kneading. To work and press into a mass.

knee. Articulation between femur and tibia covered in front by the patella.

knee-jerk. Patellar reflex.

L

lacerated. Torn.

lacuna. A small gap or hollow space.

lacuna, osseous. A space in the Haversian system occupied by bone-corpuscle.

lacunar resorption. Absorption of lacunae.

lamella. One of the plates forming the Haversian system of bone.

lancet. A surgical knife with a two-edged blade.