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Unit 3 Reproduction

Reproduction

TermDefinition
Reproductive system body system that allows for sexual reproduction; includes testes, ovaries, uterus and other male and female sex organs.
ovum (Plural ova) eg cell that is produced by the female reproductive system
ovary organ in which female gametes develop prior to fertilization
uterus organ of the female reproductive system in which fertilized egg attaches and a fetus develops.
fallopian tube tubes of connective tissue that attaches the ovary to the uterus in the female reproductive system and in which ferilization occurs.
testis (plural testes) organ of the male reproductive system that produces sperm
testosterone steroid hormone that id found in greater quantities in men then women and contributes to male sexual characteristics and development.
ovulation process by which egg is releases from the ovary and becomes available for fertilization
menstrual cycle series of changes on the female reproductive system that takes place over the course of one month
zygote cell that forms when a male gamete fertilizes a female gamete
STD Sexually transmitted disease disease that is passed from one person to another during sexual contact.
Embryo stage of development after the fertilized cell implants into the uterus but before the cells take on a recognizable shape
Placenta organ that develops in female mammals during pregnancy and carries nutrients from the mother to the embryo.
Fetus unborn offspring fromm the end of the eighth week after conception to the moment to birth.
meiosis form of nuclear division that divides a diploid cell into haploid cells: important in forming gametes form sexual reproduction
mitosis process by which a cell divides its nucleus and contents
gamete sex cell: an egg ot a sperm cell.
fertilization fusion of an egg and sperm cell
sperm male gamete
homologous chromosomes chromosomes that have the same length, appearance, and copies of genes, although the alleles may be different.
chromatid one half of a duplicated chromosome
egg female gamete
haploid cell that only has one copy of each chromosome
diploid cell that has two copies of each chromosome, one from an egg and one from a sperm
somatic cell cell that makes up all of the boy tissues and organs, except gametes
Created by: Dr. Lamont