Reproductive systems in mammals Flashcards

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1
Q

What are the parts of both male and female mammalian reproductive tract

A

Ureters
Fallopian tubes
Testicles
Penis
Vagina
Urethra
Prostate glands
Uterus
Volva
Scrotum

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2
Q

What are the three functions of the male reproductive system

A

Produce sperm
Store sperm
Discharge sperm into female reproductive system to fertilise ova (eggs)

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3
Q

What is the structure and functions of the testes

A

Where sperm is produced
Made up of thousands of seminiferous tubules( small tubes)

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4
Q

What is the function of the epididymis

A

Where sperms mature and stored

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5
Q

What is the function of the vas deferens

A

Tubes that carry the sperm away from the testes

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6
Q

What is the function of the urethra

A

Tubes that carry sperm, urine and semen out of the body

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7
Q

What is the function and the structure of the penis

A

Located on the outside of the body
Semen and urine can pass through
Contains three columns of erectile tissue

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8
Q

What is the function of the prostate glands

A

Adds secretions (fructose and enzymes) to the sperm to form semen

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9
Q

What is the function of the bulbus glands

A

Erectile tissue that swells during copulation to lock the male to the female

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10
Q

What is the first column of erectile tissue in the penis

A

Corpus cavernosum- fills with blood

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11
Q

What is the second column of erectile tissue in the penis

A

Corpus spongiosum- prevents collapse of the urethra during erections. Protects urethra.

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12
Q

What is the third column of the erectile tissue in the penis

A

Areolar tissue- outside

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13
Q

What is the OS penis also known as

A

Bacculum

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14
Q

What is the function of the OS penis

A

Bone which aids in maintaining erection during copulation.

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15
Q

What do the arteries do in the penis

A

Brings blood in at high pressure

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16
Q

What is the function of the veins in the penis

A

Blood exits

17
Q

What are the functions of the female reproductive systems

A

Produce eggs (ova)
Provides ideal environment for fertilisation
Protects foetus until birth

18
Q

What is the functions of the ovaries

A

Where the ova and hormones (oestrogen and progesterone) are produced
Hormones are used for fertilisation and the menstrual cycle

19
Q

What is the function of the oviduct/ fallopian tubes

A

Where fertilisation happens

Fertilised eggs move through the oviduct to the uterus

Travels from ovaries

Eggs move once fertilised

20
Q

What is the uterus

A

Fertilised eggs are implanted into the uterine lining so pregnancy can be established

Has uterine horns and a uterine body

21
Q

What is the function of the cervix

A

Seals the uterus

Muscular

Protects reproductive system from infection

Attached to uterus lining

Some animals have more space in the uterus

22
Q

What is the function of the vagina

A

Produces acidic mucus to kill bacteria and prevent infection

Contract and expands

Protects the reproductive system from substances entering in and harming as they have an acidic PH

23
Q

What is the function of the vulva

A

External

some species, swells to indicate oestrus and receptivity to males

Males know and reproduce

Example- rams that are not fertile, put into stimulate the process, add rams that are fertile to the female sheep, speeds up process as they are already got fertilised eggs

24
Q

What does the duplex (rabbit) have

A

Two uterine horns
Two cervices
One vagina
Missing uterine body

25
Q

What is the pregnancy like in the duplex (rabbit)

A

Two different pregnancies at the same time, can be pregnant and then get pregnant again before the others are born.

26
Q

What does the bicornuate ( pig) have

A

Two uterine horns which are long
Common uterine body
One cervix

27
Q

What is the pregnancy like in bicornuate (pigs)

A

Several embryos develop large litters due to long horns

28
Q

What do the bipartite (cows) have

A

Smaller uterine horns

29
Q

What is the pregnancy in bipartite (cows) like

A

One or two offspring but no more than two at once

30
Q

What are the three layers of the uterus

A

Perimetrium- outer layer
Myometrium- muscular layer
Endometrium- inner layer