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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

haematogenous metastasis
See: metastasis. ... (05 Mar 2000) ...

haematogenous osteitis
Any osteitis caused by infection carried in the bloodstream. ... (05 Mar 2000) ...

haematogenous pigment
A pigment derived from the haemoglobin of the red blood cells. ... (05 Mar 2000) ...

haematohistioblast
Synonym for haemohistioblast ... A primitive mesenchymal cell believed to be capable of developing into all types of blood cells, including monocytes, and into histiocytes. ... Synonym: Ferrata's cell, haematohistioblast. ... Origin: haemo-+ G. Histion, web, + blastos, germ ... (05 Mar 2000) ...

haematohiston
Synonym for globin ... <protein> The polypeptide moiety of haemoglobin. In the adult human the haemoglobin molecule has two _ (141 residues) and two _ (146 residues) globin chains. ... (18 Nov 1997) ...

haematoidin
<haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. ... (09 Oct 1997) ...

haematoidin crystals
Synonym for haematoidin ... <haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. ... (09 Oct 1997) ...

haematologic agents
Drugs that act on blood and blood-forming organs and those that affect the haemostatic system. ... (12 Dec 1998) ...

haematologic tests
Tests used in the analysis of the hemic system. ... (12 Dec 1998) ...

haematological
<haematology> Relating to haematology, that is that branch of medical science which studies the morphology of the blood and blood forming tissues. ... (18 Nov 1997) ...

haematologist
<specialist> A doctor who specialises in the treatment of blood diseases. ... (12 May 1997) ...

haematology
<study> The study of the morphology of the blood and blood forming tissues. ... (18 Nov 1997) ...

haematolymphangioma
<oncology, tumour> A tumour which is made up of lymph vessels and blood vessels. ... (09 Oct 1997) ...

haematolysis
Synonym for haemolysis ... <haematology> Disruption of the integrity of the red cell membrane causing release of haemoglobin. ... Haemolysis may be caused by bacterial haemolysins, by antibodies that cause complement dependent lysis, by placing red cells in a hypotonic solution or by defects in the red cell membrane. ... Origin: Gr. Lysis = diss …

haematolytic
Synonym for haemolytic ... Destructive to blood cells, resulting in liberation of haemoglobin. ... Synonym: haematolytic, haemotoxic, haematotoxic, haematoxic. ... (05 Mar 2000) ...

haematoma
<haematology, pathology> A localised collection of blood, usually clotted, in an organ, space or tissue, due to a break in the wall of a blood vessel. ... (18 Nov 1997) ...

haematoma, epidural
Accumulation of blood in the epidural space, due to damage to the middle meningeal artery and producing compression of the dura mater and thus compression of the brain. Unless evacuated, it may result in herniation through the tentorium, and death. ... (12 Dec 1998) ...

haematoma, subdural
Accumulation of blood in the subdural space. There are acute and chronic forms. They are usually the result of trauma. ... (12 Dec 1998) ...

haematomanometer
Synonym for haemomanometer ... haemadynamometer ...

haematometra
<gynaecology> A collection of blood and other menstrual fluid within the uterus which causes the uterus to distend (bulge outward). ... (09 Oct 1997) ...

haematometry
Examination of the blood in order to determine any or all of the following: 1) the total number, types, and relative proportions of various blood cells; 2) the number or proportion of other formed elements; 3) the percentage of haemoglobin. In some instances, haematometry is used to include a determination of blood pressure. ... Synonym: haemometry. …

haematomphalocele
Umbilical hernia into which an effusion of blood has taken place. ... Origin: haemato-+ G. Omphalos, umbilicus, + kele, hernia ... (05 Mar 2000) ...

haematomyelia
A haemorrhage (area of internal bleeding) which extends into the spinal cord, occurs usually as a result of injury. ... (09 Oct 1997) ...

haematomyelopore
Formation of porosities in the spinal cord as a result of haemorrhages. ... Origin: haemato-+ G. Myelos, marrow, + poros, a pore ... (05 Mar 2000) ...

