Unit 3 - Thorax, Abdomen, Pelvis, and Perineum: Diaphragm (Ex. III) Flashcards Preview

Gross Anatomy '15 Ex. III > Unit 3 - Thorax, Abdomen, Pelvis, and Perineum: Diaphragm (Ex. III) > Flashcards

Flashcards in Unit 3 - Thorax, Abdomen, Pelvis, and Perineum: Diaphragm (Ex. III) Deck (3)
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1

lumbar diaphragm

O: M part - L1-L3 vertebral bodies, IV disks, and ALL as R and L crura; L parts - L and M arcuate ligaments
I: central tendon
Inn: phrenic n. (C3-C5, C plexus)
A: principle muscle of respiration (diaphragmatic and thoracic breathing); aids in compressing abdominal viscera (abdominal press)

2

sternal diaphragm

O: P surface of xiphoid process
I: central tendon
Inn: phrenic n. (C3-C5, C plexus)
A: principle muscle of respiration (diaphragmatic and thoracic breathing); aids in compressing abdominal viscera (abdominal press)

3

costal diaphragm

O: inner surface, lower margin of costal arch of ribs 7-12
I: central tendon
Inn: phrenic n. (C3-C5, C plexus)
A: principle muscle of respiration (diaphragmatic and thoracic breathing); aids in compressing abdominal viscera (abdominal press)

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