Ch 43: Reproduction Flashcards
Sexual reproduction
Produces offspring that aren’t identical to the parents
Increases genetic variation in a population
Gametogenesis
Making of gametes
Occurs in the gonads
Gametes
Cells specialized for reproduction
Haploid cells
Ex. egg and sperm
Primary sex organs
Gonads - testes and ovaries
Produce gametes and secrete hormones
Accessory sex organs
External genitalia
Glands, tubules, and ducts
Epididymis
Stores sperm
Testes
Generates sperm
Vas deferens
Transports sperm
Vas deferens
Transports sperm
Seminal vesicle, prostate gland, and bulbourethral gland
Glands that secrete semen components
Provide nutrients
Facilitate sperm movements
Leydig cells
The Luteinizing hormone acts on the cells to produce testosterone
Sertoli cells
FSH acts on the cells to undergo spermatogenesis
Endometrium
Thick lining of the uterus
Eggs will implant here after fertilization
Ovarian cycle
Produces eggs and hormones in the ovaries
Menstrual cycle
Prepares the uterus endometrium for the fertilized egg