| presentation | 1. <obstetrics> The relationship of the long axis of the foetus to that of the mother (also called lie) 2. The presenting part, i.e. That portion of the foetus which is touched by the examining finger through the cervix or during labour, is bounded by the girdle of resistance. Origin: L. Praesentatio (18 Nov 1997) |
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| presentation, breech | Birth buttocks first. During a breech presentation, the baby's buttocks present first. (12 Dec 1998) |
| presentation, footling | There are single-footling or double-footling presentations depending upon whether the presenting part of the baby at delivery is just one foot or both feet. (12 Dec 1998) |
| presentation, vertex | In a vertex presentation, the top of the baby's head comes first at delivery. The vertex here refers specifically to the top of the head the word vertex in latin means a whirlpool, whirlwind, top of the mountain, or the top of the head. Why top of the head ? because the hairs on the top of the head often form a whorl, a whirl-like pattern. (12 Dec 1998) |