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Lesson Flashcards: Female Genital System Biology

Uterus (womb)

A hollow organ in the female’s pelvis in which an embryo can grow and develop

Ciliated epithelial cells

Cells that line an organ’s surface and possess long, thin, and hairlike projections called cilia

Zona pellucida

The clear glycoprotein layer that surrounds an egg cell

Zygote

A diploid cell resulting from the fusion of two haploid gametes

Polar body

A small, nonfunctional cell produced during each stage of meiosis during oogenesis, which does not develop into a mature ovum

Embryo

The early developmental stage of an organism after a zygote has undergone cleavage and before it develops into a fetus

Estrogen

A sex hormone, primarily produced by the ovaries, that controls ovulation and the development of secondary sexual characteristics in females

Endometrium

The name of the internal lining of the uterus

Prenatal oogenesis

The stages of oogenesis that occur before birth

Corona radiata

The outer layer of cells surrounding the zona pellucida of an egg cell

Corpus luteum

A temporary hormone-secreting structure that develops in the ovary after an ovum has been discharged during ovulation

Cervix

The structure that connects the uterus to the vagina

Vagina

A muscular tube in the female reproductive system that extends from the external genitalia to the cervix

Progesterone

A sex hormone, primarily produced by the ovaries, that thickens the uterine lining in preparation for an embryo to implant

Diploid cell

A cell that has two complete sets of chromosomes (2n)

Puberty

A stage in adolescence when humans reach sexual maturity and are capable of reproduction

Pregnancy

The period during which a fetus develops within the mother’s uterus

Fallopian tubes (oviducts)

The tubes that an ovum (egg cell) will pass through when traveling from the ovaries to the uterus

Postnatal oogenesis

The stage of oogenesis that occurs after birth

Primary oocyte

A diploid cell formed in oogenesis by the growth of an oogonium

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