| PM | after death (Lat. post mortem); after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomogr... |
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| DAM | data-associated message; degraded amyloid; diacetyl monoxime; diacetylmorphine |
| dam | decameter |
| RD | radial deviation; radiology department; rate difference; Raynaud disease; reaction of degeneration; ... |
| AHA | acetohydroxamic acid; acquired hemolytic anemia; acute hemolytic anemia; American Heart Association;... |
| Dam | DNA adenine methylase |
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| DAM | Diacetyl monoxime |
| Dam | deoxyadenosine methylase |
| Post-op | post-operative |
| BSA | A/body surface area |
| rubber dam | In surgery, thin strips of rubber used as a surgical drain or barrier, a thin sheet of rubber with holes that is placed over teeth to isolate them from the oral cavity. (05 Mar 2000) |
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| rubber dam clamp | A springlike metal piece encircling or grasping the cervix of a tooth and so shaped as to prevent a rubber dam from coming off the tooth. (05 Mar 2000) |
| rubber dam clamp forceps | A forceps with pronged jaws designed to engage the jaws of a rubber dam clamp so that they may be separated to pass over the widest buccolingual contour of a tooth. Synonym: rubber dam clamp forceps. (05 Mar 2000) |
| dam | 1. A female parent; used of beasts, especially of quadrupeds; sometimes applied in contempt to a human mother. "Our sire and dam, now confined to horses, are a relic of this age (13th century) . . . .Dame is used of a hen; we now make a great difference between dame and dam." (T. L. K. Oliphant) "The dam runs lowing up end down, Looking the way her harmless young one went." (Shak) 2. A kind or crowned piece in the game of draughts. Origin: OE. Dame mistress, lady; also, mother, dam. See Dame. 1. A barrier to prevent the flow of a liquid; especially, a bank of earth, or wall of any kind, as of masonry or wood, built across a water course, to confine and keep back flowing water. 2. <chemistry> A firebrick wall, or a stone, which forms the front of the hearth of a blast furnace. Dam plate, an iron plate in front of the dam, to strengthen it. Origin: Akin to OLG, D, & Dan. Dam, G. & Sw. Damm, Icel. Dammr, and AS. Fordemman to stop up, Goth. Faordammjan. Source: Websters Dictionary (01 Mar 1998) |
| Dam, C P Henrik | <person>Danish biochemist and Nobel laureate, 1895-1976. See: Dam unit. (05 Mar 2000) |
| dam gene | <molecular biology> A gene that codes for the synthesis of a DNA adenine methylase. (09 Oct 1997) |
| dam methylase | <enzyme> An enzyme responsible for the methylation of adenine residues in specific sequences. Synonym: deoxyadenosine methylase. (05 Mar 2000) |
| Dam methyltransferase | <enzyme> From E coli; recognises gatc sequences in E coli k12 DNA and methylates adenosine; not part of the modification system; has been sequenced Registry number: EC 2.1.1.- Synonym: eco dam methylase, p1 dam methylase, t4 dam methylase, t2 dam methylase, dam methylase, dam gene protein, k-12 DNA adenine methylase (26 Jun 1999) |
| Dam unit | A unit of activity of vitamin K; the smallest amount of vitamin K, per gram of chick per day, capable of producing normal coagulability in the blood of K-avitaminotic chicks after 3 days of oral administration. (05 Mar 2000) |
| acute post-streptococcal glomerulonephritis | <nephrology> A disease of the kidneys that results in inflammation of the glomerulus (the portion of the kidney that filters the blood). Conditions which may cause glomerulonephritis include post-streptococcal disease (strep throat), lupus, syphilis, bacterial endocarditis, membranoproliferative glomerulonephritis, sepsis, vasculitis, Goodpasture's syndrome, typhoid fever, Henoch-Schonlein purpura, hepatitis or a viral infection (for example mumps, measles, mononucleosis). (27 Sep 1997) |
| RNA processing, post-transcriptional | Post-transcriptional biological modification of messenger, transfer, or ribosomal rnas or their precursors. It includes cleavage, methylation, thiolation, isopentenylation, pseudouridine formation, conformational changes, and association with ribosomal protein. (12 Dec 1998) |
| post | 1. To travel with post horses; figuratively, to travel in haste. "Post seedily to my lord your husband." "And post o'er land and ocean without rest." (Milton) 2. To rise and sink in the saddle, in accordance with the motion of the horse, especially. In trotting. Origin: Cf. OF. Poster. See 4th Post. 1. A piece of timber, metal, or other solid substance, fixed, or to be fixed, firmly in an upright position, especially when intended as a stay or support to something else; a pillar; as, a hitching post; a fence post; the posts of a house. "They shall take of the blood, and strike it on the two side posts and on the upper doorpost of the houses." (Ex. Xii. 7) "Then by main force pulled up, and on his shoulders bore, The gates of Azza, post and massy bar." (Milton) "Unto his order he was a noble post." (Chaucer) Post, in the sense of an upright timber or strut, is used in composition, in such words as king-post, queen-post, crown-post, gatepost, etc. 2. The doorpost of a victualer's shop or inn, on which were chalked the scores of customers; hence, a score; a debt. "When God sends coin I will discharge your post." (S. Rowlands) From pillar to post. See Pillar. Knight of the post. See Knight. <machinery> Post hanger, a mode of working in which pillars of coal are left to support the roof of the mine. Origin: AS, fr. L. Postis, akin to ponere, positum, to place. See Position, and cf. 4th Post. Hired to do what is wrong; suborned. Origin: F. Aposter to place in a post or position, generally for a bad purpose. 