Fig. 16.1. Inferior constrictor muscle of the pharynx and thyroid gland. Ultrasound Anatomy.
A - Anterior view. B - Transverse section. C - Pictogram. Horizontal line on the pictograms shows the level of trans-verse section. Numbers indicate anatomical structures in fig.16.1-16.4. Cartilago thyroidea - lamina sinistra (1), cartilago thyroidea - linea obliqua (2), musculus constrictor pharyngis inferior - pars thyropharyngea (3), musculus constrictor pharyngis inferior - pars cricopharyngea (4), cartilago cricoidea (5), glandula thyroidea - lobus sinister (6), oesophagus (7), cartilago thyroidea - cornu superius (8), cartilago thyroidea - cornu inferius (9).


Fig. 16.2. Inferior constrictor muscle of the pharynx and thyroid gland. A - Right lateral view. B - Transverse sec-tion. C - Pictogram.


Fig. 16.3. Inferior constrictor muscle of the pharynx and thyroid gland. A - Posterior view. B - Transverse section. C - Pictogram.



 
Fig.16.4. Schematic representation of transverse cutting of the fore-part of the neck at the level of the lower third of thy-roid cartilage.


 
Fig.16.5. Schematic representation of sagittal cutting of the neck.


Fig.16.6. Transverse echograms of the inferior constrictor muscle of the pharynx and thyroid gland. Schematic representations of the echograms.
Section No.1 - at the level of the lower border of thyroid cartilage.
Section No.2 - at the level of the cricothyroid articulation.