B4-082 Chest Wall Heart Flashcards
muscles that lie deep to the breast
- pectoralis major
- pectoralis minor
- serratus anterior
[…] fascia surrounds the pectoralis major
pectoral
[…] fascia surrounds the pectoralis minor
clavipectoral fascia
- potential space located between breast and pectoral fascia
- allows some degree of movement of the breast
retromammary space
location of the breast
- lateral border of sternum to mid axillary line
- 2-6th ribs
artery that supplies medial mammary branches
internal thoracic
artery that supplies lateral mammary branches
lateral thoracic
artery that supplies lateral mammary and lateral cutaneous branches
posterior intercostal
nerves that supply the breast
anterior and lateral cutaneous branches of 4-6th intercostal nerves
the nerves that supply the breast travel in
pectoral fascia
lymphatic supply to nipple, areola and lobules
subareolar lymphatic plexus
lymphatic supply to lateral quadrent
axillary lymph nodes
lymphatic supply to medial quadrant
parasternal lymph nodes
lymphatic supply to inferior quandrant
abdominal lymph nodes
flow of lymph through the lateral quadrant
- pectoral nodes
- central nodes
- apical nodes
- clavicular nodes
- subclavian lymphatic trunk
- thoracic or right lymphatic trunk
lactiferous ducts
note: lobules of mammary glands
suspensory ligaments
nipple
lactiferous sinus
in the autonomic nervous system, the pre synaptic cell body is in the […], while the post-synaptic cells body is in an […]
CNS; autnomic ganglion
one presynaptic fiber synapses with multiple post synaptic fibers provides
amplification of response
fight or flight
sympathetic
preganglionic fibers located from T1-L2/3
sympathetic
- paravertebral ganglia
- superior, middle, and inferior cervical ganglia
- prevertebral ganglia
sympathetic
postganglionic cell bodies are in the sympathetic gangle and
the axons continue to target organ
- short preganglionic fibers
- long postganglionic fibers
sympathetic
rest and digest
parasympathetic
preganglionic fibers located in nuclei in brainstem or sacral spinal chord
parasympathetic
preganglionic fibers in the parasympathetic system travel with which cranial nerves?
3, 7, 9, 10
include ciliary, pterygopalatine, otic and submandibular ganglion and ganglion found in the target organ
parasympathetic ganglia
long preganglionic fibers
short postganglionic fibers
parasympathetic
preganglionic neurotransmitter
acetylcholine
post ganglionic NT in PSNS
acetylcholine