exchangeability n. the ability to be used in different circ...
motor set preparatory adjustments or readiness to make a ce...
mimetic adj. relating to imitation, as in a young chimpanze...
bulbocavernosus muscle a muscle of the perineum in men and...
extensor n. a muscle whose contraction extends a part of th...
heterochrony n. 1. a difference in the rate of...