Page 350 - ACCCN's Critical Care Nursing

Respiratory Assessment and Monitoring 327

Epiglottis
Hyoid bone

Thyrohyoid membrane

Thyroid cartilage
Corniculate cartilage
Arytenoid cartilage
Cricohyoid ligament
Cricoid cartilage
Trachea

Corniculate cartilage
Muscular process
of arytenoid cartilage
Vocal process of
arytenoid cartilage
Cricoid cartilage
Vocal cords
Thyroid cartilage
Digastric
anterior belly
Epiglottis Mylohyoid Mastoid process
Hyoid bone Stylohyoid Digastric
Levator scapulae posterior belly
Superior horn of Longus capitis Scalenus medius
thyroid cartilage Omohyoid Thyrohyoid
Cricothyroid Thyroid cartilage
Thyroid cartilage Sternothyroid Sternohyoid
Corniculate cartilage Sternocleido-
Arytenoid cartilage Trapezius mastoid
Inferior horn of
thyroid cartilage
Cricoid cartilage
Clavicle
Trachea
A B Sternum Trachea
5
FIGURE 13.2 Larynx. (A) Cartilages and ligaments; (B) Neck muscles.

CONDUCTING AIRWAYS RESPIRATORY UNIT

BRONCHI, SUB- BRONCHIOLES ALVEOLAR
TRACHEA SEGMENTAL SEGMENTAL DUCTS,
BRONCHI BRONCHI Non- Respiratory ALVEOLI
respiratory

GENERATIONS 8 15 21-22 24 28

FIGURE 13.3 Lower airway branches. 5