| natal | 1. Relating to birth. Origin: L. Natalis, fr. Nascor, pp. Natus, to be born 2. Relating to the buttocks or nates. Origin: L. Nates, buttocks (05 Mar 2000) |
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| natal cleft | The sulcus between the buttocks (nates). Synonym: crena ani, anal cleft, crena clunium, gluteal cleft. (05 Mar 2000) |
| natal plum | <botany> The drupaceous fruit of two South African shrubs of the genus Arduina (A. Bispinosa and A. Grandiflora). Source: Websters Dictionary (01 Mar 1998) |
| natal teeth | Predeciduous teeth present at birth. They may be well formed and normal or may represent hornified epithelial structures without roots. They are found on the gingivae over the crest of the ridge and arise from accessory buds of the dental lamina ahead of the deciduous buds or from buds of the accessory dental lamina. (12 Dec 1998) |
| natal tooth | A predeciduous supernumerary tooth present at birth. (05 Mar 2000) |
| Natal's sore | Lesion of cutaneous leishmaniasis. (05 Mar 2000) |
| natality | The birth rate; the ratio of births to the general population. Origin: see natal (05 Mar 2000) |
| nataloin | <chemistry> A bitter crystalline substance constituting the essential principle of Natal aloes. Cf. Aloon. Origin: From Natal aloes. Source: Websters Dictionary (01 Mar 1998) |