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

heterophasia
Synonym: heterolalia. ... Origin: hetero-+ G. Phasis, speech ... (05 Mar 2000) ...

heterophemia
Heterophemy ... Synonym: heterolalia. ... Origin: hetero-+ G. Pheme, a speech ... (05 Mar 2000) ...

heterophil
Heterophile ... 1. The neutrophilic leukocyte in man; in some animals the granules vary in size and staining reaction. ... 2. Pertaining to heterogenetic antigens occurring in different species or to antibodies directed against such antigens. ... Origin: hetero-+ G. Philos, fond ... (05 Mar 2000) ...

heterophil antibody
Synonym for Forssman antibody ... A heterogenetic antibody specific for the Forssman group of heterogenetic antigens. ... Synonym: heterophil antibody, heterophile antibody. ... (05 Mar 2000) ...

heterophil antigen
Synonym for heterogenetic antigen ... An antigen which is possessed by a variety of different phylogenetically unrelated species; e.g., the various organ-or tissue-specific antigen's, the alpha-and beta-crystalline protein of the lens of the eye, and Forssman antigen. ... Synonym: heterophil antigen. ... (05 Mar 2000) ...

heterophil haemolysin
A sensitizing antibody that can combine with red blood cells of various species (in addition to those used as the antigen in stimulating the formation of the haemolysin), resulting in haemolysis when the proper amount of complement is present. ... (05 Mar 2000) ...

heterophile antibody
<immunology> An antibody raised against an antigen from one species that also reacts against antigens from other species. ... Also used of Forssman type systems where antibody against antigens from a variety of species is present without immunisation. ... (18 Nov 1997) ...

heterophile antigen
An antigen or antigenic determinant which is found in different tissues in more than one species. ... (05 Mar 2000) ...

heterophonia
1. The change of voice at puberty. ... 2. Any abnormality in the voice sounds. ... Synonym: heterophthongia. ... Origin: hetero-+ G. Phone, voice ... (05 Mar 2000) ...

heterophoria
A tendency for deviation of the eyes from parallelism, prevented by binocular vision. ... Origin: hetero-+ G. Phora, movement ... (05 Mar 2000) ...

heterophthalmus
A seldom-used term for a difference in the appearance of the two eyes, usually due to heterochromia iridis. ... Synonym: allophthalmia. ... Origin: hetero-+ G. Ophthalmos, eye ... (05 Mar 2000) ...

heterophthongia
Synonym: heterophonia. ... Origin: G. Heterophthongos, fr. Heteros, different, + phthongos, sound, voice ... (05 Mar 2000) ...

Heterophyes
A genus of digenetic flukes (family Heterophyidae) parasitic in fish-eating birds and mammals, including man; cercariae from infected snails penetrate and encyst in fish, which are eaten by the final hosts. ... Origin: hetero-+ G. Phye, stature, form ... Heterophyes brevicaeca, a species reported from man in the Philippines and implicated in heart le …

heterophyiasis
Infection with a heterophyid trematode, particularly Heterophyes heterophyes. ... Synonym: heterophyidiasis. ... (05 Mar 2000) ...

heterophyid
Common name for a member of the family Heterophyidae. ... (05 Mar 2000) ...

heterophyidae
A family of intestinal flukes of the class trematoda which occurs in animals and man. Some of the genera are heterophyes, metagonimus, cryptocotyle, stellantchasmus, and euryhelmis. ... (12 Dec 1998) ...

heterophyidiasis
Synonym for heterophyiasis ... Infection with a heterophyid trematode, particularly Heterophyes heterophyes. ... Synonym: heterophyidiasis. ... (05 Mar 2000) ...

heterophyllous
<botany> The presence on a single individual of two or more distinct leaf shapes. These leaves may differ markedly in shape, yet have similar gross anatomical organisation. ... (09 Oct 1997) ...

heteroplasia
1. Development of cytologic and histologic elements that are not normal for the organ or part in question, as the growth of bone in a site where there is normally fibrous connective tissue. ... 2. Malposition of tissue or a part that is otherwise normal, as a ureter that develops at the lower pole of a kidney. ... Synonym: alloplasia. ... Origin: hete …

heteroplasmy
<biology, embryology> The occurrence of a tissue in the wrong place in an organism, as a result of inappropriate cellular differentiation. ... (18 Nov 1997) ...

heteroplastic graft
Synonym for xenograft ... <surgery> A surgical graft of tissue from one species onto or into individuals of unlike species, genus or family. Also know as a heteroplastic graft. ... See: xenotransplantation. ... (11 May 1997) ...

heteroplastid
The graft in heteroplasty. ... (05 Mar 2000) ...

