Endocrine System, Thorax and Mediastinum Flashcards
Ultimate control of the endocrine system
Hypothalamus
Pineal gland
melatonin
Pituitary gland
“master gland”
Thyroid gland
metabolism and decreases calcium
Parathyroid glands
increases calcium
Thymus
Develops immune system and then atrophies
Adrenal glands
cell metabolism and SNS
Pancreas
Insulin, glucagon, exocrine and endocrine functions
Testes
testosterone
Ovaries
estrogen and progesterone
4 muscles of the thorax
External intercostal, internal intercostal, innermost intercostal mm. and thoracic diaphragm.
Where are the vessels of the ribs in relation to the muscles?
Between the internal intercostal and innermost intercostal mm.
Inn- thoracic diaphragm
Phrenic nerve (C3-5)
Inn- intercostal muscles
T1-T12 (first 11 are intercostal n., last one is subcostal n.)
Sensory nerves to the thoracic body wall
T1-T12
5 arteries of the parietal thorax
Anterior and posterior intercostal aa., musculophrenic a., superior and inferior phrenic aa.
Branches of the internal thoracic a.
Musculophrenic, superior epigastric and anterior intercostal aa.
Origin of posterior intercostal, superior and inferior phrenic aa.
aorta
Drainage of the azygos v.
SVC