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

zonography
A form of tomography with a relatively thick plane of focus; especially used in renal radiography. ... Origin: zone + G. Grapho, to write ... (05 Mar 2000) ...

zonoskeleton
The proximal skeletal segments of the limbs, i.e., scapula, clavicle, hip bone. ... Origin: L. Zona, zone, + skeleton ... (05 Mar 2000) ...

zonula
Synonym for zonule ... A small zone. ... Synonym: zonula. ... (05 Mar 2000) ...

zonula adherens
<cell biology> Specialised intercellular junction in which the membranes are separated by 15-25nm and into which are inserted microfilaments. Similar in structure to two apposed focal adhesions, though this may be misleading. Microfilaments inserted into the zonula adherens may interact (via myosin) with other microfilaments to generate contr …

zonula ciliaris
Synonym for ciliary zonule ... A series of delicate meridional fibres arising from the inner surface of the orbiculus ciliaris that run in bundles between, and in a very thin layer over, the ciliary processes; at the inner border of the corona, the fibres diverge into two groups that are attached to the capsule on the anterior and posterior surfaces …

zonula occludens
<cell biology> Specialised intercellular junction in which the two plasma membranes are separated by only 1-2nm. Found near the apical surface of cells in simple epithelia, forms a sealing gasket around the cell. Prevents fluid moving through the intercellular gap and the lateral diffusion of intrinsic membrane proteins between apical and bas …

zonular
Relating to a zonula. ... (05 Mar 2000) ...

zonular band
Synonym for zona orbicularis ... Fibres of the articular capsule of the hip joint encircling the neck of the femur. ... Synonym: orbicular zone, ring ligament, zonular band. ... (05 Mar 2000) ...

zonular cataract
Synonym for lamellar cataract ... A cataract in which the opacity is limited to the cortex. ... Synonym: zonular cataract. ... (05 Mar 2000) ...

zonular fibres
Delicate fibres that pass from the equator of the lens to the ciliary body, collectively known as the ciliary zonule. ... Synonym: fibrae zonulares. ... (05 Mar 2000) ...

zonular layer
A thin layer of white substance covering the upper surface of the thalamus and forming part of the floor of the body of the lateral ventricle, a layer of white substance on the surface of the superior colliculus. ... Synonym: stratum zonale. ... (05 Mar 2000) ...

zonular scotoma
A curved scotoma not corresponding to the path of retinal nerve fibres. ... (05 Mar 2000) ...

zonular spaces
The spaces between the fibres of the ciliary zonule at the equator of the lens of the eye. ... Synonym: spatia zonularia, Petit's canals. ... (05 Mar 2000) ...

zonule
A small zone. ... Synonym: zonula. ... (05 Mar 2000) ...

zonulitis
Assumed inflammation of the zonule of Zinn, or suspensory ligament of the lens of the eye. ... Origin: zonule + G. -itis, inflammation ... (05 Mar 2000) ...

zonulolysis
Zonulysis ... Dissolution of the zonula ciliaris by enzymes (alpha-chymotrypsin) to facilitate surgical removal of a cataract. ... Synonym: Barraquer's method. ... Origin: zonule + G. Lysis, dissolution ... (05 Mar 2000) ...

zoo blot analysis
A procedure using Southern blot analysis to test the ability of a nucleic acid probe from one species to hybridise with the DNA fragment of another species. ... (05 Mar 2000) ...

zoo-
<prefix> A combining form meaning an animal, as in zoogenic, zoology, etc. ... (29 Oct 1998) ...

zooagglutinin
<haematology> A protein found in some animal venoms that makes red blood cells clot. ... (06 May 1997) ...

zooanthroponosis
A zoonosis normally maintained by humans but which can be transmitted to other vertebrates (e.g., amoebiasis to dogs, tuberculosis). ... Compare: anthropozoonosis, amphixenosis. ... Origin: zoo-+ G. Anthropos, man, + nosos, disease ... (05 Mar 2000) ...

zooblast
An animal cell. ... Origin: zoo-+ G. Blastos, germ ... (05 Mar 2000) ...

zoochlorellae
<organism> Intracellular symbiotic algae usually of the genus Chlorella found in some lamellibranchs, protozoans, flatworms sponges and corals etc. ... (18 Nov 1997) ...

zoochrome
A naturally occurring animal pigment; includes human pigments. ... (05 Mar 2000) ...

zoodendrium
<zoology> The branched, and often treelike, support of the colonies of certain Infusoria. ... Origin: NL, fr. Gr. Zoon = an animal + a tree. ... (28 Oct 1998) ...

zoodermic
Relating to the skin of an animal. ... Origin: zoo-+ G. Derma, skin ... (05 Mar 2000) ...

