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Flashcards in Exam 2 Deck (50)
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1

After the baby is born, the Foramen Ovale is closed due to: (3 processes)

1.) Increased pressure in left atrium
2.) No longer needs to shunt blood from right to left
3.) The movement of the septum secundum to septum primum

2

Subcardinal veins develop in conjunction with development of the ________.

Kidneys

3

The medial umbilical ligament in the adult develops from the _________ ______

Umbilical Artery

4

All are true about the ductus arteriosus

1.) Shunts blood from the pulmonary artery to aorta
2.) Forms the ligamentum arteriosus in the adult
3.) Serves as a by-pass for the pulmonary sirculation in the fetus

5

The aorticopulmonary septum forms from the ________

Mesoderm

6

The membranous portion of the interventricular septum forms from the ______ ______

Bulbus Cordis

7

The left venous valve of the embryo forms the ___________ ______ in the adult.

Interatrial Septum

8

The Ostium secundum is found in the ______ ______

Septum Primum

9

The smooth walled portion of the left atrium is formed from the _________ _____

Pulmonary veins

10

The shift to the right of the sinus venosus causes the

Formation of the coronary sinus.

11

From the Bulbus Cordis, blood would flow directly into the _______ __________

Truncus Arteriosus

12

The foregut gives rise to all of the following:

1.) Gallbladder
2.) Bronchi
3.) Pancreas

13

As the stomach develops, the posterior surface would end up ____ _______ in the adult.

Left Surface

14

The axis of rotation for midgut development is the ________ __________ ______

Superior Mesenteric Artery

15

The omental bursa of the adult forms in the ______ ____________ of the embryo.

Dorsal Mesogastrium

16

During physiological herniation, the midgut grows into the ________ ____

Umbilical cord

17

The superior border of the hindgut is the _________ __________ ______

posterior intestinal portal

18

All the following are true about the urorectal septum:

1.) Develops from mesoderm
2.) Divides the cloaca
3.) Forms the perineum in the adult

19

Blood supply to the hindgut is through the __________ ______

Vitelline artery

20

Al the following develop from the second pharyngeal arch:

1.) Muscles of facial expression
2.) Stapes
3.) Aortic arch II

21

The superior parathyroid gland develops from _____ __

Pouch IV

22

All the following are true about the development of the root of the tongue:

1.) Develops from the copula
2.) Innervated by vagus nerve (CN X)
3.) Develops from Arch IV

23

The philtrum of the lip forms from the ______ _____ _________

medial nasal swellings

24

The palate of the adult develops from the

Medial nasal swellings and
Maxillary processes

25

The blood supply to pharyngeal arch III is ______ ______

Aortic arch III

26

The valve of the IVC develops from the _________ mesoderm

Splanchnic

27

Aortic Arch II develops into the _________ artery in the adult

Stapedial

28

The Vitelline veins develop into all the following:

Hepatic Veins
Hepatocardiac portion of IVC
Hepatic portal vein

29

The Ostium secundum forms in the ______ ______

Septum primum

30

The medical umbilical ligaments form from the _________ ________

Umbilical arteries