Without palisade, a key protein of the shell's membrane also gets taken up in the egg. "Think of the vitelline membrane as made up of four colors of brick and one of the colors falls into the oocyte.

WE have isolated the membrane complex (vitelline and plasma membrane1,2) from oocytes as small as 4 mm in diameter and through all subsequent stages of development in the ovary and the oviduct ...

In addition, the vitelline membrane strength of the control decreased 65% during storage and was between 30 and 50% of the vitelline membrane strength of CO 2-cooled eggs at 12 wk. Rapid cooling with ...

The vitelline bodies may need to be separate during that time to allow flexibility for the egg to grow, and even after the membrane is formed a little growing occurs. During formation, two holes ...

The common fruit fly circling your week-old peach has helped scientists zero in on a protein critical to the insect's eggshell formation. The paradoxical finding gives scientists a better ...