heteroplasty
Synonym: heterotransplantation. ... 2. Formerly, transplantation of any graft other than an autograft. ... Origin: hetero-+ G. Plastos, formed ... (05 Mar 2000) ...

heteroploid
A different chromosome number than the normal number of chromosomes. ... (12 Dec 1998) ...

heteroploidy
The state of a cell possessing some number of complete haploid sets other than the normal. ... Origin: hetero-+ G. Ploides, in form ... (05 Mar 2000) ...

heteropolar bond
Synonym for electrostatic bond ... Bond between atoms or groups carrying opposite charges (or, in some cases, partial charges). ... Synonym: heteropolar bond, salt bridge. ... (05 Mar 2000) ...

heteropolysaccharide
A polysaccharide composed of two or more different types of monosaccharides. ... Compare: glycan, homoglycan. ... Synonym: heteroglycan. ... (05 Mar 2000) ...

heteroproteose
See: primary proteose. ... (05 Mar 2000) ...

heteropsychologic
Relating to ideas developed from without or derived from another's consciousness. ... (05 Mar 2000) ...

heteropyknosis
Any state of variable density or condensation, usually in different chromosomes or between different regions of the same chromosome; a region may be attentuated (negative h) or accentuated (positive h). ... Origin: hetero-+ G. Pyknos, dense ... (05 Mar 2000) ...

heteropyknotic
Relating to or characterised by heteropyknosis. ... (05 Mar 2000) ...

heteropyknotic chromatin
Synonym for heterochromatin ... <cell biology, genetics> The chromosomal regions that are condensed during interphase and at the time of nuclear division. ... They show what is considered an abnormal pattern of staining as opposed to euchromatin. Can be subdivided into constitutive regions (present in all cells) and facultative heterochromatin …

heterosaccharide
A glycoside in which a sugar group is attached to a nonsugar group; e.g., amygdalin. ... (05 Mar 2000) ...

heteroscedasticity
Non-constancy of the variance of a measure over the levels of the factor under study. ... Origin: hetero + G. Skedastikos, pertaining to scattering, fr. Skedannumi, to scatter ... (05 Mar 2000) ...

heterosexual
A person sexually attracted to persons of the opposite sex. The word straight has become synonymous with heterosexual. Heterosexual can also be an adjective. ... (12 Dec 1998) ...

heterosexuality
Sexuality directed toward someone of the opposite sex. ... (12 Dec 1998) ...

heteroside
A compound containing two or more different carbohydrate residues that are covalently linked to a noncarbohydrate moiety. ... (05 Mar 2000) ...

heterosis
<biology> The observation that in some circumstances, the heterozygotes in a population have higher fitness than the homozygotes, for example they grow better, are better able to survive, and/or are more fertile than the homozygotes. The effect of heterosis can also apply to hybrids (thus hybrid vigor). ... (09 Oct 1997) ...

heterosmia
Synonym for allotriosmia ... Incorrect recognition of odours. ... Synonym: heterosmia. ... Origin: G. Allotrios, foreign, + osme, smell ... (05 Mar 2000) ...

heterosome
In genetics, the chromosome pair that is different in the two sexes. ... See: sex chromosomes. ... Origin: hetero-+ G. Soma, body ... (05 Mar 2000) ...

heterospecific
Heterologous, as pertains to grafts. ... (05 Mar 2000) ...

heterospecific antibody
<immunology> Artificially produced antibody in which the two antigen binding sites are for different antigens. ... (18 Nov 1997) ...

heterospecific graft
Synonym for xenograft ... <surgery> A surgical graft of tissue from one species onto or into individuals of unlike species, genus or family. Also know as a heteroplastic graft. ... See: xenotransplantation. ... (11 May 1997) ...

heterosporous
<plant biology> Producing separate male and female spores. ... Compare: homosporous. ... (09 Oct 1997) ...

heterospory
<plant biology> Condition in vascular plants where the spores are of two different sizes, the smaller producing male prothalli, the larger female prothalli. ... (18 Nov 1997) ...

heterostylous
<plant biology> Species in which flowers are similar except that the stigmas and antherS are held at different levels relative to each other, because style length differs between plants. ... Compare: homostylous. ... (09 Oct 1997) ...

heterosuggestion
Hypnotic suggestion received from another person; opposed to autosuggestion. ... (05 Mar 2000) ...

heterotaxia
Abnormal arrangement of organs or parts of the body in relation to each other. ... Synonym: heterotaxis, heterotaxy. ... Origin: hetero-+ G. Taxis, arrangement ... (05 Mar 2000) ...

