| AA | 1) Aortic Arch(= Arcus Aortae)(= AA); ´ëµ¿¸Æ±Ã 2) Aplastic Anemia - Anemia |
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| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| AB-SAAP | autologous blood selective aortic arch perfusion |
| ALW | arch-loop whorl |
| IAA | Interrupted aortic arch |
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| IAA | Interruption of the aortic arch |
| arch | <dentistry> Collectively, either the teeth or the basal bone of either jaw. (08 Jan 1998) |
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| arch bar | Any one of several types of wires, bar's, or splints conforming to the arch of the teeth, extending from one side of the arch to the other and located labially, or lingually; used for the treatment of jaw fractures and/or stabilization of injured teeth. (05 Mar 2000) |
| arch length | The amount of space required for the permanent teeth as measured from the mesial aspect of the first molar on one side to the mesial aspect of the first molar on the opposite side, as measured through the contact points along an imaginary line of the dental arch. (05 Mar 2000) |
| arch length deficiency | The difference between the available circumference of the dental arch and that required to accommodate the succedaneous teeth in proper alignment. (05 Mar 2000) |
| arch of cricoid cartilage | The narrow part of the cartilage that encircles the air passage anterior to the lamina. Synonym: arcus cartilaginis cricoideae. (05 Mar 2000) |
| arch of the aorta | The curved portion between the ascending and descending parts of the aorta; it begins as a continuation of the ascending aorta posterior to the sternal angle, runs posteriorly and slightly to the left as it passes over the root of the left lung, and becomes the descending aorta as it reaches and begins to course along the vertebral column; it gives rise to the brachiocephalic trunk, the left common carotid and left subclavian arteries. Any member of the several pairs of arterial channels encircling the embryonic pharynx in the mesenchyme of the brachial arches; there are potentially six pairs, but in mammals the fifth pair is poorly developed or absent. The first and second pairs are functional only in very young embryos; the third pair is involved in the formation of the carotids; the fourth arch on the left is incorporated in the arch of the aorta; the sixth pair forms the proximal part of the pulmonary arteries. A series of arterial channels encircling the embryonic pharynx in the mesenchyme of the branchial arch's. There are potentially six pairs, but in mammals the fifth pair is poorly developed or absent. The first and second pairs are functional only in very young embryos; the third pair is involved in the formation of the carotids; the fourth arch on the left is incorporated in the arch of the aorta; the sixth pair forms the proximal part of the pulmonary arteries. Synonym: arcus aortae. (05 Mar 2000) |
| arch of the palate | The vaulted roof of the mouth. (05 Mar 2000) |
| arch of thoracic duct | See: thoracic duct. (05 Mar 2000) |
| arch-loop-whorl system | See: Galton's system of classification of fingerprints. (05 Mar 2000) |
| archae | <microbiology> This is a classification of odd bacteria that are neither prokaryotes nor eukaryotes, some scientists believe they represent a separate kingdom. The primary species is Archaebacteria, whose members fall in three categories: microbes that can live in extremely salty environments (halophiles), microbes that produce methane (methanogens), and microbes that can live in extremely hot environments (thermophiles). All are of interest to biotechnologists because they have unique biochemical features (for example, the enzymes of the theromophiles are extremely stable at high temperatures). (10 Jan 1998) |
| archaea | A unique group of microorganisms. They are called bacteria (Archaeobacteria) but they are genetically and metabolically different from all other known bacteria. They appear to be living fossils, the survivors of an ancient group of organisms that bridged the gap in evolution between bacteria and the eukaryotes (multicellular organisms). The name Archaea comes from the Greek archaios meaning ancient. (12 Dec 1998) |
| archaeal proteins | Proteins found in any species of archaeon. (12 Dec 1998) |
| archaean | <geology> The earliest period in geological period, extending up to the Lower Silurian. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life. This is equivalent to the formerly accepted term Azoic, and to the Eozoic of Dawson. Source: Websters Dictionary (01 Mar 1998) |
| Archaebacteria | <microbiology> One of two major subdivisions of the prokaryotes. There are three main Orders, extreme halophiles, methanogens and sulphur dependant extreme thermophiles. Archaebacteria differ from Eubacteria in ribosomal structure, the possession (in some cases) of introns and in a number of other features including membrane composition. (18 Nov 1997) |
| archaeocerebellum | Synonym: archicerebellum. Origin: G. Archaios, ancient, + cerebellum (05 Mar 2000) |
| abdominothoracic arch | A bell-shaped line defined by the lower end of the sternum and the costal arches on each side, constituting a boundary line between the anterolateral portions of the thoracic and abdominal walls. (05 Mar 2000) |
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| alveolar arch of mandible | The free margin of the alveolar process of the mandible. Synonym: arcus alveolaris mandibulae, limbus alveolaris. (05 Mar 2000) |
| alveolar arch of maxilla | The free border of the alveolar process of the maxilla. Synonym: arcus alveolaris maxillae, limbus alveolaris. (05 Mar 2000) |
| anterior arch of atlas | An arch that connects the lateral masses of the atlas anteriorly and articulates with the anterior articular facet of the dens of the axis. Synonym: arcus anterior atlantis. (05 Mar 2000) |
| anterior palatine arch | One of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms anterior margin of the tonsillar fossa. Also demarcates oral cavity from isthmus of fauces. Synonym: arcus palatoglossus, anterior palatine arch, anterior pillar of fauces, arcus glossopalatinus, glossopalatine arch, glossopalatine fold. (05 Mar 2000) |
