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AP II Lecture > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

Head of sperm that contains enzymes that facilitate the penetration of a sperm into a secondary oocyte

A

The Acrosome

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2
Q

Gonads

A

Produces gametes and hormones.
The ovary in F and the testis in M

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3
Q

Scrotum

A

Skin covered pouch that contains the testes

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4
Q

Testes

A

M gonad that produces sperm and hormones testosterone and inhibin

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5
Q

Tunica Albuginea

A

Covers the testis, penis, ovary

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6
Q

Seminiferous tubules

A

Where sperm is produces

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7
Q

Sustentacular or Sertoli cells

A

A cell type located in the seminiferous tubules that supports and protects spermatogonia

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8
Q

Blood-testis barrier

A

Formed by the sustentacular cells that prevents an immune response against antigens that spermatogenic cells produce.

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9
Q

Leydig cells

A

Secretes testosterone

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10
Q

The condition of undesended testes

A

cryptorchidism

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11
Q

How long does spermatogenesis take?

A

65-75 days.

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12
Q

What two reproductive hormones does the Anterior Pituitary gland release?

A

FSH and LH

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13
Q

What does GnRH stand for?

A

Gonadotropin Releasing Hormone

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14
Q

How does FSH and LH help the reproductive system in F and M?

A

Supports ovulation in F
Sperm production in M

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15
Q

PRL

A

Prolactin

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16
Q

Prolactin

A

Stimulates mammary glands to produce milk

17
Q

What temp is ideal for sperm production?

A

2-3 degrees Celsius below body temp

18
Q

What are the spermatogenic cells in sperm maturation?

A

Spermatogonium (2n)
Primary spermatocyte (2n)
Secondary spermatocyte (n)
Spermatid (n)
Sperm (n)

19
Q

Stages of sperm maturation

A

Mitosis, differentiation, Meiosis 1- DNA replication, Meiosis II- chromosome (2n) separating into chromotids (n), Sperm

20
Q

Process of spermatids to sperm

A

Spermiogenisis

21
Q

How does the acrosome work?

A

It has enzymes such has hyaluronidase and proteases to help sperm penetrate the female secondary oocyte

AP II Lecture (4 decks)

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