Lacu´næ, n. pl. Certain small excavations in bone and in mucous membrane.
Lacus´trine, a. Lake-inhabiting.
Lamb´doid, a. L-shaped.
Lamel´la, n.; pl. lamellæ, Lam´ina, n.; pl. laminæ, A thin plate or scale; a plate-like process. The processes inside a duck’s bill are lamellæ; the individual barbs of a feather are laminæ.
Lam´ellate, Lam´inate, a. Having, or composed of, laminæ, or series of plates.
Lamelliros´tral, a. Having a lamellate bill.
Lamelliros´tres, n. pl. A group of lamellate-billed birds (the duck tribe).
Lan´ceolate, a. Lance-head shaped; tapering narrowly at one end, less so at the other.
Larynge´al, a. Pertaining to the larynx.
Lar´ynx, n. Adam’s-apple, hollow cartilaginous organ, a modification of the windpipe either at the top or bottom, but especially the former; the lower larynx being called Syrinx (which see).