| apposition | 1. The act of adding; application; accretion. "It grows . . . By the apposition of new matter." (Arbuthnot) 2. The putting of things in juxtaposition, or side by side; also, the condition of being so placed. 3. The state of two nouns or pronouns, put in the same case, without a connecting word between them; as, I admire Cicero, the orator. Here, the second noun explains or characterises the first. <physiology> Growth by apposition, a mode of growth characteristic of non vascular tissues, in which nutritive matter from the blood is transformed on the surface of an organ into solid unorganised substance. Origin: L. Appositio, fr. Apponere: cf. F. Apposition. See Apposite. Source: Websters Dictionary (01 Mar 1998) |
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| apposition suture | A suture of the skin only. Synonym: coaptation suture. (05 Mar 2000) |
| appositional growth | Growth accomplished by the addition of new layers on those previously formed; e.g., the addition of lamellae in the formation of bone; it is the characteristic method of growth when rigid materials are involved. (05 Mar 2000) |