http://www.projecthalo.com/aura#Fertilization-Envelope
The protective layer formed when the vitelline layer of an egg is pushed away from the plasma membrane and hardened after fertilization by molecules exocytosed during the cortical reaction. The fertilization envelope is the slow block to polyspermy.
Fertilization-Envelope
http://www.projecthalo.com/aura#Transverse-Tubule
http://www.projecthalo.com/aura#I-Band-Filament
http://www.projecthalo.com/aura#Phospholipid-Bilayer
http://www.projecthalo.com/aura#Sarcomere
http://www.projecthalo.com/aura#Myelin-Sheath
http://www.projecthalo.com/aura#Platelet
http://www.projecthalo.com/aura#Phospholipid-Layer
http://www.projecthalo.com/aura#Sex-Pilus
http://www.projecthalo.com/aura#Phragmoplast
http://www.projecthalo.com/aura#Growth-Cone
http://www.projecthalo.com/aura#Primary-Cell-Wall
http://www.projecthalo.com/aura#Z-Line-Filament
http://www.projecthalo.com/aura#Fimbria
http://www.projecthalo.com/aura#Pseudopodium
http://www.projecthalo.com/aura#Preprophase-Band
http://www.projecthalo.com/aura#Synaptic-Terminal
http://www.projecthalo.com/aura#Statocyst
http://www.projecthalo.com/aura#Node-Of-Ranvier
http://www.projecthalo.com/aura#Root-Hair
http://www.projecthalo.com/aura#Animal-Cell-Structure