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PCP > A&P reproductive system > Flashcards

A&P reproductive system Flashcards

1
Q

What is the penis?

A

Conveys urine and seminal fluid to outside of body through urethra.
It is composed of cylindrical masses of tissue called the corpus spongiosum penis and the corpora cavernous penis, these consist of erectile tissue.

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2
Q

What is the scrotum?

A

Encloses and protects testes
It maintains optimal temp for sperm production

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3
Q

What is the testes?

A

Contains seminiferous tubules which produce spermatozoa through meiosis

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4
Q

What is the epididymis?

A

Storage and maturation of spermatozoa
Convey sperm to ductus vas deferens.

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5
Q

What is the ductus deferens?

A

Storage
Convey sperm to ejaculatory duct.

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6
Q

What is the seminal vesicle glands?

A

Secrets alkaline fluids
Produce 60% of seminal fluid

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7
Q

What is the prostate?

A

Secretes alkaline fluid which helps enhance sperm motility
Produces 30% seminal fluid

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8
Q

Cowper’s gland

A

Secretes fluid that lubricates urethra and end of penis
Helps prevent damage to sperm during ejaculation

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9
Q

What is the labia majora?

A

Form margin of pudendal cleft

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10
Q

What is the labia minora?

A

Forms margin for the vistibule cleft.
Protects opening of vagina and urethra.

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11
Q

What do the ovaries do?

A

Produces ova and female sex hormones.
Walls of follicles secrete estrogen
Follicles turns into corpus luteum after ovum expulsion and secretes estrogen and progesterone.

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12
Q

What are fallopian tubes?

A

Convey ovum towards uterus
Use cilia and peristaltic movements

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13
Q

What is the uterus?

A

Site of implantation
Protects and sustains life of embryo
Has active role in labour and delivery

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14
Q

What is the menstrual cycle?

A

First 5 days of cycle
Lower estrogen and progesterone
Endometrium breaks down producing 30 -65 ml of blood and tissue

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15
Q

What is the proliferative phase?

A

Day 6 -13
Endometrium prepares itself and thickens preparing for fertilized ovum
New follicle secretes estrogen
Ovulation is usually day 14

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16
Q

What is secretory phase?

A

It is day 15 to day 28
Corpus luteum secretes progesterone
Final preparation of Endometrium to receive fertilized egg
Cycle starts over after day 28 if no implantation occurs

17
Q

What is part of the umbilical cord?

A

Two arteries that carry blood from fetus to placenta
One vein carries blood from placenta to fetus

18
Q

What is the placenta?

A

Serves as a source of nutrition, respiration and excretion for embryo/fetus

19
Q

What secretes progesterone and estrogen after 12 weeks of pregnancy?

A

Placenta takes over

20
Q

What prepares the body for the lactation?

A

Placenta

PCP (26 decks)

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