Medical Definition of Mesomere
1. 1. A blastomere of a size intermediate between a macromere and a micromere. 2. The zone between an epimere and a hypomere. Origin: meso-+ G. Meros, part (05 Mar 2000)
1. 1. A blastomere of a size intermediate between a macromere and a micromere. 2. The zone between an epimere and a hypomere. Origin: meso-+ G. Meros, part (05 Mar 2000)