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noun(embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals
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"the implantation of radioactive pellets in the prostate gland"nouna surgical procedure that places something in the human body
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nounthe act of planting or setting in the groundtype of:
Definition that contains implantation
- morning-after pill a large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest
- blastula early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
- secretory phase the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins
- trophoblast the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall
- luteal phase the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins
- blastosphere early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs