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Ontology Browser
Term:
penetration of zona pellucida (GO:0007341)
Annotations: Rat: (10) Mouse: (10) Human: (9) Chinchilla: (8) Bonobo: (9) Dog: (9) Squirrel: (7) Pig: (9)
Parent Terms Term With Siblings Child Terms
acrosome reaction +   
centrosomal and pronuclear rotation 
dehiscence +  
egg activation +   
embryonic process involved in female pregnancy  
female pregnancy +   
female pronucleus assembly  
fetal process involved in parturition  
fusion of sperm to egg plasma membrane involved in single fertilization +   
gamete generation +   
genital disc sexually dimorphic development 
insemination +   
male pronucleus assembly +   
mammalian oogenesis stage +   
maternal process involved in female pregnancy +   
maternal process involved in parturition +   
mating +   
mucilage extrusion from seed coat 
ovulation +   
ovulation cycle +   
parturition +   
penetration of cumulus oophorus  
penetration of zona pellucida  
The infiltration by sperm of the zona pellucida to reach the oocyte. The process involves digestive enzymes from a modified lysosome called the acrosome, situated at the head of the sperm.
penile erection +   
plantlet formation on parent plant 
pollination +  
pronuclear envelope synthesis +  
pronuclear fusion  
pronuclear migration 
regulation of brood size +   
reproductive behavior +   
respiratory burst at fertilization 
seed dehydration 
seed dormancy process +  
seed maturation +  
seminal clot liquefaction  
sexual reproduction +   
sperm aster formation 
sperm competition +   
sperm ejaculation  
sperm entry  
sperm plasma membrane disassembly 
sperm-egg recognition +