Embryo Derivatives Flashcards

1
Q

pulmonary epithelia and glands

A

endoderm of the laryngeal tracheal groove

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2
Q

CT, smooth m. and cartilage of respiratory

A

splanchnic mesoderm

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3
Q

epithelium of the larynx

A

endoderm

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4
Q

cartilage of larynx

A

mesenchyme of PA 4 and 6 with NCC input

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5
Q

Laryngeal inlet, vestibular and vocal folds

A

recanalization of arytenoid swellings around wk 10

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6
Q

Epiglottis

A

hypopharyngeal eminence - mesenchyme of PA 3 and 4

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7
Q

Laryngeal Ms.

A

Myoblasts of PA 4 and 6

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8
Q

Bronchial buds/branches

A

endodermal lining growing into pericardioperitoneal canal and branches with splanchnic mesenchyme

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9
Q

Cartilage, CT, smooth m. of the bronchi

A

splanchnic mesoderm

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10
Q

Diaphragm

A

septum transversum, pleuroperitoneal membrane, dorsal mesentary, myoblasts

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11
Q

Blood islands in the yolk sac

A

extraembryonic splanchnic mesoderm

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12
Q

Early erythrocytes and macrophages

A

EPCs and hematopoietic progenitor cells

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13
Q

Vasculogenesis

A

intraembryonic splanchnic and paraxial mesoderm cause aggregation of EPCs/make EPCs “splanchnopleuric mesoderm”

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14
Q

Epicardium

A

proepicardial organ

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15
Q

Transverse Sinus

A

Location of dorsal mesocardium that separated inflow and outflow tracts

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16
Q

Ligamentum arteriosis

A

ductus arteriosis

17
Q

Fossa ovale

A

Foramen ovale

18
Q

Separation of pulmonary vessels and aorta

A

180 degree turn of conal-trunchal ridges that join with muscular portion of the IV septum

19
Q

First heart field

A

EPCs clustered in horse shoe shape in cardiogenic area of splanchnic mesoderm

20
Q

Second heart field

A

splanchnic mesoderm whose maintenance is provided by NCC, PA mesoderm and endoderm

21
Q

Superior Vena Cava

A

Right common cardinal vein

22
Q

Inferior Vena Cava

A

Right vitelline vein

23
Q

R Atrium, VC, coronary sinus

A

sinus venosus

24
Q

R and L auricles and L atrium

A

primordial atria

25
Q

L Ventricle

A

Primordial ventricle

26
Q

smooth part outflow ventricles, aorta and pulm. trunk

A

Blubus cordis

27
Q

Aorta and arteries

A

aortic sac