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

hemianencephaly
Anencephaly on one side only, or involving one side much more extensively than the other. ... (05 Mar 2000) ...

hemianesthesia
<neurology> The inability to feel touches (tactile sensations) on one side of the body. ... (09 Oct 1997) ...

hemianopia
Loss of vision for one half of the visual field of one or both eyes. ... Synonym: hemianopsia. ... (05 Mar 2000) ...

hemianopic
Pertaining to hemianopia. ... (05 Mar 2000) ...

hemianopic scotoma
A scotoma involving half of the central field. ... (05 Mar 2000) ...

hemianopic spectacles
Spectacles with a prism or mirror to allow the individual with homonymous hemianopia to see objects in his blind half field. ... (05 Mar 2000) ...

hemianopsia
<neurology, ophthalmology> Blindness for half the field of vision in one or both eyes. ... Origin: Gr. Opsis = vision ... (09 Mar 1998) ...

hemianosmia
<neurology> Loss of smell in one nostril ... (27 Sep 1997) ...

hemiaplasia
Absence of one lobe of a bilobed organ; used especially with reference to the thyroid gland. ... Origin: hemi-+ aplasia ... (05 Mar 2000) ...

hemiapraxia
<neurology> Inability to exercise purposeful movements on one side of the body. ... (27 Sep 1997) ...

hemiarthroplasty
Arthroplasty in which one joint surface is replaced with artificial material, usually metal. ... (05 Mar 2000) ...

hemiasynergia
Asynergia affecting one side of the body. ... (05 Mar 2000) ...

hemiataxia
Ataxia affecting one side of the body. ... (05 Mar 2000) ...

hemiathetosis
Athetosis affecting one hand, or one hand and foot, only. ... (05 Mar 2000) ...

hemiatrophy
Atrophy of one lateral half of a part or of an organ, as the face or tongue. ... (05 Mar 2000) ...

hemiazygos vein
<anatomy, vein> Formed by the merger of the left ascending lumbar vein with the left subcostal vein or a communication from the inferior vena cava, it pierces the left crus of the diaphragm, ascends along the left side of the bodies of the lower thoracic vertebrae, opposite the eighth vertebra, crosses the midline behind the aorta, thoracic d …

hemiballism
Synonym: hemiballismus. ... Origin: hemi-+ G. Ballismos, jumping about ... (05 Mar 2000) ...

hemiballismus
Ballism involving one side of the body. ... Synonym: hemiballism. ... Origin: hemi-+ G. Ballismos, jumping about ... (05 Mar 2000) ...

hemiblock
Arrest of the impulse in one of the two main divisions of the left branch of the bundle of His; i.e., in either the anterior (superior) division or the posterior (inferior) division. ... (05 Mar 2000) ...

hemibody irradiation
Irradiation of one half or both halves of the body in the treatment of disseminated cancer or widespread metastases. It is used to treat diffuse metastases in one session as opposed to multiple fields over an extended period. The more frequent treatment modalities are upper hemibody irradiation (uhbi) or lower hemibody irradiation (lhbi). Less comm …

hemic and immune systems
The organs involved in the production and functions of the blood and the cellular and molecular components providing defense against foreign organisms or substances. ... (12 Dec 1998) ...

hemic and lymphatic diseases
Haematologic diseases and diseases of the lymphatic system collectively. Hemic diseases include disorders involving the formed elements (e.g., erythrocyte aggregation, intravascular) and chemical components (e.g., blood protein disorders); lymphatic diseases include disorders relating to lymph, lymph nodes, and lymphocytes. ... (12 Dec 1998) ...

hemic calculus
Synonym for blood calculus ... An angiolith or concretion of coagulated blood. ... Synonym: hemic calculus. ... (05 Mar 2000) ...

hemic distomiasis
Synonym for schistosomiasis ... Disease (bilharzia) caused by digenetic trematode worms of the genus Schistosoma, the adults of which live in the urinary or mesenteric blood vessels. Eggs shed by the female worms pass to the outside in the urine or faeces, but many also lodge in and obstruct the blood flow in the liver. Eosinophils seem to be partic …

hemic murmur
A cardiac or vascular murmur heard in anaemic persons who have no valvular lesion, probably due to the increased blood velocity and turbulence that characterises anaemia. ... (05 Mar 2000) ...

