Respiratory Flashcards
Pleura sac
Surrounding of the lungs which occupies most of the thoracic cavity
Parts of the pleural sac
Parietal pleura
Visceral pleura
Pleura space
Parietal pleura
Outer liner of the lungs that adheres to the wall of the chest cavity (ribs and diaphragm)
Visceral pleaura
Inner lining of the lungs that adhere to the lung
Pleural space
Space in-between the layers of the pleura that contains pleural fluid
Sections of parietal pleura
Cervical pp
Mediastinal pp
Costal pp
Diaphragmatic pp
Innervation of parietal pleura
Somatic sensory nerves
Intercostal nerve
Phrenic nerves origination
C3-C5
Phrenic nerve innervation type
Motor and sensory information
Function of pleural scpace
Lubricates and decreases friction
Maintains fluid surface tension that keeps the lungs open
Hydrostatic pressure pulls the membranes together (glass + water analogy)
Function of the parietal pressure
Keeps the lungs inflated
Negative pressure inside the lungs sucks air in from the higher pressure outside
Pleural recesses
Gaps inside the pleural space that the expanding lung can fill in
Lobes of the R. lung
Superior
Middle
Inferior
Oblique fissure R
Separates middle and inferior lobes of R lung
Horizontal fissure
Separates superior and middle lobes of R lung
Lobes of L lung
Superior
Inferior
Oblique fissure L
Separates S and I lobes
Lingula
Notch for the heart at the bottom of the left lung