zooecium
<zoology> One of the cells or tubes which inclose the feeling zooids of Bryozoa. ... Origin: NL, fr. Gr. Zoon = an animal + house. ... (28 Oct 1998) ...

zooecology
<study> The scientific study of the relationship between animals and their environment. ... (06 May 1997) ...

zooerastia
Synonym: bestiality. ... Origin: zoo-+ G. Erastes, lover ... (05 Mar 2000) ...

zooflagellate
<protozoa> Flagellate protozoa that do not have chlorophyll and are either holozoic, saprozoic, or symbiotic. ... (09 Oct 1997) ...

zoofulvin
A yellow pigment obtained from the feathers of certain birds. ... (05 Mar 2000) ...

zoogenesis
<cell biology> The origin of animal life on the planet. The origin and evolution of a particular animal species. ... (11 May 1997) ...

zoogeny
Synonym for zoogony ... The doctrine of the formation of living beings. ... Origin: root of Gr. To be born, offspring. ... (28 Oct 1998) ...

zooglea
In bacteriology, an old term for a mass of bacteria held together by a clear gelatinous substance. ... Origin: zoo-+ G. Glia, glue ... (05 Mar 2000) ...

zoogloea
<microbiology> A jellylike mass of bacterial cells produced by species such as Zooglea ramigera. These masses are often used in the treatment of raw sewage. ... (11 May 1997) ...

zoogonous
Synonym for viviparous ... 1. <biology, zoology> An animal that gives birth to live offspring, as opposed to laying eggs. ... 2. <botany> Describes seeds or fruit which sprout before they fall from the parent plant. ... (09 Oct 1997) ...

zoogony
The doctrine of the formation of living beings. ... Origin: root of Gr. To be born, offspring. ... (28 Oct 1998) ...

zoograft
A graft of tissue from an animal to a human. ... Synonym: animal graft, zooplastic graft. ... (05 Mar 2000) ...

zoografting
Synonym for zooplasty ... Grafting of tissue from an animal to a human. ... Synonym: zoografting. ... (05 Mar 2000) ...

zoographer
<specialist> One who describes animals, their forms and habits. ... (28 Oct 1998) ...

zooid
1. <biology> An organic body or cell having locomotion, as a spermatic cell or spermatozooid. ... 2. <zoology> Pertaining to, or resembling, an animal. An animal in one of its inferior stages of development, as one of the intermediate forms in alternate generation. One of the individual animals in a composite group, as of Anthozoa, Hydro …

zoolagnia
Sexual attraction toward animals. ... Origin: zoo-+ G. Lagneia, lust ... (05 Mar 2000) ...

zoolatry
The worship of animals. ... Origin: Gr. Worship. ... (28 Oct 1998) ...

zoolithe
A petrified animal. ... Origin: zoo-+ G. Lithos, stone ... (05 Mar 2000) ...

zoology
<study> The branch of biology dealing with the study of animals. ... (11 May 1997) ...

zoom
The action of a varifocal lens system in a camera or microscope that maintains an object in focus while approaching it or receding from it; this effect may be obtained by moving two or more of the lens components at rates bearing a linear relation to one another. ... (05 Mar 2000) ...

zoomania
<psychiatry> An excessive, abnormal love of animals. ... Origin: zoo-+ G. Mania, frenzy ... (05 Mar 2000) ...

zoomaric acid
Synonym for palmitoleic acid ... 9-Hexadecenoic acid;a monounsaturated 16-carbon acid; one of the common constituents of the triacylglycerols of human adipose tissue. ... Synonym: zoomaric acid. ... (05 Mar 2000) ...

Zoomastigina
Synonym: Zoomastigophorea. ... Origin: zoo-+ G. Mastix, whip ... (05 Mar 2000) ...

zoomastigophora
A class of protozoa consisting of animal-like flagellates. Its organisms are heterotrophic and have one-to-many flagella. This class includes one superorder, parabasalidea, and six orders: choanoflagellida, kinetoplastida, proteromonadida, retortamonadida, diplomonadida, and oxymonadida. ... (12 Dec 1998) ...

Zoomastigophorasida
Synonym for Zoomastigophorea ... A class of flagellates (superclass Mastigophora) within the phylum Sarcomastigophora (flagellate and ameboid protozoans), of animal-like as opposed to plantlike characteristics. Chromatophores are absent; one to many flagella are found, although they may be absent in ameboid forms; sexuality is known in some groups. …

Zoomastigophorea
A class of flagellates (superclass Mastigophora) within the phylum Sarcomastigophora (flagellate and ameboid protozoans), of animal-like as opposed to plantlike characteristics. Chromatophores are absent; one to many flagella are found, although they may be absent in ameboid forms; sexuality is known in some groups. It includes many human parasites …

zoomorphism
1. The transformation of men into beasts. ... 2. The quality of representing or using animal forms; as, zoomorphism in ornament. ... 3. The representation of God, or of gods, in the form, or with the attributes, of the lower animals. 'To avoid the error of anthropomorphism, we fall into the vastly greater, and more absurd, error of zoomorphism.' (Miv …

zoomylus
An obsolete term for dermoid cyst. ... Origin: zoo-+ G. Mylos, stone ... (05 Mar 2000) ...

