| AO | abdominal aorta; achievement orientation; acid output; acridine orange; ankle orthosis; anodal openi... |
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| AVO | aortic valve opening; aortic valve orifice; atrioventricular opening |
| JVP | [POMD P 49 - 52] 1) Jugular Vein Pressure 2) Jugular Venous Pulse ... |
| OS | 1) Opening Snap 2) Orthopedic(Osteo)-Surgery; Á¤Çü ¿Ü°ú 3) Ocu... |
| A2-OS | aortic second sound, opening snap |
| JOR | Jaw-opening reflex |
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| VO | Vaginal opening |
| opening | 1. The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech. "The opening of your glory was like that of light." (Dryden) 2. A place which is open; a breach; an aperture; a gap; cleft, or hole. "We saw him at the opening of his tent." (Shak) 3. Hence: A vacant place; an opportunity; as, an opening for business. 4. A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings. Source: Websters Dictionary (01 Mar 1998) |
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| opening axis | An imaginary line around which the mandibular condyles may rotate during opening and closing movements. Compare: fulcrum line. (05 Mar 2000) |
| opening contraction | A contraction produced at the time of opening the circuit when using direct current to stimulate the muscle or a motor nerve. (05 Mar 2000) |
| opening movement | In dentistry, movement of the mandible executed during jaw separation. (05 Mar 2000) |
| opening of external acoustic meatus | The orifice of the external acoustic meatus in the tympanic portion of the temporal bone. Synonym: porus acusticus externus, external acoustic foramen, external acoustic pore, external auditory pore, external auditory foramen, orifice of external acoustic meatus. (05 Mar 2000) |
| opening of inferior vena cava | The orifice through which the inferior vena cava opens into the right atrium. Synonym: ostium venae cavae inferioris, orifice of inferior vena cava. (05 Mar 2000) |
| opening of internal acoustic meatus | The inner opening of the internal acoustic meatus on the posterior surface of the petrous part of the temporal bone. Synonym: porus acusticus internus, internal acoustic foramen, internal acoustic pore, auditory pore, internal auditory foramen, orifice of internal acoustic meatus. (05 Mar 2000) |
| opening of pulmonary trunk | The opening of the pulmonary trunk from the right ventricle, guarded by the pulmonary valve. Synonym: ostium trunci pulmonalis, pulmonary orifice. (05 Mar 2000) |
| opening of superior vena cava | The point of entry of the superior vena cava into the right atrium. Synonym: ostium venae cavae superioris, orifice of superior vena cava. (05 Mar 2000) |
| opening of the sphenoidal sinus | One of the pair of openings in the body of the sphenoid bone through which the sphenoid sinuses communicate with the sphenoethmoidal recess of the nasal cavity. Synonym: apertura sinus sphenoidalis, sphenoidal sinus aperture. (05 Mar 2000) |
| opening of uterus | The vaginal opening of the uterus. Synonym: ostium uteri, mouth of the womb, opening of uterus, orificium externum uteri, os uteri externum, ostium uteri externum. (05 Mar 2000) |
| opening to cerebral aqueduct | Entrance to the cerebral aqueduct (of Sylvius) from the caudal part of the third ventricle. Synonym: aditus ad aqueductum cerebri, Bartholin's anus, opening to cerebral aqueduct. (05 Mar 2000) |
| openings of pulmonary veins | The orifices of the pulmonary veins, usually two on each side, in the wall of the left atrium. Synonym: ostia venarum pulmonalium. (05 Mar 2000) |
| access opening | 1. A coming to, or near approach; admittance; admission; accessibility; as, to gain access to a prince. "I did repel his letters, and denied His access to me." (Shak) 2. The means, place, or way by which a thing may be approached; passage way; as, the access is by a neck of land. "All access was thronged." 3. Admission to sexual intercourse. "During coverture, access of the husband shall be presumed, unless the contrary be shown." (Blackstone) 4. Increase by something added; addition; as, an access of territory. [In this sense accession is more generally used] "I, from the influence of thy looks, receive Access in every virtue." (Milton) 5. An onset, attack, or fit of disease. "The first access looked like an apoplexy." (Burnet) 6. A paroxysm; a fit of passion; an outburst; as, an access of fury. Origin: F. Acces, L. Accessus, fr. Accedere. See Accede. Source: Websters Dictionary (01 Mar 1998) |
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| anodal opening contraction | An obsolete term for the momentary contraction of a muscle under the influence of the positive pole when the circuit is broken. (05 Mar 2000) |
| anodal opening tetanus | An obsolete term for a tonic contraction in a muscle, to which the anode is applied, when the circuit is opened. (05 Mar 2000) |
| aortic opening | The opening in the diaphragm bounded by the two crura, the vertebral column, and the median arcuate ligament, through which pass the aorta and thoracic duct. Synonym: hiatus aorticus, aortic foramen, aortic opening. (05 Mar 2000) |
