cellular process involved in reproduction in multicellular organism +
dehiscence +
egg deposition
embryonic process involved in female pregnancy
fetal process involved in parturition
gamete generation +
genital disc sexually dimorphic development
insemination +
mammalian oogenesis stage +
maternal process involved in female pregnancy +
maternal process involved in parturition +
mucilage extrusion from seed coat
ovulation +
ovulation cycle +
penetration of cumulus oophorus
penetration of zona pellucida
penile erection +
The hardening, enlarging and rising of the penis which often occurs in the sexually aroused male and enables sexual intercourse. Achieved by increased inflow of blood into the vessels of erectile tissue, and decreased outflow.