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Handbook of Diseases (L)


Labyrinth - inflammation, purulent or nonpurulent, of the inner ear (labyrinth) with diffuse or limited damage to the peripheral parts of the sonic and vestibular analyzers. According to etiology distinguish ... more

LYMA DISEASE (syn.: Lyme borreliosis, tick-borne borreliosis) is an infectious transmissible natural-focal disease occurring with damage to the skin, nervous system, musculoskeletal system and heart. Pathogen —... more

LACTATION - milk secretion by the mammary gland. Already from the 2nd — 3rd month of pregnancy, hyperplasia of the glandular tissue of the mammary gland begins and its secretion begins; expansion and proliferation of milk ducts and ... more

LARYNGITIS - inflammation of the mucous membrane of the larynx. Acute laryngitis can be a manifestation of acute respiratory disease, influenza, scarlet fever, whooping cough, etc., and also occurs as an independent disease with ... more

LARINGOSPASM - a sudden arising paroxysmal spasm of the muscles of the larynx, causing narrowing or complete closure of the glottis. The basis of laryngism is the increase in neuromuscular excitability ... more

LARYNGOSTENOSIS - obturation or persistent narrowing of the lumen of the larynx, leading to difficulty or complete loss of air permeability. Congenital laryngostenosis may be due to an enlarged thymus, ... more

LEGIONELLOSE (syn.: Legionnaires' disease) is an acute infectious disease characterized by the development of pneumonia, damage to the central nervous system, gastrointestinal tract, kidneys. The causative agent is gram-negative ... more

Pulmonary hemorrhage - the release of blood into the lumen of the bronchi, followed by its coughing ... more

LEUKEMIA - a tumor from hematopoietic cells that affects the bone marrow with the replacement of normal hemopoiesis sprouts, as well as other organs and tissues. Acute leukemias are characterized by an increase in the number of blast cells, or ... more

LEIKOMA - see Belmo

LEUKOPENIA - decrease in the number of leukocytes in the blood (less than 4000 in 1 μl, or 4.0-109 / l). It is observed in typhoid fever, brucellosis, influenza, polio, viral hepatitis, liver cirrhosis, malaria, leishmaniasis, ... more

LEUKOPLAKIA - a lesion of the mucous membranes, characterized by keratinization of the integumentary epithelium. More often localized on the mucous membranes of the mouth, vagina, bladder, as well as on the cervix and penis .... more

Leukocytosis - an increase in the number of leukocytes in the blood of more than 10,000 in 1 μl, or 10 • 109 / l. Occurs as a result of increased leukocytopoiesis, or with the redistribution of leukocytes in the body. There are physiological and ... more

LEISMANIOSIS VISCERAL - a transmissible parasitic disease characterized by a chronic course, a wave-like fever, hepatosplenomegaly, pancytopenia. Indian kala-azar, Mediterranean visceral are distinguished ... more

LEUSHMANIOSIS OF THE SKIN - a transmissible protozoal disease with limited skin lesions, ulceration and subsequent scarring. Distinguish lately leptomania leishmaniasis (Ashkhabadka, godovik) and early ulcerative leishmaniasis ... more

LEPRA (syn .: leprosy) is a low-contagious chronic infectious disease characterized by lesions of the skin, visible mucous membranes, peripheral nervous system and internal organs. Pathogen —... more

LEPTOSPIROZ - an acute infectious disease characterized by fever, kidney damage, liver, nervous system. The causative agent - leptospira - have the form of thin moving spirals; for a long time they are stored in water and ... more

LETARGY - a state of pathological sleep, accompanied by a weakening of the physiological manifestations of life, a significant decrease in metabolism, inhibition or a complete lack of response to irritation. In the lungs ... more

LIQUORIALS - the outflow of cerebrospinal fluid (CSF) from the nose, ear, wound holes, and other defects of the skull or spine, associated with damage to the dura mater. Flowing liquid, like ... more

LYMPHADENITIS - inflammation of the lymph nodes. Acute lymphadenitis almost always arises as a complication of a local focus of infection — a boil, an infected wound or abrasion, and others. Infectious agents (usually staphylococcus) ... more

Lymphatic - inflammation of the lymphatic vessels. Acute lymphangitis often occurs as a complication of purulent-inflammatory diseases of the extremities (infected wounds and abrasions, boils, panaritium, phlegmon, etc.) .... more

Lymphoreticular benign ( synonym : cat scratch disease, felenosis) - an infectious disease that occurs in people scratched or bitten by a cat, and most often manifested by fever and inflammation of regional lymph nodes .... more

LIPOMA is a benign tumor emanating from adipose tissue. Most often located in the subcutaneous tissue of the back, neck, proximal limb. Often there are multiple lipomas. Usually this ... more

FEVER - elevated body temperature (above 37 ° C), occurring as a protective-adaptive response in infectious and many other diseases or as a manifestation of thermoregulation disorders in the pathology of the nervous ... more

FACIAL PAIN. Common causes of facial pain are trigeminal neuralgia, temporomandibular joint syndrome, dental disease, paranasal sinuses, and glaucoma. Neuralgia of the trigeminal nerve is characterized ... more

FALSE PREGNANCY (syn .: imaginary pregnancy) - a pathological condition that can develop as a result of self-hypnosis in women who are eager to get pregnant or are in excessive fear of a possible ... more

FALSE JACK (syn .: pseudarthrosis) is a persistent disruption of bone continuity that causes the pathological mobility of its segments. It is usually a complication of a bone fracture (usually open or fire). At the heart ... more

LORDOZ - the bend of the spine, directed by a bulge anteriorly. A moderately pronounced lordosis of the cervical and lumbar spine is physiological and is formed during the first year of a child's life in ... more

RADIATED DISEASE arises as a result of exposure to the human body ionizing radiation. The clinical manifestations of the disease depend on the total dose of radiation, as well as on its distribution in time and in the human body .... more

LUMBAGO (syn .: lumbago) - a sudden sharp pain in the lumbar region and tonic tension of the lumbar muscles, most often caused by osteochondrosis of the lumbar intervertebral discs. With dystrophic ... read more

LYAMBLIOSIS is a protozoal invasion characterized by dysfunction of the small intestine or (more often) asymptomatic carrier of the pathogen. It occurs everywhere. The causative agent is lamblia (Lamblia intestinalis); exists in ... more