Brief note on the fate map and process of gastrulation in amphioxus
It is observed that the egg of amphioxus after fertilization is having a well marked polarity, bilateral, symmetry as well as establishing cyhtoplasmic organization.
It is observed that the egg of amphioxus after fertilization is having a well marked polarity, bilateral, symmetry as well as establishing cyhtoplasmic organization.
In the Ooplasm of egg of Amphioxus, four regions are quite well marked. Near the vegetal pole there is found very volky cytoplasm. The animal hemisphere of the egg consists of less yolky and transparent cytoplasm.
The rhird cleavage planes involve four blastomeres and are transverse dividing each blastomere into upper four smaller micromeres and lower megameres to the vegetable.
The body is elongated, fish like, semi-transparent, laterally compressed and pointed at both ends. It measures about 5-7 compound in length, the colour of the body is dark red and reddish brown.