1. (noun) the formation of the placenta in the uterus

• activity
• bodily function
• bodily process
• body process

2. (noun) arrangement of the ovules in the placenta and of the placentas in the ovary

• reproductive structure

1. (noun) arrangement of the ovules in the placenta and of the placentas in the ovary

• apical placentation
• axile placentation
• basal placentation
• free central placentation
• lamellate placentation
• marginal placentation
• ventral placentation
• parietal placentation