hemicardia dextra
Right side of the heart. ... (05 Mar 2000) ...

hemicardia sinistra
Left side of the heart. ... (05 Mar 2000) ...

hemicellulose
<plant biology> Class of plant cell wall polysaccharide that cannot be extracted from the wall by hot water or chelating agents, but can be extracted by aqueous alkali. Includes xylan, glucuronoxylan, arabinoxylan, arabinogalactan II, glucomannan, xyloglucan and galactomannan. Part of the cell wall matrix. ... (18 Nov 1997) ...

hemicentrum
One of the two lateral halves of the body of the vertebra. ... Origin: hemi-+ G. Kentron, centre ... (05 Mar 2000) ...

hemicephalalgia
The unilateral headache characteristic of typical migraine. ... Synonym: hemicrania. ... Origin: hemi-+ G. Kephale, head, + algos, pain ... (05 Mar 2000) ...

hemicephalia
Congenital failure of the cerebrum to develop normally; usually the cerebellum and basal ganglia are represented at least in rudimentary form. ... Synonym: partial anencephaly. ... Origin: hemi-+ G. Kephale, head ... (05 Mar 2000) ...

hemicephaly
<embryology> A congenital defect where half of the brain (specifically, one side of the cerebrum, which is the largest part of the brain) does not develop in the foetus. ... The cerebellum and basal ganglia may still develop somewhat. ... (09 Oct 1997) ...

hemicholinium
A chemical which interferes with the synthesis of acetylcholine in cholinergic nerve terminals. ... (05 Mar 2000) ...

hemicholinium 3
<chemical> A potent inhibitor of the high affinity uptake system for choline. It has less effect on the low affinity uptake system. Since choline is one of the components of acetylcholine, treatment with hemicholinium can deplete acetylcholine from cholinergic terminals. Hemicholinium 3 is commonly used as a research tool in animal and in vit …

hemichorea
Chorea involving the muscles on one side only. ... Synonym: chorea dimidiata, hemilateral chorea. ... (05 Mar 2000) ...

hemicolectomy
<procedure> Removal of the right or left side of the colon. ... Origin: hemi-+ G. Kolon, colon, + ektome, excision ... (05 Mar 2000) ...

hemicorporectomy
<procedure> Surgical removal of the lower half of the body, including the lower extremities, bony pelvis, genitalia, and various of the pelvic contents including the lower part of the rectum to the anus. ... Origin: hemi-+ L. Corpus, body, + G. Ektome, excision ... (05 Mar 2000) ...

hemicraniectomy
Synonym: hemicraniotomy. ... Origin: hemi-+ G. Kranion, skull, + ektome, excision ... (05 Mar 2000) ...

hemicraniosis
Enlargement of one side of the cranium. ... (05 Mar 2000) ...

hemicraniotomy
<procedure> Separation and reflection of the greater part or all of one half of the cranium, as a preliminary to an operation upon the brain. ... Synonym: hemicraniectomy. ... Origin: hemi-+ G. Kranion, skull, + tome, cut ... (05 Mar 2000) ...

hemicryptophyte
<botany> A perennial plant having its overwintering buds located at the soil surface. ... (09 Oct 1997) ...

hemidesmosome
<cell biology> Specialised junction between an epithelial cell and its basal lamina. Although morphologically similar to half a desmosome (into which intermediate cytokeratin filaments are also inserted) different proteins are involved. ... Origin: Gr. Soma = body ... (18 Nov 1997) ...

hemidesmosomes
Half desmosomes that occur on the basal surface of the stratum basalis of stratified squamous epithelium. ... (05 Mar 2000) ...

hemidiaphoresis
Diaphoresis, or sweating, on one side of the body. ... Synonym: hemidrosis, hemihidrosis. ... (05 Mar 2000) ...

hemidrosis
Synonym: haematidrosis. ... Synonym: hemidiaphoresis. ... (05 Mar 2000) ...

hemidysesthesia
Dysesthesia affecting one side of the body. ... (05 Mar 2000) ...

hemidystrophy
Underdevelopment of one lateral half of the body. ... Origin: hemi-+ G. Dys-, ill, + trophe, nourishment, growth ... (05 Mar 2000) ...

