Practical 8: Thoracic Wall, Lungs and Diaphragm Flashcards
true ribs
pairs 1-7
false ribs
pairs 8-10
floating ribs
pairs 11 and 12
costal cartilage
ribs - head
ribs - neck
ribs - tubercle
ribs - angle
ribs - costal groove
ribs - articular facets
sternum
sternum - manubrium
sternum - body
sternum - xiphoid process
vertebrae - body
vertebrae - neural arch
aka vertebral arch
vertebrae - vertebral foramen
vertebrae - spinous process
vertebrae - transverse process
vertebrae - laminae
vertebrae - pedicles
vertebrae - intervertebral foramen
vertebrae - superior and inferior articular facets
typical thoracic vertebrae
2-8
atypical thoracic vertebrae
1 and 9-12
what bony features form the thoracic inlet and outlet
First Rib
external intercostals
internal intercostals
innermost intercostals
subcostals
transverse thoracis
external intercostals function
inhalation (moves the ribs superiorly)
internal intercostals function
exhalation (moves the ribs inferiorly
innermost intercostals function
acts with internal intercostal
subcostals function
pulling the ribs inferiorly during forced exhalation
transverse thoracis function
depresses the ribs which supports expiration
nerve list
- intercostal nerves
- subcostal nerves