heterotaxic
Abnormally placed or arranged. ... (05 Mar 2000) ...

heterotaxis
Synonym for heterotaxia ... Abnormal arrangement of organs or parts of the body in relation to each other. ... Synonym: heterotaxis, heterotaxy. ... Origin: hetero-+ G. Taxis, arrangement ... (05 Mar 2000) ...

heterothallic
<plant biology> Situation in some fungi and algae in which there are two mating types and the individual thallus is self sterile even if hermaphrodite. ... (18 Nov 1997) ...

heterotherm
A heterothermic animal. ... (05 Mar 2000) ...

heterothermic
Having partial regulation of body temperature; between poikilothermic and homeothermic. ... (05 Mar 2000) ...

heterotic
Relating to heterosis. ... (05 Mar 2000) ...

heterotonia
Abnormality or variation in tension or tonus. ... Origin: hetero-+ G. Tonos, tension ... (05 Mar 2000) ...

heterotopia
Synonym: ectopia. ... 2. In neuropathology, displacement of gray matter, typically into the deep cerebral white matter. ... Origin: hetero-+ G. Topos, place ... (05 Mar 2000) ...

heterotopia maculae
Synonym for ectopia maculae ... A condition in which one macula is displaced so that the two foveas are not at corresponding retinal points. ... Synonym: heterotopia maculae. ... (05 Mar 2000) ...

heterotopic
Synonym: ectopic. ... 2. Relating to heterotopia. ... Origin: hetero-+ topos, place, + suffix -ic, pertaining to ... (05 Mar 2000) ...

heterotopic bones
Bone's that do not belong to the main skeleton but that regularly develop in certain organs, e.g., the heart, penis, clitoris, and snout of some animals. ... (05 Mar 2000) ...

heterotopic graft
Transplantation of a tissue or organ into a position it normally does not occupy. ... (05 Mar 2000) ...

heterotopic gray matter
<radiology> Presence of cortical neurons in an abnormal location secondary to arrest of migrating neuroblasts from ventricular walls to brain surface between 7-24 weeks of gestational age, frequency: 3% of healthy population associated with: agenesis of corpus callosum, aqueductal stenosis, microcephaly, schisencephaly, encephalocele X-ray: s …

heterotopic pregnancy
A pregnancy not in the uterine cavity. ... (05 Mar 2000) ...

heterotopic stimulus
Any electrical activation from an abnormal locus. ... (05 Mar 2000) ...

heterotopous
Heterotopic, especially in reference to teratomas composed of tissues that are out of place in the region where found. ... (05 Mar 2000) ...

heterotopy
1. <medicine> A deviation from the natural position; a term applied in the case of organs or growths which are abnormal in situation. ... 2. <biology> A deviation from the natural position of parts, supposed to be effected in thousands of years, by the gradual displacement of germ cells. ... Origin: Hetero- + Gr. Place: cf. F. Heterotopie …

heterotransplantation
Transfer of a heterograft (xenograft). ... Synonym: heteroplasty. ... (05 Mar 2000) ...

heterotrichosis
A condition characterised by hair growth of variegated colour. ... Origin: hetero-+ G. Trichosis, growth of hair ... (05 Mar 2000) ...

heterotroph
<biochemistry, biology> An organism that requires carbon compounds from other plant or animal sources and cannot synthesise them itself not an autotroph. ... (18 Nov 1997) ...

heterotrophic
1. Relating to or exhibiting the properties of heterotrophy. ... 2. Relating to a heterotroph. ... (05 Mar 2000) ...

heterotrophic enzyme
<biochemistry> An allosteric enzyme that must be modulated by a biomolecule other than its substrate. ... (09 Oct 1997) ...

heterotrophy
The ability or requirement to synthesise all metabolites from organic compounds. ... (05 Mar 2000) ...

heterotropia
Heterotropy ... Synonym: strabismus. ... Origin: hetero-+ G. Trope, a turning ... (05 Mar 2000) ...

heterotype mitosis
A variety of mitosis in which the halved chromosomes are united at their ends forming ring-like figures. Occurs in the first division of meiosis. ... (05 Mar 2000) ...

heterotypic
Of different types. Thus heterotypic adhesion would be between dissimilar cells, in contrast to homotypic adhesion between cells of the same type. ... (18 Nov 1997) ...

heterotypic cortex
Synonym for allocortex ... O. Vogt's term denoting several regions of the cerebral cortex, in particular the olfactory cortex and the hippocampus, characterised by fewer cell layers than the isocortex. ... See: cerebral cortex. ... Synonym: heterotypic cortex. ... Origin: allo-+ L. Cortex, bark (cortex) ... (05 Mar 2000) ...

