G. ANAT - THORACIC CAVITY & RESPIRATION
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- 2 Components of Intervertebral Discs
- (1) Annulus fibrosis (2) Nucleus pulposis
- Location of Xiphoid process in relation to vertebral levels
- T9
- Ribs considered atypical vs typical
- Atypical - 10-12 Typical - 3-9
- True Ribs vs. False Ribs vs. Floating Ribs
- True Ribs - directly connect to sternocostal cartilage False Ribs -attach to costal cartilage of rib above Floating Rib - DOES attach to sternum at all
- Rib Elevator Thoracic Muscles
- Innermost intercostals Levator costorum External intercostals Serratus posterior superior Subcostals
- Rib Depressor Thoracic Muscles
- Serratus Posterior Inferior Internal intercostals Transverse thoracis
- Intercostal N. formed by what spinal nerves
- VENTRAL PRIMARY RAMI of T1-T11
- Receives venous drainage from RIGHT and LEFT INTERCOSTAL VEINS
- R = AZYGOUS VEIN, directly L = HEMIAZYGOUS VEIN, directly, AZYGOUS VEIN, indirectly (but crosses anterior to vertbral bodies and eventually drains into azygous vein)
- Differences b/w R and L Bronchi
- R - (1) Wider (2) Shorter (3) Vertical - in line with trachea (4) Rise to 3 secondary bronchi (tri-lobe L - (1) Narrower (2) Longer (3) Horizontal (4) Rise to 2 secondary bronchi (bi-lobe)
- Names of Fissures of R and L lung and rib it parallels
- Right Lung - Oblique Fissure - 6th rib - Horizontal Fissue - 4th Rib Left Lung -Oblique fissue - 6th rib
- Fissure Left Lobe DOES NOT have compared to Right Lobe
- HORIZONTAL FISSURE
- A cardiac impression is left on what side of the lung?
- Left Lung
- A "tongue" like projection on the inferior part of the upper lobe is found in which lobe? Name?
- LEFT LUNG LINGULA