an event marking a unique or important historical change of course or one on which important developments depend
landmark
Noun
the position of a prominent or well-known object in a particular landscape
lanugo
Noun
the fine downy hair covering a human fetus
lentigo
Noun
a small brownish spot (of the pigment melanin) on the skin
liver spot
Noun
a type of skin disease that causes brown spots on the skin
lower respiratory tract smear
Noun
any of several cytologic smears obtained from different parts of the lower respiratory tract
limbus
Noun
a border or edge of any of various body parts distinguished by color or structure
lunate bone
Noun
one of the eight small wrist bones
locule
Noun
a small cavity or space within an organ or in a plant or animal
loculus
Noun
a small cavity or space within an organ or in a plant or animal
lumen
Noun
a cavity or passage in a tubular organ
lumen
Noun
a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
ligamentum teres uteri
Noun
ligament attached to the uterus on either side in front of and below the opening of the Fallopian tube and passing through the inguinal canal to the labia majora
long bone
Noun
in limbs of vertebrate animals: a long cylindrical bone that contains marrow
lower jaw
Noun
the jaw in vertebrates that is hinged to open the mouth
lower jawbone
Noun
the jaw in vertebrates that is hinged to open the mouth
lymphatic tissue
Noun
tissue making up the lymphatic system
lymphoid tissue
Noun
tissue making up the lymphatic system
lingua
Noun
a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity
levator
Noun
a muscle that serves to lift some body part (as the eyelid or lip)
left coronary artery
Noun
arises from the left aortic sinus
lateral rectus muscle
Noun
the ocular muscle whose contraction turns the eyeball outward
lateral rectus
Noun
the ocular muscle whose contraction turns the eyeball outward
lens capsule
Noun
a tenuous mesoblastic membrane surrounding the lens of the eye
lens of the eye
Noun
biconvex transparent body situated behind the iris in the eye
lens cortex
Noun
the tissue that surrounds the lens nucleus
lens nucleus
Noun
the central structure of the lens that is surrounded by the cortex
lacrimal gland
Noun
any of the glands in the eyes that secrete tears
lachrymal gland
Noun
any of the glands in the eyes that secrete tears
lacrimal duct
Noun
any of several small ducts that carry tears from the lacrimal glands
lachrymal duct
Noun
any of several small ducts that carry tears from the lacrimal glands
lacrimal sac
Noun
either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands
lacrimal bone
Noun
small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts
lien
Noun
a large dark-red oval organ on the left side of the body between the stomach and the diaphragm
lien
Noun
the right to take another's property if an obligation is not discharged
left gastric artery
Noun
a branch of the celiac artery that supplies the lesser curvature of the stomach and the abdominal part of the esophagus
labial vein
Noun
a vein draining the lips of the mouth
labial vein
Noun
veins draining the lips of the vulva
labyrinthine vein
Noun
veins that drain the inner ear
lacrimal vein
Noun
drains the lacrimal gland
labial artery
Noun
an artery that is a branch of the facial artery that supplies the lips of the mouth
laryngeal vein
Noun
one of two veins draining the larynx
left gastric vein
Noun
arises from a union of veins from the gastric cardia
lingual vein
Noun
a vein that receives blood from the tongue and the floor of the mouth and empties into the internal jugular or the facial vein
labyrinthine artery
Noun
an artery that is a branch of the basilar artery that supplies the labyrinth
lumbar vein
Noun
veins that drain the posterior body wall and the lumbar vertebral venous plexuses
lacrimal artery
Noun
an artery that originates from the ophthalmic artery and supplies the lacrimal gland and rectal eye muscles and the upper eyelid and the forehead
laryngeal artery
Noun
either of two arteries that supply blood to the larynx
lienal artery
Noun
an artery that originates from the celiac trunk and supplies blood to the spleen
lingual artery
Noun
an artery originating from the external carotid artery and supplying the under side of the tongue