Fig. 14.1 Trachea and thyroid gland. Ultrasound Anatomy. A - Anterior view. B - Transverse section. C - Picto-gram. Horizontal line on the pictogram shows the level of transverse section. Numbers indicate anatomical structures in fig.14.1-14.4. Cartilago thyroidea (1), cartilago cricoidea (2), glandula thyroidea - lobus sinister (3), trachea (4), ligamen-tum cricotracheale (5), cartilagines tracheales (6), ligg. anularia trachealia (7), musculus trachealis (8).


Fig. 14.2. Trachea and thyroid gland. A - Right lateral view. B - Transverse section. C - Pictogram.


Fig. 14.3. Trachea and thyroid gland. A - Posterior view. B - Transverse section. C - Pictogram.



 
Fig.14.4. Section of trachea and thyroid gland. Frontal plane.
Musculus constrictor pharyngis inferior (1), cartilago thyroidea - lamina (2), cartilago cricoidea - arcus (3), trachea (4), glandula thyroidea - lobus sinister (5), ligamentum cricotracheale (6), cartilagines tracheales (7), ligg.anularia trachealia (8).
 




Fig.14.5. Transverse echograms of the anterior neck at the level of the trachea and their schematic representa-tions. Normal.
Section No.1 - at the level of the cricotracheal ligament.
Section No.2 - at the level of the 3rd tracheal cartilage.
Section No.3 - at the level of the trachea annular ligament.