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Directory of Diseases (L)


LABYRINTHITIS - inflammation, purulent or non-purulent, of the inner ear (ear labyrinth) with diffuse or limited lesion of the peripheral parts of the sound and vestibular analyzers. On etiology distinguish ... more

LYME DISEASE (synonym: lime borreliosis, tick-borne borreliosis) is an infectious transmissible natural focal disease that occurs with damage to the skin, nervous system, musculoskeletal system and heart. Pathogen —... more

LACTATION - the allocation of milk by the mammary gland. From the 2-3rd month of pregnancy, hyperplasia of the glandular tissue of the mammary gland and the secretion of it begin; there is an 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, flu, scarlet fever, pertussis, etc., and also occurs as an independent disease in ... more

Laryngospasm - a sudden paroxysmal convulsive spasm of the muscles of the larynx, causing a narrowing or complete closure of the glottis. At the heart of laryngospasm is an increase in the excitability of neuromuscular ... more

Laryngostenosis - obstruction or persistent narrowing of the lumen of the larynx, leading to difficulty or complete loss of its patency for air. Congenital laryngostenosis can be caused by an enlarged thymus gland, ... more

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

PULMONARY BLEEDING - the release of blood into the lumen of the bronchi with its subsequent coughing ... more

Leukemia - a tumor from hematopoietic cells, affecting the bone marrow with the displacement of normal sprouts of hematopoiesis, as well as other organs and tissues. Acute leukemia is characterized by an increase in the number of blast, or ... more

LEUKOMA - see Belmo

Leukopenia - a decrease in the number of white blood cells 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, cirrhosis of the liver, malaria, leishmaniasis, ... more

Leukoplakia - damage to the mucous membranes, characterized by keratinization of the integumentary epithelium. It is often localized on the mucous membranes of the oral cavity, vagina, bladder, as well as on the cervix and penis .... more

LEukocytosis - an increase in the number of white blood cells in the blood more than 10,000 in 1 μl, or 10 • 109 / l. It arises as a result of increased leukocytopoiesis or with redistribution of leukocytes in the body. Distinguish between physiological and ... more

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

SKIN LEISHMANIOSIS - a transmissible protozoal disease with limited skin damage, ulceration and subsequent scarring. There are late ulcerative leishmaniasis (Ashgabat, one year old) and early ulcerative leishmaniasis ... more

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

LEPTOSPIROSIS is an acute infectious disease characterized by fever, damage to the kidneys, liver, and nervous system. The causative agent - leptospira - have the form of thin movable spirals; stored for a long time in water and ... more

LETARGIA - a state of pathological sleep, accompanied by a weakening of the physiological manifestations of life, a significant decrease in metabolism, depression or a complete lack of reaction to irritations. In the lungs ... more

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

Lymphadenitis - inflammation of the lymph nodes. Acute lymphadenitis almost always occurs as a complication of the local focus of infection - a boil, an infected wound or abrasion, etc. Pathogens (more often staphylococci) ... more

Lymphangiitis - 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

LYMPHORETICULOSIS BENEFICIAL ( synonym : cat scratch disease, felinosis) - an infectious disease that occurs in persons scratched or bitten by a cat, and most often manifested by fever and inflammation of the regional lymph nodes .... more

LIPOMA is a benign tumor originating from adipose tissue. More often located in the subcutaneous tissue of the back, neck, proximal limbs. Often there are multiple lipomas. Usually it is ... more

FEVER - elevated body temperature (over 37 ° C) that occurs as a protective and adaptive reaction in infectious and many other diseases or as a manifestation of thermoregulatory disorders in the pathology of the nervous ... more

FACIAL PAIN. Common causes of facial pain are trigeminal neuralgia, temporomandibular joint syndrome, diseases of the teeth, paranasal sinuses, glaucoma. Trigeminal neuralgia is characterized by ... more

FALSE PREGNANCY ( synonym : imaginary pregnancy) is a pathological condition that can develop as a result of self-hypnosis in women who are passionate about becoming pregnant or who have an excessive fear of a possible ... more

FALSE JOINT ( synonym : pseudoarthrosis) - a persistent violation of the continuity of the bone, causing pathological mobility of its segments. It is usually a complication of a bone fracture (more often - open or gunshot). At the heart of ... more

LORDOSIS - a bend of the spine directed by the bulge anteriorly. Moderately expressed lordosis of the cervical and lumbar spine is physiological and is formed during the first year of a child's life in ... more

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

LYUMBAGO ( synonym : 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 ... more

Giardiasis is a protozoan invasion characterized by impaired function of the small intestine or (more often) asymptomatic carriage of the pathogen. It is found everywhere. The causative agent is Giardia (Lamblia intestinalis); exists in ... more