Embryology Flashcards

1
Q

Muscle tissue from

A

Paraxial mesoderm

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2
Q

Bone from

A

Paraxial mesoderm

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3
Q

Cartilage from

A

Paraxial mesoderm

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4
Q

Skin dermis from

A

Paraxial mesoderm

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5
Q

Types of mesoderm

A

Paraxial —> somites
Intermediate
Lateral —> somatic (parietal) and splanchnic (visceral)

(Nearest to furthest from neural tube)

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6
Q

Urogenital system from

A

Intermediate mesoderm

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7
Q

Visceral covering of organs in thorax and abdomen

A

Splanchnic lateral mesoderm

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8
Q

Inside of chest/ abdominal wall

Aka parietal tissue

A

Somatic lateral mesoderm (parietal)

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9
Q

Epidermis of skin from

A

Ectoderm

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10
Q

Hair nails teeth enamel

From

A

Ectoderm

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11
Q

Cns from

A

Ectoderm

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12
Q

Pns from

A

Ectoderm

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13
Q

Glands from

A

Ectoderm

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14
Q

Bits of eye from

A

Ectoderm

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15
Q

Lining of GI tract from

A

Endoderm

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16
Q

Lining of respiratory tract

A

Endoderm

17
Q

(?Lining of )urinary bladder

A

Endoderm

18
Q

Truncus arteriosus

A

Ascending aorta and pulmonary artery

19
Q

Bulb is cord is

A

Smooth part of (right )ventricle

20
Q

Primitive ventricle

A

Traveculated part of ventricles

21
Q

Atrium

A

Tabeculated atria

22
Q

Sinus venous

A

Coronary sinus and smooth R atrium and IVC

23
Q

Primitive pulmonary vein

A

Smooth left atrium

24
Q

How many aortic branches

A

6

25
Q

What fuses to form primitive heart tube

A

Endocardial tubes

26
Q

Rhombencephalon comprises what

What do they become

A

Metencephalon (pons, cerebellum)

Mylencephalon (medulla)

4th ventricle within here

27
Q

penis/clit from

A

genital tubercle

28
Q

urethra surroundings (corpora spongiosum)/ labia minora from

A

genital folds

29
Q

scrotum/ labia majora from

A

genital swellings

30
Q

lung embryology stages and timings and content

A

embryonic (4-7w) - lung buds off primtive gut tube (foregut endoderm)- respiratory diverticulum

psuedoglanfular (7-16w) - L/R bronchi develop and some more

canalicular (16-25w) respiratory bronchioles and terminal sacs develop off of terminal bronchioles

alveolar (25w-birth) - alveoli devlopment inc type 1 and 2 penumocytes and surfactant