nuchal

Etymology

Definitions

1. 1

   The back of the neck.

2. 2

   Ellipsis of nuchal translucency scan.

3. 3

   A neck scale, especially of a lizard.

   • Dunn gives a key to a part of this group of Eumeces, based upon the number of nuchals, placing the two American species (he does not consider Eumeces altamirani Dugès) in a group having 14-17 pairs of nuchals;[…].
   • Growth patterns of clavicles, cleithra, opercles, medial nuchals, dorsal scutes, and pectoral fin ray sections have been compared in white sturgeon Acipenser transmontanus.
   • Scales are weakly differentiated, with head scales flat and smooth, nuchals small and smooth, dorsal scales small and keeled, and tail scales larger ventrally than laterally, without wings.
4. ›+ 1 more definitionshow fewer

   1. 4

      Of or pertaining to the back or nape of the neck.

      • Many particulars of the nuchal torus region and nuchal plane are preserved (see Caspari, 1991 for further details, our description replies heavily on Caspari's work).

The neighborhood