Prenatal Development Flashcards

1
Q

Female Reproductive System (7)

A

Uterus
Ovary
Vagina
Cervix
Fallopian Tube
Endometrium
Myometrium

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2
Q

What is the function of the Uterus?

A

Uterus is where a fertilized egg will implant itself and grow from embryo to fetus

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3
Q

What is the function of the Ovaries

A

Ovaries produce eggs for fertilization and they make the hormones estrogen and progesterone (pro-pregnancy)

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4
Q

What is Endometrium?

A

layer of tissue that lines the uterus

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5
Q

what does Progesterone do?

A

prepares the endometrium for pregnacy after ovulation

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6
Q

When do eggs begin to develop?

A

At the start of menstration

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7
Q

What is ovulation?

A

The release of the egg from the ovaries

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8
Q

Corpus Luteum function?

A

to make the uterus a healthy place for a fetus to grow

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9
Q

What does Corpus Luteum produce?

A

hormone called Progesterone that prepares your uterus for pregnacy

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10
Q

Fertilization or Oogenesis is egg_______.

A

activation

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11
Q

Rapid, Multiple rounds of cell division is called

A

Cleavage

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12
Q

The typical _____ is a ball of cells

A

blastula

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13
Q

The cells in the _____ rearrange themselves to form three layers of cell

A

blastula

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14
Q

Name the three formations of germ layers

A
  1. Endoderm
  2. Mesoderm
  3. Ectoderm
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15
Q

Endoderm layer is the ____ layer

A

Internal (lining of internal organs)

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16
Q

Mesoderm layer is the ______ layer

A

middle (bones, muscles)

17
Q

Ectoderm layer is the ______ layer

A

external (nervous system and skin)

18
Q

Neurulation is the process in which the _______ bends up and later fuses to form a hollow tube that will eventually be the ______ and ________

A

neural plate
brain and spinal cord

19
Q

What is a Blastula?

A

fertilized mass of cells that will eventually become an embryo (day 5 of fertilization)

20
Q

______ formation of tissue that will become the gut

A

Gastula

21
Q

How long is pregnacy?

A

40 weeks

22
Q

Embryonic period is the first _____ weeks

A

first 8 weeks

23
Q

Fetal period is from _____ weeks until ______.

A

from 9 weeks to birth