| Jaw prehension is common in aquatic frogs, often in combination with abortive tongue protraction, but suction feeding is present only in pipids. |
| Such mathematical protraction excites the studious poker mind of the Wimbledon manager. |
| In actuality, the massive pectoralis muscle not only depresses the wing but also provides a retractive force to resist protraction. |
| Hydrostatic elongation of the tongue involves narrowing of the tongue vertically and consequent lengthening and protraction from the mouth. |
| Another role of the scapula involves retraction and protraction along the thoracic wall. |
| He made blueprints premised on surprise and an almost perverse protraction of pleasure. |
