Additional pages

hemaglutinace – testy inhibice

Serologic tests in which a known quantity of antigen is added to the serum prior to the addition of a red cell suspension. Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination.
MSH

Agglutination, Hemagglutination inhibition


HL7V3.0

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hemaglutinace – testy

Sensitive tests to measure certain antigens, antibodies, or viruses, using their ability to agglutinate certain erythrocytes. (From Stedman, 26th ed)
MSH

sensitive test to measure certain antigens, antibodies, or viruses, using their ability to agglutinate certain erythrocytes.
CSP

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hemaglutinace virová

Agglutination of ERYTHROCYTES by a virus.
MSH

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hemaglutininy

Agents that cause agglutination of red blood cells. They include antibodies, blood group antigens, lectins, autoimmune factors, bacterial, viral, or parasitic blood agglutinins, etc.
MSH

group of agents that cause agglutination of red blood cells; they include antibodies, blood group antigens, lectins, autoimmune factors, and bacterial, viral, or parasitic blood agglutinins.
CSP

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hemaglutininy virové

Specific hemagglutinin subtypes encoded by VIRUSES.
MSH

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hemangioendoteliom

A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels. Hemangioendotheliomas are relatively rare and are of intermediate malignancy (between benign hemangiomas and conventional angiosarcomas). They affect men and women about equally and rarely develop in childhood. (From Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1866)
MSH

A vascular proliferation characterized by the presence of prominent endothelial cells and the formation of vascular channels. Hemangioendotheliomas may display borderline or low grade characteristics.
NCI

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hemangiom

A vascular anomaly due to proliferation of BLOOD VESSELS that forms a tumor-like mass. The common types involve CAPILLARIES and VEINS. It can occur anywhere in the body but is most frequently noticed in the SKIN and SUBCUTANEOUS TISSUE. (from Stedman, 27th ed, 2000)
MSH

extremely common benign tumor, occurring most commonly in infancy and childhood, made up of newly formed blood vessels, and resulting from malformation of angioblastic tissue of fetal life; can occur anywhere in the body but is most frequently noticed in the skin and subcutaneous tissues.
CSP

a benign tumor of the blood vessels that appears on skin
CHV

benign tumors that are made up of small blood vessels.
CHV

a benign tumor of the blood vessels that appears on skin
CHV

benign tumors that are made up of small blood vessels.
CHV

A benign skin lesion consisting of dense, usually elevated masses of dilated blood vessels
CHV

a benign tumor of the blood vessels that appears on skin
CHV

A benign localized vascular neoplasm usually occurring in infancy and childhood. It is characterized by the formation of capillary-sized or cavernous vascular channels. The majority of cases are congenital.
NCI

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hemangiom kavernózní

A vascular anomaly that is a collection of tortuous BLOOD VESSELS and connective tissue. This tumor-like mass with the large vascular space is filled with blood and usually appears as a strawberry-like lesion in the subcutaneous areas of the face, extremities, or other regions of the body including the central nervous system.
MSH

A hemangioma characterized by the presence of cavernous vascular spaces.
NCI

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hemangiopericytom

A tumor composed of spindle cells with a rich vascular network, which apparently arises from pericytes, cells of smooth muscle origin that lie around small vessels. Benign and malignant hemangiopericytomas exist, and the rarity of these lesions has led to considerable confusion in distinguishing between benign and malignant variants. (From Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1364)
MSH

A type of cancer involving blood vessels and soft tissue.
NCI

A mesenchymal tumor composed of dilated vascular spaces (some with a staghorn or bifed shape) throughout. The individual tumor cells are surrounded by reticulin everywhere, are negative for muscle, nerve sheath, and epithelial markers, and are positive for CD34 and CD99. The biologic behavior of hemangiopericytoma cannot always be predicted from the morphologic features. The 5- and 10-year survival rates of malignant hemangiopericytomas have been reported to be 40% and 29% respectively (partially adapted from S. Sternberg`s Diagnostic Surgical Pathology, 4th ed., 2004).
NCI

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hemangiosarkom

A rare malignant neoplasm characterized by rapidly proliferating, extensively infiltrating, anaplastic cells derived from blood vessels and lining irregular blood-filled or lumpy spaces. (Stedman, 25th ed)
MSH

malignant neoplasm arising from vascular endothelial cells; the term may denote a specific histologic subtype, usually hemangiosarcoma, but also others such a lymphangiosarcoma or hemangiopericytoma.
CSP

A type of cancer that begins in the cells that line blood vessels.
NCI

A malignant tumor composed of cells that recapitulate the morphologic and functional features of normal endothelium.
NCI

A malignant tumor arising from the endothelial cells of the blood vessels. Microscopically, it is characterized by frequently open vascular anastomosing and branching channels. The malignant cells that line the vascular channels are spindle or epithelioid and often display hyperchromatic nuclei. Angiosarcomas most frequently occur in the skin and breast. Patients with long-standing lymphedema are at increased risk of developing angiosarcoma.
NCI

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hemartróza

Bleeding into the joints. It may arise from trauma or spontaneously in patients with hemophilia.
MSH

