The process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin.
plant-type ovary development +
post-embryonic animal organ development +
proboscis development +
prostate gland development +
prostate glandular acinus development +
reproductive shoot system development +
respiratory tube development +
seed development +
seminal vesicle development +
seminal vesicle epithelium development +
seminiferous tubule development
sensory organ development +
skin development +
spinal cord development +
spongiotrophoblast layer development +
spore-bearing structure development +
stomach development +
swim bladder development +
trachea development +
ureter development +
urethra development +
urinary bladder development
uterine gland development
uterus development +
vegetative to reproductive phase transition of meristem +