| aortic arch | The curved portion between the ascending and descending parts of the aorta; it begins as a continuation of the ascending aorta posterior to the sternal angle, runs posteriorly and slightly to the left as it passes over the root of the left lung, and becomes the descending aorta as it reaches and begins to course along the vertebral column; it gives rise to the brachiocephalic trunk, the left common carotid and left subclavian arteries. Any member of the several pairs of arterial channels encircling the embryonic pharynx in the mesenchyme of the brachial arches; there are potentially six pairs, but in mammals the fifth pair is poorly developed or absent. The first and second pairs are functional only in very young embryos; the third pair is involved in the formation of the carotids; the fourth arch on the left is incorporated in the arch of the aorta; the sixth pair forms the proximal part of the pulmonary arteries. A series of arterial channels encircling the embryonic pharynx in the mesenchyme of the branchial arch's. There are potentially six pairs, but in mammals the fifth pair is poorly developed or absent. The first and second pairs are functional only in very young embryos; the third pair is involved in the formation of the carotids; the fourth arch on the left is incorporated in the arch of the aorta; the sixth pair forms the proximal part of the pulmonary arteries. Synonym: arcus aortae. (05 Mar 2000) |
| aortic arch syndrome | <syndrome> Aortic arch syndrome, also referred to by many as vertebral-basilar artery disease, carotid artery occlusive syndrome and subclavian steal syndrome is characterised by a constellation of signs and symptoms which occur secondary to abnormalities in the major arteries which extend off of the aortic arch. These abnormalities are structural and most often secondary to the effects of atherosclerosis, blood clots, trauma or a congenital abnormality. Symptoms of this condition include various neurologic symptoms, reduction in pulse and changes in blood pressure. (27 Sep 1997) |
| aortic arch syndromes | Any of a group of disorders leading to occlusion of the arteries arising from the aortic arch. Such occlusion may be caused by atherosclerosis, arterial embolism, syphilitic or tuberculous arteritis, etc. (12 Dec 1998) |
| arterial arch of lower eyelid | Formed by the medial palpebral artery which communicates with a branch of the lacrimal artery along the tarsal margin. Synonym: arcus palpebralis inferior. (05 Mar 2000) |
| arterial arch of upper eyelid | Formed by communicating branches of the medial and lateral palpebral arteries. Often two arches are present, one located near the free border of the tarsal plate, the other along the upper border of the tarsus. Synonym: arcus palpebralis superior. (05 Mar 2000) |
| available arch length | <dentistry> The amount of space available for the permanent teeth around the dental arch from the first permanent molar on the left to the first permanent molar on the right. (05 Mar 2000) |
| axillary arch | <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. (05 Mar 2000) |
| axillary arch muscle | <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. (05 Mar 2000) |
| Byzantine arch palate | Incomplete fusion of the palatal process with the nasal spine. (05 Mar 2000) |
| palatoglossal arch | One of a pair of ridges or folds of mucous membrane passing from the soft palate to the side of the tongue; it encloses the palatoglossus muscle and forms anterior margin of the tonsillar fossa. Also demarcates oral cavity from isthmus of fauces. Synonym: arcus palatoglossus, anterior palatine arch, anterior pillar of fauces, arcus glossopalatinus, glossopalatine arch, glossopalatine fold. (05 Mar 2000) |
Synonyms : Archaeon, Archebacteria
Synonyms : Gene Proteins, Archaeal
Synonyms : Archaeal Virus, Virus, Archaeal, Viruses, Archaeal
Synonyms :
Synonyms :
| arch- |
a curved shape in the vertical plane that spans an opening a curved bony structure supporting or enclosing organs (especially the inner sides of the feet) a passageway under a curved masonry construction; "they built a triumphal arch to memorialize their victory" (used of behavior or attitude) characteristic of those who treat others with condescension (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it form an arch or curve; "her back arches"; "her hips curve nicely" arch(a): expert in skulduggery; "an arch criminal"
Ãâó: wordnet.princeton.edu/perl/webwn
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| archetypal |
representing or constituting an original type after which other similar things are patterned; "archetypal patterns"; "she was the prototypal student activist"
Ãâó: wordnet.princeton.edu/perl/webwn
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| archetypical |
archetypal: representing or constituting an original type after which other similar things are patterned; "archetypal patterns"; "she was the prototypal student activist"
Ãâó: wordnet.princeton.edu/perl/webwn
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| arch |
a curved shape in the vertical plane that spans an opening a curved bony structure supporting or enclosing organs (especially the inner sides of the feet) a passageway under a curved masonry construction; "they built a triumphal arch to memorialize their victory" (used of behavior or attitude) characteristic of those who treat others with condescension (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it form an arch or curve; "her back arches"; "her hips curve nicely" arch(a): expert in skulduggery; "an arch criminal"
Ãâó: wordnet.princeton.edu/perl/webwn
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| archaic |
antediluvian: so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws" little evolved from or characteristic of an earlier ancestral type; "archaic forms of life"; "primitive mammals"; "the okapi is a short-necked primitive cousin of the giraffe"
Ãâó: wordnet.princeton.edu/perl/webwn
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| arch | (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it |
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| arch | a passageway under an arch |
| arch | a curved bony structure supporting or enclosing organs (especially arches of the feet) |
| arch | a curved shape in the vertical plane that spans an opening |
| arch | form an arch |
| arch | (of persons) highest in rank or authority or office |
| arch | expert in skulduggery |
| arch | (used of behavior or attitude) characteristic of those who treat others with condescension |
| arch | form an arch over |
| arch | a support for the arch of the foot |
| arch | (geology) used of the earliest known rocks |
| arch | considered ancient life forms that evolved separately from bacteria and blue-green algae |
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