Human Reproduction Flashcards

1
Q

Penis

A

External male reproductive organ used in sexual intercourse.

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2
Q

Urethra

A

Tube which carries semen (and urine) out of the body.

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3
Q

Testes

A

Organ where sperm is produced.

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4
Q

Epididymis

A

Stores sperm

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5
Q

Vas deferens / sperm duct

A

Tube which carries sperm from the testis/epididymis.

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6
Q

Prostate gland

A

Gland which produces fluid which is mixed with sperm and seminal fluid to produce semen.

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7
Q

Seminal vesicles

A

Produces seminal fluid, also mixed with sperm and prostate fluid to produce semen.

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8
Q

Vagina

A

Female external reproductive organ used in sexual intercourse; the birth canal

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9
Q

Cervix

A

Narrow opening between the vagina and uterus

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10
Q

Uterus

A

Chamber where the fetus develops

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11
Q

Endometrium

A

Inner lining of uterus

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12
Q

Fallopian tube / oviduct

A

Tube which carries the ova from the ovary towards the uterus

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13
Q

Ovary

A

Organ where ova are developed and stored; produces hormones

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14
Q

Copulation

A

This is more commonly known as sexual intercourse

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15
Q

Fertilisation

A

The fusion of a sperm and egg to form a zygote.

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16
Q

Gametes

A

Sex cells (i.e. ovum or sperm)

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17
Q

Implantation

A

The embryo attaches to the uterine wall, where it receives nutrients and oxygen from the mother’s bloodstream

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18
Q

Placenta

A

A structure that allows an embryo/fetus to exchange nutrients and waste with the mother

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19
Q

Umbilical cord

A

The structure that attaches the fetus to the placenta

20
Q

Amniotic sac / fluid

A

protects the fetus in the uterus

21
Q

C-section

A

An incision is made through the abdomen and uterus to deliver the baby

22
Q

Menstrual cycle

A

regular sequence of events in which an egg develops and is released from the body

23
Q

Condom

A

contraceptive device consisting of a thin rubber/latex/animal sheath worn over the penis during intercourse

24
Q

Intrauterine device (IUD)

A

small, T-shaped device inserted by a physician inside the uterus to prevent pregnancy (can be hormonal or made of copper)

25
Spermicide
chemical that kills sperm that is applied inside the vagina before intercourse (can be a foam, gel, suppository, cream)
26
Vasectomy
male sterilisation where the vas deferens is cut to prevent the release of sperm into semen
27
Tubal ligation
female sterilisation that blocks the fallopian tubes to prevent fertilization from occurring
28
Birth control pill
A hormonal pill taken orally to prevent pregnancy by stopping ovulation, thinning the endometrium or thickening the cervical mucus
29
Follicle Stimulating Hormone (FSH)
Stimulates the growth of development of follicles in the ovaries, which contain immature eggs FSH is released by pituitary gland in the brain at the beginning of the menstrual cycle
30
Leutinizing hormone (LH)
Surge in LH causes the mature follicle to rupture and release the egg from the ovary This process is known as ovulation (Typically occurs around day 14 of menstrual cycle)
31
Estrogen
thickens the lining of the uterus (endometrium) and triggers a surge in LH from the pituitary gland
32
Progesterone
Prepares the uterus for pregnancy by further thickening the endometrium and making it more receptive to a fertilised egg
33
List the advantages of oral contraceptives
1. Lessens the pain of muscle cramps 2. Keeps acne under control 3. Protects against certain cancers 4. Does not interrupt sex
34
List the disadvantages of oral contraceptives.
1. increased risk of blood clots 2. Sore breasts, nausea, headaches
35
List the advantages of condoms
1. They are the most effective protection available against STIs 2. They are less expensive than hormonal methods of birth control 3. They are widely available without a prescription
36
List the disadvantages of condoms
1. May break or leak 2. May interrupt sex 3. Failure rates are higher than most methods of other contraceptives
37
List the advantages of male and female sterilisation
1. 99% effective at preventing pregnancy 2. No longer have to use birth control again 3. Doesn't change your hormones
38
List the disadvantages of male and female sterilisation.
1. Does not protect against STIs 2. Cannot be easily reversed 3. Can cause health issues
39
List the advantages of the coil/IUD
1. Protects against pregnancy for 5-10 years 2. There are no hormonal side effects
40
List the disadvantages of the coil/IUD
1. Bleeding between periods 2. Cramps 3. Severe menstrual pain and heavy bleeding
41
List the advantages of spermicide
1. It does not require a prescription 2. It does not contain hormones
42
List the disadvantages of spermicide
1. It has to be reapplied every time you have sex 2. Does not protect against STIs 3. May cause irritation and pain
43
Describe the process of embryo development
The developing zygote undergoes a series of cell divisions and transforms into an embryo. The embryo implants itself in the lining of the uterus and starts to form various organs and tissues During this stage, the embryo is most vulnerable to teratogens or environmental factors that can cause birth deficits
44
Describe the process of fetal development
the embryo is considered a fetus after 8 weeks oof development During fetal development, the organs and tissues continue to grow and develop. The fetus becomes more active, and by the end of fetal development, the fetus is fully formed and ready for birth.
45
Describe the process of vaginal birth
The fetus passes through the birth canal, assisted by the contractions of the uterus and the mother's pushing The doctor or midwife will function the mouth and nose as the body's head emerges. Once the baby is born, the umbilical cord is clamped and cut