Zoon, Johannes
<person> Dutch dermatologist, *1902. ... See: balanitis of Zoon, Zoon's erythroplasia. ... (05 Mar 2000) ...

Zoon's erythroplasia
Synonym for plasma cell balanitis ... Benign circumscribed balanitis characterised microscopically by subepithelial plasma cell infiltration and clinically by small erythematous papular lesions. ... Synonym: balanitis circumscripta plasmacellularis, balanitis of Zoon, Zoon's erythroplasia. ... (05 Mar 2000) ...

zoonoses
Diseases of non-human animals that may be transmitted to man or may be transmitted from man to non-human animals. ... (12 Dec 1998) ...

zoonosis
<disease> The transmission of a disease from an animal or nonhuman species to humans. The natural reservoir is a nonhuman animal. ... Examples include: rabies, psittacosis (a viral disease of birds). ... (12 Nov 1997) ...

zoonotic
Relating to a zoonosis. ... (05 Mar 2000) ...

zoonotic cutaneous leishmaniasis
A form of cutaneous leishmaniasis characterised by rural distribution of human cases near infected rodents, particularly communal ground squirrels; characterised by acute rapidly developing dermal lesions that become severely inflamed, with moist necrotizing sores or ulcers that heal in two to eight months after a two to four month incubation perio …

zoonotic infection
An infection shared in nature by man with other species of vertebrate animals. ... (05 Mar 2000) ...

zoonotic potential
The potential for infections of subhuman animals to be transmissible to humans. ... (05 Mar 2000) ...

zooparasite
An animal parasite; an animal existing as a parasite. ... (05 Mar 2000) ...

zoophile
1. A lover of animals; especially one more fond of animals than of people. ... 2. One opposed to any animal experimentation; an antivivisectionist. ... Origin: zoo-+ G. Philos, fond ... (05 Mar 2000) ...

zoophilia
Synonym for zoophilism ... Fondness for animals, especially an extravagant fondness for them. ... Synonym: zoophilia. ... (05 Mar 2000) ...

zoophilic
<microbiology> Refers to a pathogen that can infect both humans and animals but prefers an animal host. ... (06 May 1997) ...

zoophilism
Fondness for animals, especially an extravagant fondness for them. ... Synonym: zoophilia. ... (05 Mar 2000) ...

zoophobia
<psychology> Morbid fear of animals. ... Origin: zoo-+ G. Phobos, fear ... (05 Mar 2000) ...

zoophyta
<zoology> An extensive artificial and heterogeneous group of animals, formerly adopted by many zoologists. It included the coelenterates, echinoderms, sponges, Bryozoa, Protozoa, etc. ... Sometimes the name is restricted to the Coelentera, or to the Anthozoa. ... Origin: NL, from Gr. Zoon = an animal + fyton a plant. ... Source: Websters Diction …

zoophyte
<zoology> Any one of numerous species of invertebrate animals which more or less resemble plants in appearance, or mode of growth, as the corals, gorgonians, sea anemones, hydroids, bryozoans, sponges, etc, especially any of those that form compound colonies having a branched or treelike form, as many corals and hydroids. ... Any one of the Zo …

zooplankton
<marine biology> Small (often microscopic) aquatic animals and nonphotosynthetic protists suspended or weakly swimming in water. ... (09 Oct 1997) ...

zooplastic graft
Synonym for zoograft ... A graft of tissue from an animal to a human. ... Synonym: animal graft, zooplastic graft. ... (05 Mar 2000) ...

zooplasty
Grafting of tissue from an animal to a human. ... Synonym: zoografting. ... (05 Mar 2000) ...

zoosadism
Sexual pleasure from cruelty to animals. ... (05 Mar 2000) ...

zoosmosis
The process of osmosis in living tissues. ... Origin: G. Zoos, living, + osmosis ... (05 Mar 2000) ...

zoospermia
The presence of live spermatozoa in the ejaculated semen. ... Origin: G. Zoon, living, + sperma, seed, + -ia ... (05 Mar 2000) ...

zoospore
<botany> A motile, flagellated spore. ... (09 Oct 1997) ...

zoosterol
An animal sterol. ... (05 Mar 2000) ...