haematonic
Synonym for haematinic ... 1. Improving the condition of the blood. ... 2. An agent that improves the quality of blood by increasing the number of erythrocytes and/or the haemoglobin concentration. ... Synonym: haematic. ... Synonym: haematonic. ... (05 Mar 2000) ...

haematopathology
The division of pathology concerned with diseases of the blood and of haemopoietic and lymphoid tissues. ... Synonym: haemopathology. ... Origin: haemato-+ G. Pathos, suffering, + logos, study ... (05 Mar 2000) ...

haematopathy
Synonym for haemopathy ... <haematology> Any disease of the blood. ... Origin: Gr. Pathos = disease ... (18 Nov 1997) ...

haematopenia
Deficiency of blood, including hypocytosis or cytopenia. ... Origin: haemato-+ G. Penia, poverty ... (05 Mar 2000) ...

haematophagia
Living on the blood of another animal, as does the vampire bat or a leech. ... Synonym: haemophagia. ... Origin: haemato-+ G. Phago, to eat ... (05 Mar 2000) ...

haematophagous
Subsisting on blood. ... Origin: haemato-+ G. Phago, to eat ... (05 Mar 2000) ...

haematophagus
A blood eater, especially bloodsucking insects. ... Origin: haemato-+ G. Phago, to eat ... (05 Mar 2000) ...

Haematopinus
An important genus of sucking lice (family Haematopinidae) affecting swine and other domestic and wild animals; it is normally nonpathogenic. Haematopinus asini affects horses, mules, and asses; Haematopinus eurysternus and Haematopinus quadripertusus, cattle; and Haematopinus suis, swine. ... Origin: G. Haima, blood, + L. Pinus, pine tree ... (05 Ma …

haematopoiesis
Synonym for haemopoiesis ... <haematology> The formation and development of blood cells involving both proliferation and differentiation from stem cells. In adult mammals usually occurs in bone marrow. ... (18 Nov 1997) ...

haematopoiesis, extramedullary
The formation and development of blood cells outside the bone marrow, as in the spleen, liver, or lymph nodes. ... (12 Dec 1998) ...

haematopoietic
Synonym for haemopoietic ... <pharmacology> Refers to an agent or process that affects or promotes the formation of blood cells. ... (09 Oct 1997) ...

haematopoietic cell growth factors
These growth factors comprise a family of haematopoietic regulators with biological specificities defined by their ability to support proliferation and differentiation of blood cells of different lineages. Erythropoietin and the colony-stimulating factors belong to this family. Some of these factors have been studied and used in the treatment of ch …

haematopoietic cell phosphatase
<enzyme> Gene found on chromosome 12p12-p13 in motheaten (me) and viable motheaten mice; shp1 is product of me gene; a single base pair change creates or alters splicing signal sequences of hc phosphatase genes with consequent abnormal mRNA splicing and expression of aberrant hc phosphatase transcript; partial aa sequence given in first sourc …

haematopoietic gland
A blood-forming organ, such as the spleen. ... (05 Mar 2000) ...

haematopoietic stem cells
Progenitor cells from which all blood cells derive. ... (12 Dec 1998) ...

haematopoietic system
The blood-making organs; in the embryo at different ages these are the yolk sac, liver, thymus, spleen, lymph nodes, and bone marrow; after birth they are principally the bone marrow, spleen, thymus, and lymph nodes. ... (05 Mar 2000) ...

haematopoietin
Synonym for erythropoietin ... <growth factor, hormone> Erythropoietin is a Glycoprotein (46 kD) hormone produced by specialised cells in the kidneys that regulates the production of red blood cells in the marrow. ... These cells are sensitive to low arterial oxygen concentration and will release erythropoietin when oxygen is low. Erythropoieti …

haematoporphyria
An obsolete term for any disorder of porphyrin metabolism, regardless of the cause. ... Origin: haemato-+ G. Porphyra, purple ... (05 Mar 2000) ...

haematoporphyrin
<protein> A type of artificial porphyrin which forms when sulphuric acid is added to haemoglobin in vitro. It has the chemical formula of C34H38N4O6 and is not found naturally. ... (09 Oct 1997) ...

