0 any snake that kills animals and birds by wrapping itself around them and crushing them -- （将猎物卷缠绞死的）蟒，大蛇
1 a muscle that makes a part of the body narrower -- 缩肌
Therefore, boa constrictors are not on the list either.
An active state of peripheral vasodilation, whether through decreased constrictor sensitivity or enhanced dilator synthesis thus provides the most obvious explanation for a fall in peripheral resistance.
Direct observation reveals how the tongue operates in conjunction with the laryngeal constrictor mechanism to change vowel quality.
The upheaval in its structures and the dimensions of what it is about to absorb will make it a constitutional boa constrictor.
We were told that the bore of the snake would be larger than that of the old snake—it would be quite a boa constrictor of a snake.
The primary muscle of the upper esophageal sphincter is the cricopharyngeus portion of the inferior pharyngeal constrictor.
Such predators include jaguars, ocelots, tayras, boa constrictors, caimans, and collared peccaries.
The flap consists of mucosa and the superior pharyngeal constrictor muscle.
