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Glossary of Pathology Terms
beginning with letter L
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lacerate Tweet Definition of lacerate Like Definition of lacerate on Facebook
verb (lacerat, ing)
  1. To tear, rip or wound.
laceration Tweet Definition of laceration Like Definition of laceration on Facebook
  1. An irregular open wound caused by a blunt impact to soft tissue.
The doctor sewed up the in his arm.
larval Tweet Definition of larval Like Definition of larval on Facebook
  1. the state of or being a larva
laryngitis Tweet Definition of laryngitis Like Definition of laryngitis on Facebook
  1. An inflammation of the larynx, typically resulting in hoarseness.
Lassa fever Tweet Definition of Lassa fever Like Definition of Lassa fever on Facebook
  1. (disease) An acute, and often fatal, viral infection endemic to West Africa. Symptoms include fever, sore throat, muscle aches, a skin rash, headache, abdominal pain, vomiting, diarrhoea, ulcers, heart and kidney failure.
lassitude Tweet Definition of lassitude Like Definition of lassitude on Facebook
  1. Lethargy or lack of energy; fatigue.
  2. listlessness, Listlessness or languor.
latent Tweet Definition of latent Like Definition of latent on Facebook
  1. existing or present but concealed or inactive
leishmaniasis Tweet Definition of leishmaniasis Like Definition of leishmaniasis on Facebook
noun (plural leishmaniases)
  1. (pathology) An ulcerative skin disease caused by any of the protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandfly, sandflies.
leper Tweet Definition of leper Like Definition of leper on Facebook
  1. A person who has leprosy.
  2. A person who is shunned; a pariah.
leprosy Tweet Definition of leprosy Like Definition of leprosy on Facebook
noun (lepros, ies)
  1. (disease) An infectious disease caused by infection by Mycobacterium leprae.
  2. In the Bible, a disease of the skin not conclusively identified, which can also affect clothes and houses.
leprous Tweet Definition of leprous Like Definition of leprous on Facebook
  1. Relating to the disease leprosy.
  2. Appearing decayed, having the appearance of infection by leprosy.
lesion Tweet Definition of lesion Like Definition of lesion on Facebook
  1. A wound or an injury.
  2. An infected or diseased patch of skin.
lethargy Tweet Definition of lethargy Like Definition of lethargy on Facebook
noun (lethargies)
  1. A state of fatigue, sluggishness and inactivity
  2. A state of apathy with lack of emotion or interest
  3. A state of comatose torpor (as found in sleeping sickness)
leukemia Tweet Definition of leukemia Like Definition of leukemia on Facebook
  1. (context, US, oncology, pathology) Group of cancers of the blood-forming tissues.
leukopenia Tweet Definition of leukopenia Like Definition of leukopenia on Facebook
  1. (medicine) an abnormally low count of leukocytes in the blood
lichen Tweet Definition of lichen Like Definition of lichen on Facebook
  1. Any of many symbiotic organisms, being associations of fungi and algae; often found as white or yellow patches on old walls, etc.
limp Tweet Definition of limp Like Definition of limp on Facebook
  1. An irregular, jerky or awkward gait
  2. A scraper for removing poor ore or refuse from the sieve
  1. (intransitive) To walk lamely, as if favouring one leg. Also used figuratively.
  2. (context, poker slang, intransitive) To call.
  1. Flaccid; flabby, as flesh.
  2. Lacking stiffness; flimsy; as, a limp cravat.
lithic Tweet Definition of lithic Like Definition of lithic on Facebook
  1. Of or pertaining to stone; as, lithic architecture.
  2. (chemistry) of, or relating to lithium
liver Tweet Definition of liver Like Definition of liver on Facebook
  1. (anatomy) A large organ in the body that stores and metabolizes nutrients, destroys toxins and produces bile. Responsible for thousands of biochemical reactions.
  2. This livestock organ used as food.
  3. (color) A dark brown colour, tinted with red and gray, like that of liver.
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adjective (the noun as a modifier)<br>
(no (compar) or (superl) forms)
  1. Concerning or relating to the liver.
liver transplant
  1. Intended for the liver.
liver salts
  1. Of food, made of liver.
liver pí¢té
lordosis Tweet Definition of lordosis Like Definition of lordosis on Facebook
noun (lordoses)
  1. (pathology) An excessive curvature of the spine, causing a hollow in the back.
Lou Gehrig's disease Tweet Definition of Lou Gehrig Like Definition of Lou Gehrig
  1. (disease) amyotrophic lateral sclerosis, Amyotrophic lateral sclerosis, a form of motor neuron disease.
lumbago Tweet Definition of lumbago Like Definition of lumbago on Facebook
  1. (pathology) Backache of the lumbar region or lower back, which can be caused by muscle strain or a slipped disk.
lump Tweet Definition of lump Like Definition of lump on Facebook
  1. Something that protrudes, sticks out, or sticks together; a cluster or blob; a mound, hill, or group.
    Stir the gravy until there are no more lumps.
  2. A group, set, or unit.
    The money arrived all at once as one big sum payment.
  1. To treat as a single unit; to group together.
    People tend to turtles and tortoises together, when in fact they are different creatures.
Lupus Tweet Definition of Lupus Like Definition of Lupus on Facebook
proper noun 
  1. (constellation) A summer constellation of the northern sky, said to resemble a wolf. It lies south of the constellation Libra.
Lyme disease Tweet Definition of Lyme disease Like Definition of Lyme disease on Facebook
  1. (disease) Infection by a bacterium of the genus Borrelia which is transmitted by ticks. Symptoms include a rash followed by fever, joint pain, and headaches.
lymphoma Tweet Definition of lymphoma Like Definition of lymphoma on Facebook
noun (pl=lymphomata, pl2=lymphomas)
  1. (context, oncology, pathology) A malignant tumor that arises in the lymph nodes or in other lymphoid tissue.
lymphosarcoma Tweet Definition of lymphosarcoma Like Definition of lymphosarcoma on Facebook
  1. (medicine) A diffuse malignant lymphoma.

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