haematoporphyrin derivative
<chemical> A complex mixture of monomeric and aggregated porphyrins used in the photodynamic therapy of tumours (haematoporphyrin photoradiation). A purified component of this mixture is known as dihematoporphyrin ether. ... Pharmacological action: antineoplastic agent, photosensitizing agents. ... Chemical name: Haematoporphyrin D ... (12 Dec 1 …

haematoporphyrin photoradiation
Photochemotherapy using visible light, usually red, topically or delivered locally by fibreoptic probe to tissues sensitised with haematoporphyrins. ... (12 Dec 1998) ...

haematoporphyrinaemia
Older term used to designate the occurrence of haematoporphyrin in the circulating blood. ... (05 Mar 2000) ...

haematoporphyrins
Iron-free derivatives of haem with 4 methyl groups, 2 hydroxyethyl groups and 2 propionic acid groups attached to the pyrrole rings. ... (12 Dec 1998) ...

haematoporphyrinuria
Older term used to designate enhanced urinary excretion of porphyrins. ... (05 Mar 2000) ...

haematopsia
Synonym: haemophthalmia. ... Origin: haemato-+ G. Opsis, vision ... (05 Mar 2000) ...

haematorrhachis
A spinal haemorrhage. ... Synonym: haemorrhachis. ... Origin: haemato-+ G. Rhachis, spine ... Haematorrhachis externa, haemorrhage into the spinal canal external to the cord, either within or outside the dura. ... Synonym: extradural haematorrhachis, subdural haematorrhachis. ... (05 Mar 2000) ...

haematorrhachis interna
Synonym for haematomyelia ... A haemorrhage (area of internal bleeding) which extends into the spinal cord, occurs usually as a result of injury. ... (09 Oct 1997) ...

haematosalpinx
Collection of blood in a tube, often associated with a tubal pregnancy. ... Synonym: haemosalpinx. ... Origin: haemato-+ G. Salpinx, a trumpet ... (05 Mar 2000) ...

haematosepsis
Synonym for septicaemia ... Systemic disease associated with the presence and persistence of pathogenic microorganisms or their toxins in the blood. ... Synonym: blood poisoning. ... See: bacteraemia. ... Origin: Gr. Haima = blood ... (11 Jan 1998) ...

haematospectroscope
<instrument> A spectroscope especially adapted to examination of the blood. ... (05 Mar 2000) ...

haematospectroscopy
Examination of the blood by means of a spectroscope. ... (05 Mar 2000) ...

haematospermatocele
A spermatocele that contains blood. ... (05 Mar 2000) ...

haematospermia
Synonym for haemospermia ... The presence of blood in the seminal fluid. ... Synonym: haematospermia. ... Origin: haemo-+ G. Sperma, seed ... (05 Mar 2000) ...

haematostatic
1. Variant of haemostatic. ... 2. Due to stagnation or arrest of blood in the vessels of the part. ... (05 Mar 2000) ...

haematostaxis
Spontaneous bleeding due to a disease of the blood. ... Origin: haemato-+ G. Staxis, a dripping ... (05 Mar 2000) ...

haematosteon
Bleeding in the medullary cavity of a bone. ... Origin: haemato-+ G. Osteon, bone ... (05 Mar 2000) ...

haematotoxin
Synonym for haemotoxin ... <microbiology> A haemotoxin is a type of toxin which attacks blood cells. ... (09 Oct 1997) ...

haematotrachelos
An obsolete term for distention of the cervix uteri with accumulated blood. ... Origin: haemato-+ G. Trachelos, neck ... (05 Mar 2000) ...

haematotropic
Synonym for haemotropic ... Pertaining to the mechanism by which a substance in or on blood cells, especially the erythrocytes, attracts phagocytic cells; the latter change direction and migrate toward the haemotropic cells. ... Synonym: haematotropic. ... Origin: haemo-+ G. Tropos, direction (or trope, a turning) ... (05 Mar 2000) ...

haematotympanum
Synonym for haemotympanum ... <otolaryngology> A collection of blood in the middle ear space. May occur secondary to severe barotitis media, basal skull fracture or ear trauma. ... (27 Sep 1997) ...

