lotio. Latin for lotion or wash.
l. hydrargyri flava. Yellow mercurial wash.
l. hydrargyri nigra. Black mercurial wash. (Both of the above are used as applications to venereal sores).
l. plumbi et opii. Lead and opium wash. Applied to sprains and bruises.
luetic. Syphilitic.
luetin test. A skin test for the diagnosis of syphilis.
lumen. The space in the interior of a tubular structure, such as an artery.
lunula. The opaque, whitish, semi-lunar area near the root of the nail.
lymph. A clear yellow fluid found in the lymph spaces or lymphatic vessels of the body.
lymphangioma. New formation of lymphatic vessels.