Unit one: normal growth and development Flashcards Preview

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Flashcards in Unit one: normal growth and development Deck (26)
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1

What is spina bifida

Opening/ gap in the spinal column; meninges bulge out - can be at diff levels

2

Prenatal development

Germinal - ovum - blastocyte - 0-2 weeks
Embryonic -3-8 weeks
Fetus 8+40

3

Premature

Before 36 weeks

4

Prenatal- 1st 2 weeks

Cells divide while in Fallopian tube , where fertilization occurs(inner placenta/ outer fetus)
2 cells - zygote

5

Outer wall

Ectoderm- skin - nervous system

6

Once cell embeds into uterus what happens?

Differentiation of cells into:
Ectoderm /mesoderm/ endoderm

7

What is cell differentiation

This is when the cells differentiate into the brain and the spinal cord and the skin and organs once the cell is embedded in the uterus

8

Embryonic.

From 2 to 8 weeks, more differentiation
Migrated cells form crest folds onto each other forming neural tube (top brain, bottom spinal column) vascular system

9

Embryonic: 22 days

Brain and spinal column formed

10

Folic acid

Helps prevent neural tube defects

11

Embryonic : 4-5 weeks

Arms and legs

12

Embryonic: 8th week

All organs need to function except sex organs

13

Fetal

9-birth
14 wks:feeding mvmts
29 was: suck thumb

3rd month : B or G
Increase in size by 6x

14

Brain development:

Ventricles produce CSF: nutrients & cushion

15

After birth Myelination

20 weeks babies not fully myelination
Continues to develop until 20 yrs old

16

Nervous system development ( one of first things to develop)

18 days - neural tube appears - invagination
18-25.Completely formed neural tube =embryo
28 days. Different enlargements where brain will be in spinal column

17

Btw 3/4 months gestation

These parts of brain has formed: telencephalon, diencephalic, midbrain, metencephalon,

18

8 months gestation

Sulci / gyri

19

Reflexes

Start to form in utero

20

7 month Prenatal reflex

Can withdraw their head

21

10.5 was prenatal

Swallowing reflex

22

14 weeks prenatal

Something stimulates there had to move then your body will move

23

22 weeks prenatal

Lip Pursing getting them ready to suck

24

29 to 30 weeks pre-natal

Sucks thumb

25

Birth

Intestine and bladder reflex - muconeum

26

What is jaundice

Buildup of Bilirubin - if the levels are 18 to 20 that can cause neurological damage... If they eat and go to the bathroom it will help get rid of jaundice