Differnce between zona pellucida and corona radiata ??
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ZONA PELLUCIDA
1. the non cellular, secretary layer around the ovum is termed as zona pellucida
2. it is the second layer
3. it prevents the entry of more than one sperm into ovum
CORONA RADIATA
1. the cellular layer around rosona pellucida is termed as corona rediata
2. it is the outermost layer
3. it provides protection and protein to the cell
1. the non cellular, secretary layer around the ovum is termed as zona pellucida
2. it is the second layer
3. it prevents the entry of more than one sperm into ovum
CORONA RADIATA
1. the cellular layer around rosona pellucida is termed as corona rediata
2. it is the outermost layer
3. it provides protection and protein to the cell
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Eggs has 2 egg-membranes thar are:-
(1) Zona pelucida: It is a transparent membrane like covering & is a primary membrane secreted by the ovum or oocyte.
(2) Corona radiata: It is a layer of follicular cells & these cells are attached to the surface of egg with hyaluronic acid. This is constituted as the secondary membrane, which is secreted by the ovary. These eggs do not have tertiary membrane.
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