Theiler Stage 17 - Deep Lens Indentation
Home Atlas Database Resources Contact Site Search
Previous Stage
Stage Index
Stage Criteria
 Anatomy
Next Stage

Theiler Stage 17 - Deep lens indentation 

The most obvious distinguishing features are the deepening of the lens pit, with a narrowing of it's outer pore-like opening, and the first appearence of the physiological umbilical hernia. The 1st branchial arch is conspicuously divided into it maxillary and mandibular components. There is advanced development of the brain tube and the tail elongates and thins.

Absent: nasal pits.

10.5 dpc (range 10-11.25)
35-39 somite pairs
Witschi Stage 24-25 (rat)
Carnegie Stage 13 (atlas), 14 (atlas), 15 (atlas) (human - stage table)

All scale bars in microns.     
Click on an image for a larger version.

 
Previous Stage
Stage Index
Next Stage
Web page contact: genexweb@hgu.mrc.ac.uk Last modified:
20/09/2002
Copyright © 1994-2003 The Medical Research Council & University of Edinburgh. All Rights Reserved.