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Maternal LEC > Lesson 6 Part 3 > Flashcards

Lesson 6 Part 3 Flashcards

1
Q

Stem cells - 1st 4 days of life

A

Totipotent stem cells

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2
Q

These stem cells have the potential to form a complete human being

A

Totipotent stem cells

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3
Q

Next 4 days, cells begins to differentiate and slate to become specific body cells

A

Pluripotent stem cells

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4
Q

Highly specific cells

A

Multipotent cells

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5
Q

2 separate cavities appear in the inner structure of germ layers

A

Amniotic cavity
Yolk saks

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6
Q

Supply nourishment only until implantation

A

Yolk sacs

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7
Q

It serves as source of RBCS

A

Yolk sac

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8
Q

Between the amniotic cavity and yolk sac, 3rd layer of primary cells

A

Mesoderm

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9
Q

The 3 germ layers meet at a point called

A

Embryonic shield

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10
Q

Fetus continually swallow this

A

Amniotic fluid

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11
Q

The normal volume of AF

A

800-1200 ml

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12
Q

If fetus is unable to swallow the af, what are the common reasons

A

Esophageal atresia
Anencephaly

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13
Q

Excessive AF

A

Hydramnios / polyhydramnios

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14
Q

Reduction in the amount of AF

A

Oligohydramnios

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15
Q

A disturbance in the kidney function

A

Oligohydramnios

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16
Q

Which the fetus floats, is composed primarily of water

A

Amniotic fluid

17
Q

Protective cheesy-like substance that covers the fetal skin

A

Vernix caseosa

18
Q

Soft hair covering the fetus

A

Lanugo

19
Q

Normal ph of AF

A

7.2

20
Q

The body organ system develop from specific tissue layers

A

Germ layers

21
Q

The three separate layers of the cells of primary germ layers

A

Ectoderm
Endoderm
Mesoderm

22
Q

Organ formation

A

Organogenesis

23
Q

What are the fetal membranes

A

Amnion
Chorion

24
Q

A large one line with ectoderm

A

Amniotic cavity

25
Q

Small cavity, lined with entoderm

A

Yolk sac

Maternal LEC (33 decks)

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