles
recurrent laryngeal nerves
what supples all of the strap muscles (apart from the thyrohyoid)?
ansa cervicalis
what is the thyrohyoid muscle innervated by?
C1, which runs with the hypoglossal nerve
what is the ansa cervicalis composed of?
anterior rami of C1-3
what are the main cells of the islets of langerhans?
alpha beta and delta
what arteries supply the pancreas?
gastroduodenal
superior and inferior pancreaticoduodenal
splenic
superior mesenteric
what are the 2 parts of the adrenal gland?
adrenal cortex
adrenal medulla
what hormones does the adrenal cortex secrete? (3)
glucocorticoids
mineralocorticoids
androgens
what hormones does the adrenal medulla secrete? (2)
adrenaline
noradrenaline
what separates the kidney and the adrenal gland?
fascial septum
what is the arterial supply of the adrenal gland? (3)
superior suprarenal artery
middle suprarenal artery
inferior suprarenal artery
(all left and right)
what is the venous drainage of the adrenal gland?
renal vein
(left and right)
drain into IVC