Resp anatomy Flashcards
when does the carinae bifurcation of bronchioles occur
T5/6
how many lobes do left and right lung have. name?
left: 2 superior, inferior
right: 3 superior, inferior, middle
what fissures seperate the lobes in left and right lungs
left: oblique fissues: cardiac notch
right: horizontal seperates middle and superior (4th rib) oblique
what structures are found in hilum
bronchioles, artery, 2 veins, pulmonary plexus and lymphatics
what are the three margins of the lung
costo, mediastinal, diaphragmatic
order of bronchius to alveoli
hilium, lobar, segmental, bronchioles, terminal, alveloi
what are the borders of the layrnx
c3-c6
9 cartilages connected by ligaments and membranes
what covers the layrnx anteriorly
infrahyoid muscles
what laterally covers the layrnx
thyroid muscles
what muscle in larynx is not covered by vagus nerve
ericothyroid
what are aryepiglottice folds
muscous membrane folds in the entrance of the larynx
what is the supraglottis
inferior surface of epiglottis to vestibular folds
glottis - what does it contain (2 parts)
contains vocal cords: true and false (dont vibrate)
what is the subglottis
inferior border of glottis to inferior border of cricoid
how long is the pharynx
12cm