| cardiac opening | The trumpet-shaped opening of the oesophagus into the stomach. Synonym: ostium cardiacum, cardiac opening, oesophagogastric orifice. (05 Mar 2000) |
| vaginal opening | The narrowest portion of the canal, in the floor of the vestibule posterior to the urethral orifice. Synonym: ostium vaginae, orificium vaginae, vaginal opening. (05 Mar 2000) |
| vertical opening | The length of the face determined by the distance of separation of jaws. Occlusal vertical dimension (ovd or vdo) or contact vertical dimension is the lower face height with the teeth in centric occlusion. Rest vertical dimension (vdr) is the lower face height measured from a chin point to a point just below the nose, with the mandible in rest position. (12 Dec 1998) |
| cathodal opening clonus | An obsolete term for a clonus produced near a cathode when the flow of current is stopped. (05 Mar 2000) |
| cathodal opening contraction | An obsolete term for the momentary contraction of a muscle under the influence of the negative pole when the circuit is broken. (05 Mar 2000) |
| cathodal opening tetanus | An obsolete term for a tonic contraction in a muscle, to which the cathode is applied; when the circuit is opened, the contraction is suddenly interrupted. (05 Mar 2000) |
| Ritter's opening tetanus | The tetanic contraction that occasionally occurs when a strong current, passing through a long stretch of nerve, is suddenly interrupted. (05 Mar 2000) |
| pharyngeal opening of auditory tube | An opening in the upper part of the nasopharynx about 1.2 cm behind the posterior extremity of the inferior concha on each side. Synonym: ostium pharyngeum tubae auditivae, pharyngeal opening of eustachian tube. (05 Mar 2000) |
| pharyngeal opening of eustachian tube | An opening in the upper part of the nasopharynx about 1.2 cm behind the posterior extremity of the inferior concha on each side. Synonym: ostium pharyngeum tubae auditivae, pharyngeal opening of eustachian tube. (05 Mar 2000) |
| piriform opening | The anterior nasal opening in the skull. Synonym: apertura piriformis, piriform opening. (05 Mar 2000) |
| cornua of falciform margin of saphenous opening | See: inferior horn of falciform margin of saphenous opening, superior horn of falciform margin of saphenous opening. (05 Mar 2000) |
| opening |
an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall" a ceremony accompanying the start of some enterprise becoming open or being made open; "the opening of his arms was the sign I was waiting for" the first performance (as of a theatrical production); "the opening received good critical reviews" the act of opening something; "the ray of light revealed his cautious opening of the door" opportunity especially for employment or promotion; "there is an opening in the sales department" the initial part of the introduction; "the opening established the basic theme" possibility: a possible alternative; "bankruptcy is always a possibility" orifice: an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart" a vacant or unobstructed space that is man-made; "they left a small opening for the cat at the bottom of the door" hatchway: an entrance equipped with a hatch; especially a passageway between decks of a ship a recognized sequence of moves at the beginning of a game of chess; "he memorized all the important chess openings" first step: the first of a series of actions first or beginning; "the memorable opening bars of Beethoven's Fifth"; "the play's opening scene"
Ãâó: wordnet.princeton.edu/perl/webwn
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| opening |
The first phase of the chess game where each player attempts to develop his/her pieces, control the center, and castle his/her King into safety.
Ãâó: www.geocities.com/allentownchess/terms.html
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| opening |
Surface entrance to mine workings.
Ãâó: www.readinganthracite.com/glossary.htm
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| opening |
The period at the beginning of the trading session officially designated by the exchange during which all transactions are considered made "at the opening."
Ãâó: www.cftc.gov/opa/glossary/opaglossary_o.htm
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| opening pressure |
ABBR: OP. The pressure of the cerebrospinal fluid that is detected just after a needle is placed into the spinal canal. It is normally 100 to 180 mm H20.
Ãâó:
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| opening | the first of a series of actions |
|---|---|
| opening | the act of opening something |
| opening | becoming open or being made open |
| opening | an entrance equipped with a hatch |
| opening | a vacant or unobstructed space |
| opening | an aperture or hole opening into a bodily cavity |
| opening | a possible alternative |
| opening | the initial part of the introduction |
| opening | the first performance (as of a theatrical production) |
| opening | a ceremony accompanying the start of some enterprise |
| opening | an open or empty space in or between things |
| opening | opportunity especially for employment or promotion |
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