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Flashcards in Embryology Deck (49)
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1

where does the appendix arise from?

the midgut

2

Abnormal partitioning of the trachea and esophagus is the result of a defective _____________

tracheoesophageal septum

3

Cranial, caudal and lateral folding of the intraembyonic coelom occurs in the _____ week

4th

4

At which stage of lung maturation do Pneumocytes first appear?

Terminal Sac

4

The Endocardial Tube folds to become the ______

Primitive heart tube

6

Both the Foramen Ovale and Ductus Arteriosum work to bypass _____

Pulmonary circulation

7

The hepatic portal system is bypassed by

Ductus venosus

7

herniated bowl into the umbilical cord, or ________, results when the bowl fails to return to the abdominal cavity.

omphalocele

8

The Vasculogenic cell clusters of the splancnic plate mesoderm form the _____ tube

Endocardial

8

Hindgut gives rise to ________

Distal Colon, Cloaca

8

Primary Retroparitoneal structures develop from the __________

Intermediate Mesoderm

9

Central tendon of the diaphragm derives from the ____

septum transversum

9

A large diaphragmatic defect accompanied by a severe diaphragmatic hernia could result from failure of the _________ membrane to close off the _______ canal

pleuroparitoneal, paricardioparitoneal

10

All nephron components arise from growth factor communication in the _________

Metanephric Blastemal Cap

12

Labia Minora arrise from the____

urogenital folds

12

Homologous: Penis

Clitoris

13

In a patient lying supine, ascites (peritoneal fluid) is most often found in the omental bursa due to gravity and fluid moving into this space through the ______

foramen of Winslow (epiploic/ omental foramen)

14

What are the embryonic germinal components of the Bronchial lung buds

Endoderm and splanchnic lateral plate mesoderm

15

Homologous: Labia Majora

Scrotum

16

Bilateral renal agenesis arrises from ______ failing to form on both sides

mesonephric ducts

17

the Pericardioperitoneal canals travel behind the _____

Septum transversum

18

The _________ tissue is responsible for dividing the heart into four chambers and the outflow tract into pulmonary and aortic channels

endocardial cushion

20

what supplies the ventral pancreatic bud?

celiac trunk

21

the seminal vesicles arise from the________

Mesonephric duct

21

Nephrogenic ridge produces the _______(x3)

Pronephroi, Mesonephroi, Metanephroi,

23

when does the Mesonephros become active?

4th week

24

In the Lungs, the Lining of the respiratory tract, alvioli and glands arise from the ______

Endoderm

25

Babies born before 7 months do not produce a sufficient amount of ________, rendering them unable to breath normally.

surfactant

26

body cavities arrise from the

intraembryonic coelom (3rd week)

26

The metonephros form in the ______ region during the _____ week

pelvic, 5th