hemiectromelia
Defective development of the limbs on one side of the body. ... Origin: hemi-+ ectromelia ... (05 Mar 2000) ...

hemifacial
Pertaining to one side of the face. ... (05 Mar 2000) ...

hemifacial spasm
Tonic spasm of the muscles supplied by the facial nerve, confined to one side. ... (12 Dec 1998) ...

hemigastrectomy
<procedure> Excision of the distal one-half of the stomach. ... (05 Mar 2000) ...

hemigeusia
Synonym for hemiageusia ... Loss of taste from one side of the tongue. ... Synonym: hemiageustia, hemigeusia. ... Origin: hemi-+ G. A-priv. + geusis, taste ... (05 Mar 2000) ...

hemiglossal
Synonym: hemilingual. ... Origin: hemi-+ G. Glossa, tongue ... (05 Mar 2000) ...

hemiglossectomy
<procedure> Surgical removal of one-half of the tongue. ... Origin: hemi-+ G. Glossa, tongue, + ektome, excision ... (05 Mar 2000) ...

hemiglossitis
A vesicular eruption on one side of the tongue and the corresponding inner surface of the cheek, probably herpetic. ... Origin: hemi-+ G. Glossa, tongue, + -itis, inflammation ... (05 Mar 2000) ...

hemignathia
Defective development of one side of the mandible. ... Origin: hemi-+ G. Gnathos, jaw ... (05 Mar 2000) ...

hemihedral
<chemistry> Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being conta …

hemihepatectomy
<procedure> Surgical removal of one-half or a lobe of the liver. ... (05 Mar 2000) ...

hemihidrosis
Synonym for hemidiaphoresis ... Diaphoresis, or sweating, on one side of the body. ... Synonym: hemidrosis, hemihidrosis. ... (05 Mar 2000) ...

hemihydranencephaly
A unilateral form of hydranencephaly. ... (05 Mar 2000) ...

hemihypalgesia
Hypalgesia affecting one side of the body. ... (05 Mar 2000) ...

hemihyperesthesia
Hyperesthesia, or increased tactile and painful sensibility, affecting one side of the body. ... (05 Mar 2000) ...

hemihyperhidrosis
Excessive sweating confined to one side of the body. ... Origin: hemi-+ G. Hyper, over, + hidrosis, sweating ... (05 Mar 2000) ...

hemihyperidrosis
Hemihyperhidrosis. ... (05 Mar 2000) ...

hemihypertonia
Exaggerated muscular tonicity on one side of the body. ... Synonym: hemitonia. ... Origin: hemi-+ G. Hyper, over, + tonos, tone ... (05 Mar 2000) ...

hemihypertrophy
<embryology> Abnormal enlargement of one side of the body. ... (27 Sep 1997) ...

hemihypesthesia
Diminished sensibility in one side of the body. ... Synonym: hemihypoesthesia. ... Origin: hemi-+ G. Hypo, under, + aestheses, sensation ... (05 Mar 2000) ...

hemihypoesthesia
Synonym: hemihypesthesia. ... Origin: hemi-+ G. Hypo, under, + aistheses, sensation ... (05 Mar 2000) ...

hemihypotonia
Partial loss of muscular tonicity on one side of the body. ... Origin: hemi-+ G. Hypo, under, + tonos, tone ... (05 Mar 2000) ...

hemikaryon
A cell nucleus containing a haploid set of chromosomes. ... Origin: hemi-+ G. Karyon, nut (nucleus) ... (05 Mar 2000) ...

hemiketal
RC(R')(OH)OR', a product of the addition of an alcohol to a ketone. In the ketose sugars, the hemiketal formation is from an attack by an internal OH on the ketone carbonyl leading to intramolecular cyclization (furanose or pyranose); the hemiketal forms of the sugars are involved in polysaccharide formation, as glycosyls or glycosides. ... See: hem …

hemilaminectomy
<procedure> Removal of a portion of a vertebral lamina, usually performed for exploration of, access to, or decompression of the intraspinal contents. ... Origin: hemi-+ L. Lamina, layer, + G. Ektome, excision ... (05 Mar 2000) ...

hemilaryngectomy
<procedure> Excision of one lateral half of the larynx. ... Origin: hemi-+ G. Larnyx (laryng-), larynx, + ektome, excision ... (05 Mar 2000) ...