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HEMATEMESIA/ODOL GOITIKOA

Vomiting of blood that is either fresh bright red, or older “coffee-ground” in character. It generally indicates bleeding of the UPPER GASTROINTESTINAL TRACT.
MSH

Vomiting blood.
NCI

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hematinika

Agents which improve the quality of the blood, increasing the hemoglobin level and the number of erythrocytes. They are used in the treatment of anemias.
MSH

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hematokela

Hemorrhage into a canal or cavity of the body, such as the space covered by the serous membrane (tunica vaginalis) around the TESTIS leading to testicular hematocele or scrotal hematocele.
MSH

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hematochezie

The passage of bright red blood from the rectum. The blood may or may not be mixed with formed stool in the form of blood, blood clots, bloody stool or diarrhea.
MSH

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hematokolpos

A blood-filled VAGINA that is obstructed.
MSH

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hematokrit

The volume of packed RED BLOOD CELLS in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, ANEMIA shows a low value; POLYCYTHEMIA, a high value.
MSH

A measure of the volume of red blood cells expressed as a percentage of the total blood volume. Normal in males is 43-49%, in females 37-43%.
NCI

The percentage of a whole blood specimen that is composed of red blood cells (erythrocytes).
NCI

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hematologické látky

Drugs that act on blood and blood-forming organs and those that affect the hemostatic system.
MSH

biologically active substance intended for use in diagnosis, treatment, or prevention of blood disorders.
CSP

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krevní nemoci

Disorders of the blood and blood forming tissues.
MSH

condition in which there is a deviation from or interruption of the normal structure or function of the blood and blood forming tissues.
CSP

determination of a blood disorder based on symptoms, medical history, risk factors, and clinical tests.
CSP

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hematologické testy

tests used in the analysis of the hemic system.
CSP

A laboratory test that has blood as its specimen.
NCI

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hematologie

A subspecialty of internal medicine concerned with morphology, physiology, and pathology of the blood and blood-forming tissues.
MSH

subspecialty of internal medicine concerned with morphology, physiology, and pathology of the blood and blood-forming tissues; for thorough searching, see all RTs and similar alpha strings.
CSP

The branch of medicine that deals with the blood and blood-forming organs and the diseases thereof.
NCI

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hematom

A collection of blood outside the BLOOD VESSELS. Hematoma can be localized in an organ, space, or tissue.
MSH

A localized collection of blood, usually clotted, in an organ, space, or tissue, due to a break in the wall of a blood vessel.
NCI

A disorder characterized by a localized collection of blood, usually clotted, in an organ, space, or tissue, due to a break in the wall of a blood vessel.
NCI

A pool of clotted or partially clotted blood in an organ, tissue, or body space, usually caused by a broken blood vessel.
NCI

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hematom subdurální

Accumulation of blood in the SUBDURAL SPACE between the DURA MATER and the arachnoidal layer of the MENINGES. This condition primarily occurs over the surface of a CEREBRAL HEMISPHERE, but may develop in the spinal canal (HEMATOMA, SUBDURAL, SPINAL). Subdural hematoma can be classified as the acute or the chronic form, with immediate or delayed symptom onset, respectively. Symptoms may include loss of consciousness, severe HEADACHE, and deteriorating mental status.
MSH

Cerebral hemorrhage into the subdural space. See also Stroke Syndrome.
NCI

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hematometra

Blood-filled UTERUS.
MSH

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hematopoéza

The development and formation of various types of BLOOD CELLS. Hematopoiesis can take place in the BONE MARROW (medullary) or outside the bone marrow (HEMATOPOIESIS, EXTRAMEDULLARY).
MSH

formation and development of blood cells.
CSP

The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates. [GOC:dgh, ISBN:0198506732 “Oxford Dictionary of Biochemistry and Molecular Biology”]
GO

A process of blood formation and more specifically formation of blood cells that are all derived from hematopoietic stem cells.
NCI

The formation of new blood cells.
NCI

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hematopoéza extramedulární

The formation and development of blood cells outside the BONE MARROW, as in the SPLEEN; LIVER; or LYMPH NODES.
MSH

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hematopoetické kmenové buňky

Progenitor cells from which all blood cells derive.
MSH

progenitor cells from which all blood cells derive; a cell that can renew itself, can differentiate to a variety of specialized cells, can mobilize out of the bone marrow into circulating blood, and can undergo apoptosis.
CSP

Primitive blood cells derived from embryonic mesenchyme capable of differentiating into any of the blood cell line progenitor cells (erythroblasts, young granulocytic series cells, megakaryocytes, etc.)
NCI

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hematopoetický systém

The bodily system of organs and tissues, primarily the bone marrow, spleen, tonsils, and lymph nodes, involved in the production of blood.
NCI

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hematoporfyrinová fotoradiace

Photochemotherapy using visible light, usually red, topically or delivered locally by fiberoptic probe to tissues sensitized with hematoporphyrins.
MSH

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hematoporfyriny

Iron-free derivatives of heme with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. Some of these PHOTOSENSITIZING AGENTS are used in the PHOTOTHERAPY of malignant NEOPLASMS.
MSH

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