Dictionary

All Word
lumbar artery Noun one of four or five pairs of arteries that originate in the abdominal aorta and supply the lumbar vertebrae and the back muscles and abdominal wall
left atrium Noun the left upper chamber of the heart that receives blood from the pulmonary veins
lymph Noun a thin coagulable fluid (similar to plasma but) containing white blood cells (lymphocytes) and chyle
lymphatic system Noun the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body
lymph vessel Noun a vascular duct that carries lymph which is eventually added to the venous blood circulation
lymphatic vessel Noun a vascular duct that carries lymph which is eventually added to the venous blood circulation
liquid body substance Noun the liquid parts of the body
lung Noun either of two saclike respiratory organs in the chest of vertebrates
lobe of the lung Noun any of the three lobes of the right lung or the two lobes of the left lung
leaflet Noun a thin triangular flap of a heart valve
leaflet Noun a small book usually having a paper cover
leaflet Noun part of a compound leaf
long saphenous vein Noun the longest vein in the body
left ventricle Noun the chamber on the left side of the heart that receives arterial blood from the left atrium and pumps it into the aorta
lysosome Noun an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
linin Noun an obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended
liothyronine Noun thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity
lacrimal secretion Noun saline fluid secreted by lacrimal glands
lachrymal secretion Noun saline fluid secreted by lacrimal glands
lacrimal apparatus Noun the structures that secrete and drain tears from the eye
lethal gene Noun any gene that has an effect that causes the death of the organism at any stage of life
lesser peritoneal cavity Noun an isolated part of the peritoneal cavity that is dorsal to the stomach
linkage group Noun any pair of genes that tend to be transmitted together
linked genes Noun any pair of genes that tend to be transmitted together
lochia Noun substance discharged from the vagina (cellular debris and mucus and blood) that gradually decreases in amount during the weeks following childbirth
lesser omentum Noun a part of the peritoneum attached to the stomach and liver and supporting the hepatic vessels
lymph node Noun the source of lymph and lymphocytes
lymph gland Noun the source of lymph and lymphocytes
leukorrhea Noun discharge of white mucous material from the vagina
leucorrhea Noun discharge of white mucous material from the vagina
lateral epicondyle Noun epicondyle near the lateral condyle of the femur
lymphoblast Noun an immature lymphocyte
lemniscus Noun a bundle of sensory nerve fibers going to the thalamus
left hemisphere Noun the cerebral hemisphere to the left of the corpus callosum that controls the right half of the body
left brain Noun the cerebral hemisphere to the left of the corpus callosum that controls the right half of the body
leukocyte Noun blood cells that engulf and digest bacteria and fungi
leucocyte Noun blood cells that engulf and digest bacteria and fungi
lymphocyte Noun an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
lymph cell Noun an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
lateral condyle Noun a condyle on the outer side of the lower extremity of the femur
lateral geniculate Noun a neural structure that serves as a processing station on the way from the retina to the occipital lobe of the cerebral cortex
limbic system Noun a system of functionally related neural structures in the brain that are involved in emotional behavior
limbic brain Noun a system of functionally related neural structures in the brain that are involved in emotional behavior
locus niger Noun a layer of deeply pigmented grey matter in the midbrain
lower respiratory tract Noun the bronchi and lungs
language area Noun a large cortical area (in the left hemisphere in most people) containing all the centers associated with language
language zone Noun a large cortical area (in the left hemisphere in most people) containing all the centers associated with language
lateral ventricle Noun either of two horseshoe-shaped ventricles one in each cerebral hemisphere
leptomeninges Noun the two innermost layers of the meninges
lobule Noun a small lobe or subdivision of a lobe