In´volute (involutus, pp. involvere, to roll up), rolled inwards.

Isabel´line, of the color of soiled linen or sole leather; alutaceous; brownish-yellow, yellowish-gray.

La´biate (labiatus, lipped, < labium, lip), said of an aperture with distinct lip-like borders.

Labyrin´thine, Labyrin´thiform (labyrinthus, labyrinth), characterized by intricate and sinuous lines; like a labyrinth.

Lac´cate (laccatus, < lacca, lac), as if varnished or covered with a coat like sealing wax.

Lac´erate, Lac´erated, as if torn.

Lacin´iate (laciniatus, < lacinia, a lappet), divided into flaps; irregularly cut into jagged edges, more regular and larger than fimbriate.

Lactes´cent (lactescere, turn to milk), milk-bearing, provided with a milky juice.

Lacu´na (pl. Lacu´næ) (lacuna, a pit, hollow, cavity, etc.), a pit or hollow, a gap; a vacancy caused by the admission, loss or obliteration of something necessary to continuity or completeness.

Lacu´nose, Lacu´nous (lacunosus, full of hollows, < lacuna, a pit), marked with small hollows, pitted; having or full of lac.