endometrium

(noun)

the mucous membrane that lines the uterus in mammals and in which fertilized eggs are implanted

Related Terms

  • menstruation
  • estradiol
  • menopause
  • corpus luteum

Examples of endometrium in the following topics:

  • Human Gestation

    • The outer layers of the zygote (blastocyst) grow into the endometrium by digesting the endometrial cells.
    • Wound healing of the endometrium closes up the blastocyst into the tissue.
    • This ensures adequate levels of progesterone that will maintain the endometrium of the uterus for the support of the developing embryo.
    • As the trimester progresses, the outer layer of the embryo begins to merge with the endometrium and the placenta forms.
  • Female Hormones

    • Progesterone maintains the endometrium, the lining of the uterus, to help ensure pregnancy.
    • The endometrium begins to regrow, replacing the blood vessels and glands that deteriorated during the end of the last cycle.
    • The endometrium begins to degenerate as the progesterone levels drop, initiating the next menstrual cycle.
  • Fertilization

    • The zygote divides to form a blastocyst and, upon entering the uterus, implants in the endometrium, beginning pregnancy.
  • Pineal Gland and Gonads

    • It prepares the lining of the uterus for implantation of a fertilized egg and allows for complete shedding of the endometrium at the time of menstruation.
  • Female Reproductive Anatomy

    • The uterus, a structure about the size of a woman's fist, is lined with an endometrium that is rich in blood vessels and mucus glands.
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