heterotypical chromosome
Synonym for allosome ... <genetics> One or more chromosomes that can be distinguished from autosomes by their morphology and behaviour. ... Synonym: accessory chromosome, heterochromosome, sex chromosome. ... (18 Nov 1997) ...

heterovaccine therapy
Therapy with a vaccine obtained from organisms not directly concerned with the disorder being treated. ... (05 Mar 2000) ...

heteroxanthine
7-Methylxanthine;one of the alloxuric bases in urine, representing end products of purine metabolism. ... (05 Mar 2000) ...

heteroxenous
Synonym: digenetic. ... Origin: hetero-+ G. Xenos, stranger ... (05 Mar 2000) ...

heteroxenous parasite
A parasite that has more than one obligatory host in its life cycle. ... (05 Mar 2000) ...

heterozoic
Relating to another animal or another species of animal. ... Origin: hetero-+ G. Zoikos, relating to an animal ... (05 Mar 2000) ...

heterozygosity
<genetics> The presence of different alleles at one or more loci on homologous chromosomes. ... (09 Oct 1997) ...

heterozygosity index
Measure of the number of loci for which an individual is heterozygous. ... (18 Nov 1997) ...

heterozygote
Nucleus, cell or organism with different alleles of one or more specific genes. A heterozygous organism will produce unlike gametes and thus will not breed true. ... (18 Nov 1997) ...

heterozygote detection
Identification of genetic carriers for a given trait. ... (12 Dec 1998) ...

heterozygous
Containing two different alleles of the same gene. ... Compare: homozygous. ... (09 Oct 1997) ...

HETEs
A family of hydroxyeicosenoic acid (C20) derivatives of arachidonic acid produced by the action of lipoxygenase. Potent pharmacological agents with diverse actions. ... (18 Nov 1997) ...

Heubner, Johann
<person> German paediatrician, 1843-1926. ... See: artery of Heubner, Heubner's arteritis. ... (05 Mar 2000) ...

Heubner's arteritis
Inflammation of arteries within the circle of Willis secondary to chronic basal meningitis from tubercle bacillus or particular fungi such as Cryptococcus, Histoplasma, or Coccidiodes. ... (05 Mar 2000) ...

heuristic
Proceeding by trial and error rather than according to a planned route. ... (18 Nov 1997) ...

Heuser, Chester
<person> U.S. Embryologist, 1885-1965. ... See: Heuser's membrane. ... (05 Mar 2000) ...

Heuser's membrane
Synonym for exocelomic membrane ... A layer of cells delaminated from the inner surface of the blastocystic cytotrophoblast and from the envelope of the primary yolk sac during the second week of embryonic life. ... Synonym: Heuser's membrane. ... (05 Mar 2000) ...

HEV
<abbreviation> Hepatitis E virus. ... (05 Mar 2000) ...

hexa-
<prefix> Prefix denoting six. ... Origin: G. Hex ... (05 Mar 2000) ...

hexacanth
The motile six-hooked first-stage larva of cyclophyllidean cestodes; it emerges from the egg and actively claws its way through the intermediate host's intestine prior to development into the next larval stage; e.g., the hexacanth of Taenia saginata, which penetrates the intestine of a cow that ingested the egg, then forms a cysticercus in the musc …

hexacanth embryo
The embryo of tapeworms of the subclass Cestoda, such as Taenia saginata, characterised by three pairs of hooks used for penetration through the gut of an intermediate host. ... Synonym: oncosphere embryo. ... (05 Mar 2000) ...

hexachlorobenzene
<chemical> An agricultural fungicide and seed treatment agent. ... Pharmacological action: fungicides, industrial. ... Chemical name: Benzene, hexachloro- ... (12 Dec 1998) ...

hexachlorocyclohexane
Synonym for gamma benzene hexachloride ... <chemical> One of the purified isomers of hexachlorobenzene which is used as a scabicide and pediculicide applied topically to the skin in various lotions, creams, and shampoos; gamma benzene hexachloride can be absorbed through the skin. Resembles DDT in its actions but is less persistent. ... Incorre …

hexachlorophane
Synonym for hexachlorophene ... <chemical> A chlorinated bisphenol antiseptic with a bacteriostatic action against gram-positive organisms, but much less effective against gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. ... Pharmacological action: anti-infectiv …

hexachlorophene
<chemical> A chlorinated bisphenol antiseptic with a bacteriostatic action against gram-positive organisms, but much less effective against gram-negative organisms. It is mainly used in soaps and creams and is an ingredient of various preparations used for skin disorders. ... Pharmacological action: anti-infective agents, local. ... Chemical na …