zootechnics
<zoology> Another term for animal husbandry. ... (06 May 1997) ...

zootoxin
<pharmacology> Any poisonous substance (including but not limited to venom) produced by an animal. ... (11 May 1997) ...

zootrophotoxism
<disease> Food poisoning from eating tainted meat or other animal products. ... (11 May 1997) ...

zooxanthella
<biology, zoology> A symbiotic dinoflagellate found living symbiotically within cnidarians and other invertebrates. ... (09 Oct 1997) ...

zooxanthellae
<organism> Intracellular photosynthetic symbiotic dinoflagellates found in a variety of marine invertebrates. Systematics uncertain. ... (18 Nov 1997) ...

zopiclone
<drug> This hypnotic drug is used to treat insomnia and other sleep disorders. ... (09 Oct 1997) ...

zorilla
<zoology> Either one of two species of small African carnivores of the genus Ictonyx allied to the weasels and skunks. ... Alternative forms: zoril, and zorille. ... The best-known species (Ictonyx zorilla) has black shiny fur with white bands and spots. It has anal glands which produce a very offensive secretion, similar to that of the skunk. …

zorubicin
Semisynthetic derivative of daunorubicin; also similar to doxorubicin. Like those agents, zorubicin exerts significant myocardial toxicity. Used as an antineoplastic in breast cancer. ... (05 Mar 2000) ...

zoster
Synonym for herpes zoster ... <virology> A reactivation of the same Herpes virus that is responsible for chicken pox. This results in a painful blistery red rash that is confined to one side of the body. ... The zoster rash affects one nerve distribution or dermatome. Facial rash can lead to optic nerve involvement with resultant blindness. ... …

zoster encephalomyelitis
Inflammation of the brain and spinal cord caused by varicella-zoster virus, a member of the family Herpesviridae. ... (05 Mar 2000) ...

zoster immune globulin
A globulin fraction of pooled plasma from individuals who have recovered from herpes zoster; used prophylactically and therapeutically for varicella. ... (05 Mar 2000) ...

zosteriform
Synonym for zosteroid ... Resembling herpes zoster. ... Synonym: zosteriform. ... Origin: zoster + G. Eidos, resemblance ... (05 Mar 2000) ...

zosteroid
Resembling herpes zoster. ... Synonym: zosteriform. ... Origin: zoster + G. Eidos, resemblance ... (05 Mar 2000) ...

zovirax
Synonym for acyclovir ... <drug> An antiviral medication used to treat herpes virus infections. ... Nucleoside analogue (hydroxyethoxymethyl guanine) with antiviral properties, active against both type 1 and 2 herpes virus. Inactive until phosphorylated by specific viral enzyme, thymidine kinase and then blocks replication by inhibiting viral D …

zoxazolamine
<chemical> A uricosuric and muscle relaxant. Zoxazolamine acts centrally as a muscle relaxant, but the mechanism of its action is not understood. ... Pharmacological action: muscle relaxants, central, uricosuric agents. ... Chemical name: 2-Benzoxazolamine, 5-chloro- ... (12 Dec 1998) ...

Zr
Symbol for zirconium. ... (05 Mar 2000) ...

Zsigmondy, Richard
<person> Austro-German chemist and Nobel laureate, 1865-1929. ... See: Zsigmondy's test, brownian-Zsigmondy movement. ... (05 Mar 2000) ...

Zsigmondy's test
Synonym for Lange's test ... An obsolete, non-specific test for altered proteins in spinal fluid. As originally used by Lange in 1912, the test was thought to be specific for neurosyphilis; however, this proved to be incorrect. Dilutions of spinal fluid are made in saline and to these a colloidal gold solution is added; if altered proteins are prese …

ZSR
<abbreviation> Zeta sedimentation ratio. ... (05 Mar 2000) ...

Zubrod scale
A 5-point scale similar to the 10-point Karnofsky scale; both measure the performance status of a patient's ambulatory nature, from normal activity to total dependence on others for care. ... See: Karnofsky scale. ... (05 Mar 2000) ...

zuckergussleber
Synonym: frosted liver. ... Origin: Ger. Zuckerguss, sugar frosting, + Leber, liver ... (05 Mar 2000) ...

Zuckerkandl, Emil
<person> Austrian anatomist, 1849-1910. ... See: Zuckerkandl's bodies, Zuckerkandl's convolution, Zuckerkandl's fascia, organs of Zuckerkandl. ... (05 Mar 2000) ...

Zuckerkandl's bodies
Synonym for para-aortic bodies ... Small masses of chromaffin cells found near the sympathetic ganglia along the abdominal aorta. They serve as chemoreceptors responsive to oxygen, carbon dioxide, and hydrogen ion concentration, and help to control respiration. ... (12 Dec 1998) ...