1. The place at which anything is stopped, placed, or fixed; a station. Specifically: A station, or one of a series of stations, established for the refreshment and accommodation of travelers on some recognised route; as, a stage or railway post. A military station; the place at which a soldier or a body of troops is stationed; also, the troops at such a station. The piece of ground to which a sentinel's walk is limited. 2. A messenger who goes from station; an express; especially, one who is employed by the government to carry letters and parcels regularly from one place to another; a letter carrier; a postman. "In certain places there be always fresh posts, to carry that further which is brought unto them by the other." (Abp. Abbot) "I fear my Julia would not deign my lines, Receiving them from such a worthless post." (Shak) 3. An established conveyance for letters from one place or station to another; especially, the governmental system in any country for carrying and distributing letters and parcels; the post office; the mail; hence, the carriage by which the mail is transported. "I send you the fair copy of the poem on dullness, which I should not care to hazard by the common post." (Pope) 4. Haste or speed, like that of a messenger or mail carrier. "In post he came." 5. One who has charge of a station, especially of a postal station. "He held office of postmaster, or, as it was then called, post, for several years." (Palfrey) 6. A station, office, or position of service, trust, or emolument; as, the post of duty; the post of danger. "The post of honor is a private station." (Addison) 7. A size of printing and writing paper. See the Table under Paper. Post and pair, an old game at cards, in which each player a hand of three cards. Post bag, a mail bag. Post bill, a bill of letters mailed by a postmaster. Post chaise, or Post coach, a carriage usually with four wheels, for the conveyance of travelers who travel post. Post day, a day on which the mall arrives or departs. Post hackney, a hired post horse. Post horn, a horn, or trumpet, carried and blown by a carrier of the public mail, or by a coachman. Post horse, a horse stationed, intended, or used for the post. Post hour, hour for posting letters. Post office. An office under governmental superintendence, where letters, papers, and other mailable matter, are received and distributed; a place appointed for attending to all business connected with the mail. The governmental system for forwarding mail matter. Postoffice order. See Money order. Post road, or Post route, a road or way over which the mail is carried. Post town. A town in which post horses are kept. A town in which a post office is established by law. To ride post, to ride, as a carrier of dispatches, from place to place; hence, to ride rapidly, with as little delay as possible. To travel post, to travel, as a post does, by relays of horses, or by keeping one carriage to which fresh horses are attached at each stopping place. Origin: F. Poste, LL. Posta station, post (where horses were kept), properly, a fixed or set place, fem. Fr. L. Positus placed, p. P. Of ponere. See Position, and cf. Post a pillar. 1. To attach to a post, a wall, or other usual place of affixing public notices; to placard; as, to post a notice; to post playbills. Formerly, a large post was erected before the sheriff's office, or in some public place, upon which legal notices were displayed. This way of advertisement has not entirely gone of use. 2. To hold up to public blame or reproach; to advertise opprobriously; to denounce by public proclamation; as, to post one for cowardice. "On pain of being posted to your sorrow Fail not, at four, to meet me." (Granville) 3. To enter (a name) on a list, as for service, promotion, or the like. 4. To assign to a station; to set; to place; as, to post a sentinel. "It might be to obtain a ship for a lieutenant, . . . Or to get him posted." 5. To carry, as an account, from the journal to the ledger; as, to post an account; to transfer, as accounts, to the ledger. "You have not posted your books these ten years." (Arbuthnot) 6. To place in the care of the post; to mail; as, to post a letter. 7. To inform; to give the news to; to make (one) acquainted with the details of a subject; often with up. "Thoroughly posted up in the politics and literature of the day." (Lond. Sat. Rev) To post off, to put off; to delay. "Why did I, venturously, post off so great a business?" . To post over, to hurry over. Origin: Posted; Posting. Source: Websters Dictionary (01 Mar 1998) |
| post-abdomen | <zoology> That part of a crustacean behind the cephalothorax; more commonly called abdomen. Origin: Pref. Post- + abdomen. Source: Websters Dictionary (01 Mar 1998) |
| post-aeration | The introduction of oxygen into waste water to further reduce BOD and COD after secondary or advanced treatment. (05 Dec 1998) |
| post and core technique | Use of a metal casting, usually with a post in the pulp or root canal, designed to support and retain an artificial crown. (12 Dec 1998) |
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