hemilateral
Relating to one lateral half. ... (05 Mar 2000) ...

hemilateral chorea
Synonym for hemichorea ... Chorea involving the muscles on one side only. ... Synonym: chorea dimidiata, hemilateral chorea. ... (05 Mar 2000) ...

hemilesion
A unilateral lesion. ... (05 Mar 2000) ...

hemilingual
Relating to one lateral half of the tongue. ... Synonym: hemiglossal. ... Origin: hemi-+ L. Lingua, tongue ... (05 Mar 2000) ...

hemimacroglossia
Enlargement of half the tongue. ... Origin: hemi-+ G. Makros, large, + glossa, tongue ... (05 Mar 2000) ...

hemimandibulectomy
<procedure> Resection of one-half of the mandible. ... (05 Mar 2000) ...

hemimetabolous
Pertaining to a member of the series of insect orders, the Hemimetabola, in which simple or incomplete metamorphosis is found. ... Origin: hemi-+ G. Metabole, change ... (05 Mar 2000) ...

hemimethylated DNA
<molecular biology> Duplex DNA where only one of the two strands are methylated and is important for regulating and protecting DNA. ... (13 Nov 1997) ...

hemin
<physiology> A substance, in the form of reddish brown, microscopic, prismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; called also Teichmann's crystals. Chemically, it is a hydrochloride of haematin. ... The obtaining of these small crystals, from old blood clots or suspected blood stains, constit …

hemiopalgia
Pain in one eye, usually accompanied by hemicrania. ... Origin: hemi-+ G. Ops, eye, + algos, pain ... (05 Mar 2000) ...

hemiopsia
<medicine> A defect of vision in consequence of which a person sees but half of an object looked at. ... Origin: Gr. Opsis = vision ... (09 Mar 1998) ...

hemipagus
Conjoined twins that are united laterally at the thorax; the zone of union may also involve the neck and jaws. ... See: conjoined twins. ... Origin: hemi-+ G. Pagos, something fixed ... (05 Mar 2000) ...

hemipancreatectomy
<procedure> Surgical resection of half of the pancreas. ... (05 Mar 2000) ...

hemiparaplegia
<neurology> Paralysis of one leg. ... (27 Sep 1997) ...

hemiparasite
<microbiology> An organism which lives on and derives part of its nourishment from a different organism, and is partially self-supporting. ... (09 Oct 1997) ...

hemiparesis
<neurology> Paralysis affecting only one side of the body. ... (27 Sep 1997) ...

hemipelvectomy
<procedure> Amputation of a lower limb through the sacroiliac joint. ... (12 Dec 1998) ...

hemipeptone
<physiology> A product of the gastric and pancreatic digestion of albuminous matter. ... Unlike antipeptone it is convertible into leucin and tyrosin, by the continued action of pancreatic juice. See Peptone. It is also formed from hemialbumose and albumin by the action of boiling dilute sulphuric acid. ... Origin: Hemi- + peptone. ... Source: W …

hemiplegia
<neurology> Paralysis of one side of the body. ... Origin: Gr. Pleg = stroke ... (18 Nov 1997) ...

hemiplegic
Relating to hemiplegia. ... (05 Mar 2000) ...

hemiplegic amyotrophy
Muscular atrophy seen in hemiplegic limbs. ... (05 Mar 2000) ...

hemiplegic gait
Gait in which the leg is stiff, without flexion at knee and ankle, and with each step is rotated away from the body, then towards it, forming a semicircle. ... Synonym: circumduction gait, spastic gait. ... (05 Mar 2000) ...

hemiplegic migraine
A form associated with transient hemiplegia. ... (05 Mar 2000) ...

hemiptera
<zoology> An order of hexapod insects having a jointed proboscis, including four sharp stylets (mandibles and maxillae), for piercing. In many of the species (Heteroptera) the front wings are partially coriaceous, and different from the others. ... They are divided into the Heteroptera, including the squash bug, soldier bug, bedbug, etc.; the …

hemisensory
Loss of sensation on one side of the body. ... Compare: hemianesthesia. ... (05 Mar 2000) ...

hemiseptum
A lateral half of any septum. ... (05 Mar 2000) ...

hemispasm
A spasm affecting one or more muscles of one side of the face or body. ... (05 Mar 2000) ...