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21 Cards in this Set
- Front
- Back
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Secondary Sex Organ
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An Organ other than the ovaries and testes that is essential to reproduction, such as the external genitalia, internal genital ducts, and accessory glanes.
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Reproductive System
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An organ system specialized for the production of offspring.
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Gamete
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An egg or sperm cell.
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Secondary Sex Characteristic
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Any feature that is inessential to reproduction but otherwise distinguishes male from female and promotes attraction between sexes. (i.e. distribution of subcutaneous fat, vocal pitch, female breasts, male facial hair)
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Sperm
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The fluid ejaculated by the male; semen. Contains spermatazoa and glandular secretions.
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Gametogenesis
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Production of eggs or sperm.
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X Chromosome
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The larger of the two sex chromosomes; males have one x chromosome and females have two in each somatic cell.
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Homologous
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Having the same embryonic or evolutionary origin but not necessarily the same function, such as the scrotum and labia majora.
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Ovary
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The female gonad; produces eggs, estrogen, and progesterone.
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Dorsal
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Toward the back (spinal) side of the body.
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Human Chorionic Gonadotropin
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A hormone of pregnancy secreted by the chorion that stimulates continued growth of the corpus luteum and secretion of its hormones. HCG in urine is the basis for pregnancy testing.
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Prostate gland
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A male reproductive gland taht encircles the urethra immediately inferior to the bladder and contributes to the semen.
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Spermatogenesis
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The production of sperm cells through a series of mitotic and meiotic cell divisions. male gametogenesis.
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Testis
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The male gonad; produces spermatozoa and testosterone.
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Y Chromosome
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Smaller of the two sex chromosomes, found only in males and having little if any genetic function except development of the testis.
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Zygote
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A single-celled fertilized egg.
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Sex Chromosomes
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The X and Y chromosomes, which determine the sex of an individual.
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Semen
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The fluid ejaculated by a male, including spermatazoa and the secretions of the prostate and seminal vesicles.
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Spermatozoon
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A sperm cell.
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Meiosos
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A form of cell division in wich a diploid cell divides twice and produces four haploid daughter cells; occurs only in gametogenesis.
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Cross section
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A cut perpendicular to the long axis of the body or an organ.
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