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Flashcards in Exam 2 Deck (50)
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1
Q

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

A
  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
Q

Subcardinal veins develop in conjunction with development of the ________.

A

Kidneys

3
Q

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

A

Umbilical Artery

4
Q

All are true about the ductus arteriosus

A
  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
Q

The aorticopulmonary septum forms from the ________

A

Mesoderm

6
Q

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

A

Bulbus Cordis

7
Q

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

A

Interatrial Septum

8
Q

The Ostium secundum is found in the ______ ______

A

Septum Primum

9
Q

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

A

Pulmonary veins

10
Q

The shift to the right of the sinus venosus causes the

A

Formation of the coronary sinus.

11
Q

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

A

Truncus Arteriosus

12
Q

The foregut gives rise to all of the following:

A
  1. ) Gallbladder
  2. ) Bronchi
  3. ) Pancreas
13
Q

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

A

Left Surface

14
Q

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

A

Superior Mesenteric Artery

15
Q

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

A

Dorsal Mesogastrium

16
Q

During physiological herniation, the midgut grows into the ________ ____

A

Umbilical cord

17
Q

The superior border of the hindgut is the _________ __________ ______

A

posterior intestinal portal

18
Q

All the following are true about the urorectal septum:

A
  1. ) Develops from mesoderm
  2. ) Divides the cloaca
  3. ) Forms the perineum in the adult
19
Q

Blood supply to the hindgut is through the __________ ______

A

Vitelline artery

20
Q

Al the following develop from the second pharyngeal arch:

A
  1. ) Muscles of facial expression
  2. ) Stapes
  3. ) Aortic arch II
21
Q

The superior parathyroid gland develops from _____ __

A

Pouch IV

22
Q

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

A
  1. ) Develops from the copula
  2. ) Innervated by vagus nerve (CN X)
  3. ) Develops from Arch IV
23
Q

The philtrum of the lip forms from the ______ _____ _________

A

medial nasal swellings

24
Q

The palate of the adult develops from the

A

Medial nasal swellings and

Maxillary processes

25
Q

The blood supply to pharyngeal arch III is ______ ______

A

Aortic arch III

26
Q

The valve of the IVC develops from the _________ mesoderm

A

Splanchnic

27
Q

Aortic Arch II develops into the _________ artery in the adult

A

Stapedial

28
Q

The Vitelline veins develop into all the following:

A

Hepatic Veins
Hepatocardiac portion of IVC
Hepatic portal vein

29
Q

The Ostium secundum forms in the ______ ______

A

Septum primum

30
Q

The medical umbilical ligaments form from the _________ ________

A

Umbilical arteries

31
Q

The smooth walled portion of the right atrium develops from the _____ _______

A

Sinus venosus

32
Q

The sacrocardinal veins develop in response to growth of the _____ ____

A

Lower limb

33
Q

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

A

Bulbus cordis

34
Q

The IVC develops from all of the following:

A

Vitelline vein
Subcardinal vein
Sacrocardinal vein

35
Q

Pectinate muscles develop from the _________ ______

A

Embryonic Atrium

36
Q

The superior right venous valve develops into _______

A

NOTHING

37
Q

The left sinus horn develops into the ________ _____

A

Coronary Sinus

38
Q

The gall bladder develops from the _________

A

Endoderm

39
Q

The inferior border of the midgut is the _________ __________ ______

A

Posterior intestinal portal

40
Q

The stomach rotates on its longitudinal axis such that an anterior side becomes the _____ side.

A

Right

41
Q

All the following are outgrowths of the bile duct:

A

Liver
Ventral pancreas
Gall bladder

42
Q

The midgut undergoes herniation into the _________ ____

A

Umbilical cord

43
Q

Distal to the dentate line, the anal canal develops from the ________

A

Ectoderm

44
Q

The liver develops in all the following:

A

Ventral Mesogastrium
Lesser omentum
Stomach mesentery

45
Q

The omental bursa forms ______ to the stomach

A

Dorsal

46
Q

Arch IV develops into the _______ ___________ of the adult

A

Laryngeal cartilages

47
Q

The posterior 1/3 of the tongue develops from the _______

A

Copula

48
Q

The forehead develops from the ___________ ________

A

Frontonasal swelling

49
Q

The palate develops from the _____ ______ ________ and _________ __________

A

Medial nasal swelling

Maxillary swelling

50
Q

The pericardial ridge will grow and cover the ___________ ______

A

Pharyngeal clefts.