haematoxin
Synonym for haemotoxin ... <microbiology> A haemotoxin is a type of toxin which attacks blood cells. ... (09 Oct 1997) ...

haematoxylin
<chemical> Basophilic stain that gives a blue colour (to the nucleus of a cell for example), commonly used in conjunction with eosin that stains the cytoplasm pink or red. Various modifications of haematoxylin have been developed. The histopathologist's H&E is haematoxylin and eosin. ... (18 Nov 1997) ...

haematoxylin and eosin stain
<technique> Probably the most generally useful of all staining methods for tissues; nuclei are stained a deep blue-black with haematoxylin, and cytoplasm is stained pink after counterstaining with eosin, usually in water. ... (05 Mar 2000) ...

haematoxylin bodies
Poorly defined, homogeneous basophilic remnants of whole nuclei, an occasional finding in the fixed tissues of patients with systemic lupus erythematosus, but observed more frequently in the renal glomeruli and the walls of blood vessels, and probably related to the LE phenomenon; so named because of their affinity for haematoxylin stain. ... (05 Ma …

haematoxylin-phloxine B stain
<technique> A stain for intact epoxy sections; semi-thick sections of plastic-embedded tissues have the following structures stained blue to black; chromatin, nucleoli, basophilic cytoplasm, mitochondria, plasma and nuclear membranes, anisotropic myofibrils, mast cell granules, and elastic membranes of blood vessels; appearing pink to red are …

haematozoic
Synonym for haemozoic ... Parasitic in the blood of vertebrates; denoting certain protozoa. ... Synonym: haematozoic. ... (05 Mar 2000) ...

haematozoon
Origin: NL, fr. Gr, blood + animal. ... <zoology> A parasite inhabiting the blood; especially., ... Certain species of nematodes of the genus Filaria, sometimes found in the blood of man, the horse, the dog, etc. ... The trematode, Bilharzia haematobia, which infests the inhabitants of Egypt and other parts of Africa, often causing death. ... Sou …

haematuria
<clinical sign, urology> The finding of blood in the urine. ... Origin: Gr. Ouron = urine ... (18 Nov 1997) ...

haematuric bilious fever
Haematuria due to renal lesions caused by the malarial haematozoon, Plasmodium falciparum. ... (05 Mar 2000) ...

Haemichorda
Synonym for Haemichordata ... A phylum comprised of soft-bodied, bilaterally symmetrical wormlike marine animals with gill-slits to the pharynx and a conical proboscis; a ciliated larval stage resembles that of echinoderms. ... Synonym: Haemichorda. ... Origin: hemi-+ Mod. L. Chordata, having a notochord, fr. G. Chorde, string ... (05 Mar 2000) ...

Haemichordata
A phylum comprised of soft-bodied, bilaterally symmetrical wormlike marine animals with gill-slits to the pharynx and a conical proboscis; a ciliated larval stage resembles that of echinoderms. ... Synonym: Haemichorda. ... Origin: hemi-+ Mod. L. Chordata, having a notochord, fr. G. Chorde, string ... (05 Mar 2000) ...

haemndothelioma
Synonym for haemangioendothelioma ... <oncology, tumour> A tumour which comes from endothelial cells lining the inside surfaces of blood vessels. ... (09 Oct 1997) ...

haemo-
<prefix> Combining forms indicating relation or resemblance to blood, association with blood; as, haemapod, haematogenesis, haemoscope. ... Words from Gr. Are written haema-, haemato-, hemo-, as well as haema-, haemato-, haemo-. ... Origin: Gr. Ai^'ma, blood. ... (29 Oct 1998) ...

haemoagglutination
Synonym for haemagglutination ... <haematology> Agglutination of red blood cells, often used to test for the presence of antibodies directed against red cell surface antigens or carbohydrate binding proteins or viruses in a solution. Requires that the agglutinin has at least two binding sites. ... (18 Nov 1997) ...

haemoagglutinin
Synonym for haemagglutinin ... <haematology> Substance that will bring about the agglutination of erythrocytes. ... (18 Nov 1997) ...

haemoantitoxin
An antibody that neutralises the effects of a haemotoxin, such as the haemolytic material in cobra venom. ... (05 Mar 2000) ...

