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25 Cards in this Set
- Front
- Back
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Vertebrosternal Ribs
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R1 through R7; each of these ribs has its own cartilage that directly articulates with the sternum. "true ribs"
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Vertebrochondral Ribs
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R8, R9, R10; the cartilages for these three ribs merge to form a single piece that articulates with the sternum. "False ribs"
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Vertebral Ribs
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R11 and R12; ribs which only have an articulation with the vertebral column. "floating ribs"
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Pectoral Girdle
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the bony structure in the chest region that provides support for the upper extremities. comprised of the cla
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Pelvic Girdle
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the bony structure that provides support for the lower extremities. it consists of a pair of coxal bones, each of which has three parts: the ilium, ischium, and the pubis.
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Carina
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the keel-shaped landmark formed by the bifurcation of the last tracheal ring into the two main stem bronchi
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Hilum
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the point where the main stem bronchi enter the lungs
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Alveoli Pulmoni
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tiny pouches along the alveolar sacs, alveolar ducts, and terminal bronchioles where the exchange of oxygen and carbon dioxide takes place
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Central Tendon
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the three-lobed connective tissue core on which the fibers of the diaphragm insert
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Visceral Pleura
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the connective tissue membrane that covers the surface of each lung as well as the superior surface of the diaphragm
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Costal Pleura
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the connective tissue membrane that lines the interior of the rib cage; also known as the parietal pleura
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Pleural Linkage
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the binding of the lungs to the interior of the rib cage by way of airtight adhesion of the visceral pleura of the lungs to the costal pleura of the rib cage, and of the lungs to the superior surface of the diaphragm by way of the visceral pleura they both share
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Pericardium
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the membranous sac that contains the heart
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Linea Alba
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a tight band of connective tissue extending from the xiphoid process to the pubis, formed by the aponeuroses of the external oblique, internal oblique, and transversus abdominus muscles; this vertical line separates the abdominal muscles into left and right mirror-image pairs
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Boyle's Law
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the principle that states: with temperature being constant, volume and pressure are inversely related to each other
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Pulmonary Pressure
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the force that air exerts upon the alveoli pulmonic within the lungs; also referred to as alveolar pressure
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Atmospheric Pressure
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the force that air exerts upon objects within the external environment
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Tidal Volume
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the volume of air that is typically exchanged during a cycle of quiet, vegetative breathing
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Inspiratory Reserve Volume
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the volume of air that can be further inhaled after a normal tidal inhalation
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Expiratory Reserve Volume
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the volume of air that can be forcibly expired from the lungs at the end of a normal tidal exhalation
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Residual Volume
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the volume of air that remains in the lungs and cannot be forcibly expelled; its purpose is to prevent the lungs from collapsing completely
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Total lung capacity
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the sum of all lung volumes, including inspiratory reserve volume, tidal volume, expiratory reserve volume, and residual volume
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Minute Volume
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the amount of air that is exchanged during quiet, tidal breathing over the course of one minute
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Maximum Minute Volume
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the amount of air that can be forcibly and maximally inspired and expired over the course of one minute
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Checking mechanism
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the action of the external intercostal muscles upon the rib cage during expiration; these muscles relax gradually during expiration to prevent the rib cage from recoiling too quickly
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