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Respiratory Anatomy > Embrology > Flashcards

Embrology Flashcards

1
Q

What is teh embroyonic phase

A

weeks 0-3

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2
Q

what is teh embroyonic phase

A

weeks 4-8

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3
Q

what is teh fetal stadge

A

weeks 9-40

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4
Q

name for femal reporduction cells

A

ovum

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5
Q

process of producingsperma dn ovums

A

mitosis

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6
Q

ititual sperm and ovum cell

A

spermatogonium and oogonium

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7
Q

first cell produced afger fertilisation

A

zygote

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8
Q

what does the zygote durin into

A

morula - soil ball of cells

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9
Q

what are examples of disease that are inherited from the mother

A

leber’s hereditary opic neurophath, blindless

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10
Q

what do morula turn into

A

blastocystic cavity

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11
Q

what is teh outer lineing of the blastocytic cavity called

A

trophoblast

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12
Q

what is teh inner cell mastq

A

part of blastocyte where the cell group together

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13
Q

what moves the fertilised ovum algon the pholpina tube

A

cilia

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14
Q

ectopic pregnacty

A

happens in uterine tube

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15
Q

what cheical are proced by the folagues near the ovary

A

estrogen and progesion

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16
Q

when does the placent start to develop

A

about 2 weeks

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17
Q

what does teh tropoblast turn to next

A

chorion

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18
Q

what is chorion

A

villi like process to form plecentsa

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19
Q

what organ secreaetes human chronica gonadotropin

A

chorion

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20
Q

endometrium

A

uterine wall

21
Q

what point does the blastocyst start to burry into tehuternie wal

A

about 7

22
Q

decidua basalis

A

a stucture that attaches to the endothelium to allow nutrience and blood flow to pass through

22
Q

what is superior and inferior, epiblast or hypoblast

A

epiblast superior, hydroblast inferior

23
Q

what does the epiblast form

A

amniotic cavity

24
Q

what does hte yolk sac form from

A

hydroblast

25
Q

bilaminar disc

A

cells of inner cell mas form a 2 layered flat disc called a bilaminar disc

26
Q

what is the function of the placenta

A

foetal nutrion, transport of waste and gases , imunity

27
Q

what is teh feoal part of the placenta surface like

A

smooth with foetal blood vessels and end of the umbilical cord

28
Q

what is the materianl part of the uterous like

A

made of deciu basalis, it is rough and has material blood vessels

29
Q

how do identical twins form

A

1 ovum and 1 sperm to 1 sycogts, to tow differ embyoyes

30
Q

how to fraternal (non idetnil twis form)

A

2 ova, 2 sperma nd 2 seperate zygotes

31
Q

differene beetwen dizygotic and monozygoic

A

monozygotic - idential, dizygotic, non identical

32
Q

gastrulation

A

formulation of germ layers in week 3

33
Q

neurulation

A

formation of the neural tube

34
Q

primative streak

A

formed in the midline of the epiblast by dipping cells to form mesoderm layer

35
Q

what is most superior middle and inferior
ectoderm, endoderm, mesoderm

A

ectoderm,
mesoderm,endoderm

36
Q

what is a notocord

A

a solid tube of cells that turns into a neurtal tube

37
Q

what cells turn the notcord to a neural tubw

A

ectodermao

38
Q

what are the 3 divisions of te mesoderm from proximal to medial to distal

A

paraxial mesoderm
intermedial plate mesoderm
lateral plate mesoderm

39
Q

what doese the paracial turn into

A

dermatone,mytome and sclerotome

40
Q

when does the heart start to beat

A

day 24

41
Q

when does latarel fold in tube occur

A

3rd week

42
Q

what does the gut form from

A

endoderm

43
Q

what does teh urogential system form from

A

intermida mesoderm

44
Q

what does the body cavity from from

A

lateral plate mesoderm

45
Q

what is teh lateral folding

A

forlindin so the endoderm endos up of the inside to from the gut
the mesoderm forms the splanic and somatic systems
the ectoderm frmos outsdie

46
Q

when does te head and tail fold occur

A

between weeks 4-6

47
Q

what are somites form

A

from dermates, myotomes and scleromtes

48
Q

thalidomide

A

tradegy of drug given to pregnant mothers to stop moring sickness caused limb issues

Respiratory Anatomy (8 decks)

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