Lar' va, (1) the early form of an animal when it is unlike the parent, or undergoes a metamorphosis; (2) the first stage of postembryonic development.
Lat' er al, (1) situated to one side of the median plane; (2) situated in the region of the hinge in a bivalve shell.
Lep i dop' te ra, butterflies and moths.
Lig' a ment, a strong band or cord binding two structures together.
Lin' gual, pertaining to the tongue.
Lip, any structure that bounds an orifice.
Mam' mal, vertebrates with a covering of hair or fur.
Man' di ble, a jaw or a jaw-like mouth-part.
Man' tle, folds of skin covering the body of a bivalve.
Masking, the covering of an animal by some object so as to hide its identity.