TRACHEA
TERMINOLOGY
TRACHEA | TRACHEA | |
Pars cervicalis; pars colli | Cervical part | |
Pars thoracica | Thoracic part | |
Cartilagines tracheales | Tracheal cartilages | |
M. trachealis | Trachealis | |
Ligg. anularia; ligg. trachealia | Anular ligaments | |
Paries membranaceus | Membranous wall | |
Bifurcatio tracheae | Tracheal bifurcation | |
Carina tracheae | Carina of trachea | |
Tunica mucosa | Mucosa; mucous membrane | |
Glandulae tracheales | Tracheal glands |
- TRACHEA
- Synonyms
- Rough air vessel ,
- Structural Features
- Non collapsible
- Cartilages
- Presence of c shaped cartilaginous rings deficient posteriorly
- Hyaline cartilage
- Trachealis muscle
- Annular ligament
- Membranous wall
- Microscopic Features
- mucous membrane
- mucous epithelium
- mucous glands
- hyaline cartilage
- Tracheal glands
- Dimensions
- 10 to 15 cm long
- Situation
- Upper half in neck
- Lower half in superior mediastinum
- Parts
- Cervical part
- Begins at
- Lower border of cricoid cartilage opposite C6 vertebra
- Relations
- Thoracic part
- Follows curvature of spine , runs downards
- Enters thorax in median plane
- Tracheal bifurcation
- Carina of trachea
Discussion