Pupillary size is controlled by the action of the constrictor and dilator smooth muscles of the iris. |
A thickened band at the caudal extremity of the inferior pharyngeal constrictor forms the upper esophageal sphincter, or cricopharyngeus muscle. |
The cartridge shot out and hit him in the face, breaking his nose, and the power cord wrapped itself like a constrictor around his neck. |
It actually belongs to the python family, boa constrictor, which is non-venomous. |
In addition to supplying the inferior constrictor muscle of the pharynx, the nerve may supply the cricothyroid muscle. |
Included are those fibers joining the inferior constrictor of the pharynx to the thyroid gland. |