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What is the function of the uterus?
Contains embryo/foetus during pregnancy
Site of implantation
What is the function of the Fallopian (uterine) tube?
Carries eggs to uterus
Site of fertilisation
What is the function of the Urethra?
Carries urine out of the body
What is the function of the Fimbriae?
Directs eggs (ovum) into fallopian tubes
What is the function of the Clitoris?
Contains erectile tissue, blood vessels and nerves
Helps with sexual arousal
What is the function of the Ovary (2)
Produces eggs/ovum and sex hormones
What is the function of the Labia minora?
Surrounds the space into which the urethra and vagina opens to protect
What is the function of the Labia Majora?
Contains large number of glands that produce oily secretion
What is the function of the Cervix of the uterus?
Entrance int the urethra
Where sperm is deposited
Dilates ti 10cm for childbirth
What is the function of the Vagina?
Receives the penis of the male during intercours
Enlargers to form the birth cabal during childbirth
What is the function of the Penis?
Organ for passing urine and transferring sperm from the male to the female
What is the function of the Vas deferens (2) ?
Carries sperm to the urethra, away from testis
What is the function of the Seminal Vesicles (2) ?
Secretes fluid that is rich in sugars and is the main component of semen
What is the function of the Prostate gland?
Secretes an alkaline fluid that helps activate sperm.
Neutralises the acidity of the vagina
What is the function of the Bulbo-urethral gland ?
Secretes clear mucus that acts as a lubricant of which much proceeds the emission of the seminal fluid, with only a small amount included in the semen
What is the function of the Epididymis (2) ?
Stores sperm while they finish maturing
What is the function of the Scrotum (2) ?
Holds the testes outdid the body to keep the testes 2 degrees lower than normal body temp.
What is the function of the Testis
Produces male sperm and male hormones
What is the function of the Foreskin?
Covers the head or end of the penis, may b removed by circumcision.
What is the function of the Urethra?
Carries semen sand urine out of the body
What is the function of the Erectile tissue?
In the penis, is in the 3 cylinders.
Fills with blood during sexual arousal, causes the penis to enlargen, stiffen sand be erected so it can enter the vagina
What is gameogenesis?
Gamete development from meiosis to mature gametes
Spermatogenesis = formation of spermatozoa in the testis
Oogenesis = formation of ova in the ovary
Where does spermatogenesis occur and does it split evenly?
In semiferous tubules
They divide evenly as it creates 4 identical sperms
Where does oogenesis occur and does it split evenly?
Ovaries
Does not split evently, one oocyte has more cytoplasm than the other
What is the structure of the sperm?
Head
→ acrosome
→ Nucleus
→ Centrioles
Middle piece
→ mitochondria (needs lots of energy to move)
Tail
→ flagellum
What is the structure of the ovum?
Primary follicle
Oocyte
Follicular cell
What is some general information about the sperm?
Number produced in spermatogenesis is 4
Is around ~0.06mm long
Is very mobile
What is some general information of the ovum?
Produced 1 ovum in oogenesis
Is 1 large follicles and up to 3 polar bodies
Has low to no mobility
What is the timing of spermatogenesis?
It is uninterrupted
Begins during puberty
Gametes are released during ejaculation
Process never stops, only slows down
What is the timing of oogenesis?
It is interrupted, starts before birth and then starts again at puberty
Beings before birth and at puberty
Gametes are released during ovulation
Process stops during menopause
What are the stages of Spermatogenesis?
What are the stage of oogenesis?