Radom Facts Flashcards
Where does each intercostal artery receive blood from?
The thoracic aorta and internal thoracic (internal mammary) arteries
Blood vessels that serve the thoracic cage
Thoracic aorta Internal thoracic artery Subclavian artery Supreme intercostal arteries Axillary artery
Where is the dermatome for C5?
Clavicle
Where is the dermatome for T4?
Nipple
Where is the dermatome for T7?
Xiphoid process
What is the space between the breast and the pec major? What does it help do?
Retromammary Space
Allows for independent breast movement
Arteries supplying the breast
Perforating branches of internal thoracic artery
Anterior/post intercostal a.
Lateral thoracic branch of axillary a
(Venous drainage through same names and axillary v.)
Term for extra nipple
Polythelia
Term for supernumerary breast
Polymastia
Excessive development of the male mammary gland, mainly due to distal proliferation and periductal edema
Gynecomastia
What is in the pleural cavity
Lungs and pleural membranes
What is included in mediastinum?
Heart Great vessels Trachea Esophagus Thymus
How is the vascular and nervous system structured in the intercostal space from cranial to caudal?
V - vein
A - artery
N - nerve
How high does the right done if he diaphragm reach?
Left dome?
Right: 4th intercostal space
Left: 5th intercostal space
What is at the T8 opening of diaphragm?
Inferior vena cava hiatus
What is at the T10 opening of diaphragm?
Esophageal hiatus: esophagus and vagal trunks
What is at the T12 opening of diaphragm?
Aortic hiatus: aorta, thoracic duct, azygos vein
The layer that covers the lungs
Visceral pleura
The second covering of the wall of the pleural cavity
Parietal pleura
Sympathetic innervation of lungs
T1-5
Bronchial dilation and reduced mucous secretions
Afferent - pain and cough reflex with sympathetic nerves
Parasympathetic innervation of lungs
Vagus
Produces bronchial constriction, mucous secretion, and bronchial vasodilation
Medical term for hiccups
Synchronous diaphragmatic flutter
Singultus
which vertebra have foramen transversarium? what passes through it?
C1-C6
vertebral artery
what does the anterior longitudinal ligament do?
prevents spinal hyperextension
where do the motor nerves come from spinal cord
ventral roots
/anterior and lateral corticospinal tract
where do the sensory nerves come from spinal cord
dorsal roots
Meninges of spinal cord
dura mater -> subdural space -> arachnoid mater ->subarachnoid space -> pia mater
Lumbar cisterna
area from L2 where the spinal cord ends to S2 - cauda equina and CSF
afferent
sensory info to brain (away from PNS)
efferent
motor info from brain (to PNS)
Autonomic Nervous System def
a visceral motor system that modulated internal organ fxn; sympathetic and parasympathetic
Somatic Nervous System
motor and sensory nerves of the body
quite inspiration
diaphragm mostly
some ext and int intercostals
quite expiration
passive elastic recoil
forced inspiration
SCM, scalenes, lev costarum, serr post sup (plus quite)
forced expiration
rectus abds, ext and int obliques, internal intercostals, serr pos inf, transversus thoracis
what is the physical look of someone with emphysema
barrel chest