Haemobartonella
A genus of parasitic bacteria (order Rickettsiales) found in and on the surface of erythrocytes, but which rarely produce disease in animals without splenectomy. They are identical to Eperythrozoon species, except that Haemobartonella species are not found free in the plasma nor are ring forms seen on the surface of infected erythrocytes. Species a …

Haemobartonella felis
The species causing feline infectious anaemia. ... (05 Mar 2000) ...

Haemobartonella muris
A species found in rats, mice, and hamsters; ectoparasites such as the rat louse, the flea, and possibly the bedbug are vectors; it is the type species of Haemobartonella. ... (05 Mar 2000) ...

haemobartonellosis
Synonym for feline infectious anaemia ... An acute or chronic anaemia of domestic cats caused by the rickettsia Haemobartonella felis. ... Synonym: haemobartonellosis. ... (05 Mar 2000) ...

haemobilia
Haemorrhage in or through the biliary tract. The blood may drain into the intestine or form clots within the biliary tract. The causes include trauma, inflammation, cholelithiasis, vascular disease, or neoplasms. ... (12 Dec 1998) ...

haemoblast
Synonym for haemocytoblast ... A blood cell derived from embryonic mesenchyme, characterised by basophilic cytoplasm and a relatively large nucleus with a spongy, loose network of chromatin and several nucleoli; mitochondria are extremely fine and delicate. Haemocytoblasts represent the primitive stem cells of the monophyletic theory of the origin o …

haemoblastosis
A proliferative condition of the haematopoietic tissues in general. ... (05 Mar 2000) ...

haemocatharsis
Cleansing the blood. ... Origin: haemo-+ G. Katharsis, a cleansing ... (05 Mar 2000) ...

haemocatheresis
Destruction of the blood cells, especially of erythrocytes (haemocytocatheresis). ... Origin: haemo-+ G. Kathairesis, destruction ... (05 Mar 2000) ...

haemocatheretic
Pertaining to or characterised by haemocatheresis. ... (05 Mar 2000) ...

haemoccult test
A qualitative test for occult blood in stool based upon detecting the peroxidase activity of haemoglobin; a test kit can be used at home and the specimen mailed to a laboratory for evaluation. ... (05 Mar 2000) ...

haemocele
The system of blood-containing spaces pervading the body in arthropods. ... Origin: haemo-+ G. Koiloma, cavity ... (05 Mar 2000) ...

haemocholecyst
1. Obsolete term for a cyst containing blood and bile. ... 2. Obsolete term for nontraumatic haemorrhage or old blood accumulated in the gallbladder. ... Origin: haemo-+ G. Chole, bile, + kystis, bladder ... (05 Mar 2000) ...

haemocholecystitis
Haemorrhagic cholecystitis. ... (05 Mar 2000) ...

haemochorial placenta
<gynaecology> A type of placenta where the chorion, or membrane enclosing the foetus, comes in direct contact with the mother's blood. Humans have haemochorial placentas. ... (09 Oct 1997) ...

haemochromatosis
<haematology> A rare genetic disease that results in the over abundance of iron in the body tissues. ... Organs affected include the liver, brain, heart and kidneys. Complications include liver dysfunction, diabetes, changes in skin pigmentation, heart problems, arthritis and testicular atrophy. ... Treatment includes therapeutic venesection on …

haemoclasis
Rupture, dissolution (haemolysis), or other type of destruction of red blood cells. ... Origin: haemo-+ G. Klasis, a breaking ... (05 Mar 2000) ...

haemoclastic
Pertaining to haemoclasis. ... (05 Mar 2000) ...

haemoclastic reaction
Haemolysis as observed in the laking of the blood. ... (05 Mar 2000) ...

Haemococcidium
Old name for Plasmodium species. ... Origin: G. Haima, blood, + kokkos, berry ... (05 Mar 2000) ...