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Physiological Systems > Reproduction > Flashcards

Reproduction Flashcards

1
Q

Sexual Reproduction

A

Essential for the survival of a species.

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2
Q

Meiosis

A

Going from 2N to N.

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3
Q

Oogenesis

A

Formation of 1 egg + 3 polar bodies.

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4
Q

Spermatogenesis

A

Formation of 4 sperm.

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5
Q

Oogonium

A

1st step in oogenesis. 2N before replication.

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6
Q

Primary Oocyte

A

2nd step in oogenesis. 4N after replication.

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7
Q

Secondary Oocyte

A

After the 1st meiotic division. 2N.

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8
Q

Ovum

A

Product of oogenesis, 1N.

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9
Q

Polar Body

A

Small N cell, cannot be fertilized.

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10
Q

Spermatogonium

A

Undifferentiated male germ cell.

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11
Q

Primary Spermatocyte

A

1st step in meiosis. 2N cell before replication.

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12
Q

Secondary Spermatocyte

A

2nd step in meiosis, 2N after replication.

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13
Q

Spermatide

A

Result of spermatogenesis.

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14
Q

Sperm

A

1N

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15
Q

External Fertilization

A

Sponges releasing sperm and egg into the environment.

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16
Q

Internal Fertilization

A

fertilization inside a body.

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17
Q

Protandry

A

when sex changes

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18
Q

Hermaphrodite

A

both sexes in one individual

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19
Q

Zona Pellucida

A

egg coat

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20
Q

Follicle Cells

A

functional unit of the ovary.

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21
Q

Acrosome

A

Head of the sperm which allows the sperm to penetrate the egg.

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22
Q

Head of Sperm

A

Contains DNA.

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23
Q

SRY Gene

A

male Y chromosome

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24
Q

Pre-Sertoli Cell

A

becomes a mature sertoli cell

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25
Pre-Leydig Cell
becomes a mature lydig cell to make testosterone
26
Pre-Follicular Cell
degenerates in males but becomes a follicle cell in females
27
Pre-Gamete Cell
becomes spermatogonia (2N)
28
Testosterone
steroid hormone
29
Testis
site of production of steroid hormone and sperm
30
Sperm
stored in the epididymis
31
Scrotum
temp is 0.5 degrees lower than the body.
32
Epididymis
stores sperm and transports to vas deferens.
33
Vas deferens
carries the sperm out of the testes.
34
Seminal vesicle
provides the seminal fluid, nutrients for sperm
35
Bulbourethral Gland
secrete a mucus fluid to neutralize acidity of the vagina
36
Seminal Fluid
nutrient for sperm
37
Measles
38
Urethra
connects to the vas deferens, through the shaft of the penis
39
Corpora Cavernosa
part of the penis
40
Corpora Spongiosum
part of the penis
41
Parasympathetic Nervous System
induces erections
42
Ovary
storage site for oocytes, site of production of estrogen and progesterone
43
Estrogen
induces endometrial cells left after menses to divide and the endometrium is restored
44
Progesterone
corpus luteum produces progesterone during titular phase
45
Fallopian Tubes
where the egg is fertilized
46
Uterus
where the embryo implants
47
Vagina
where sperm are deposited
48
Leydig Cell
releases testosterone
49
Sertoli Cell
stimulates spermatogonium to undergo meiosis to make sperm
50
Puberty
10-13
51
Primary Follicle
stimulated by LH and FSH to produce estrogen
52
Primary Oocyte
one being released?
53
GnRH
stimulates anterior pituitary to release LH and FSH
54
LH
stimulates leydig cell to release testosterone
55
FSH
activates sertoli cell
56
Endometrium
removed and built during periods
57
Menses
periods
58
Ovulation
releasing an egg from the follicle
59
Corpus Luteum
produces progesterone during days 14-26
60
Placenta
feeds baby
61
Umbilical Cord
connects mother to baby
62
Caesarian Section
cutting baby out

Physiological Systems (7 decks)

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