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MicroAnat 2 > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

1st organ to undergo functional differentiation?

A

Heart

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2
Q

Rhombencephalon?

A

separation of the somatic and splanchnic mesoderm

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3
Q

The original cardiogenic plate becomes epicarcdiuim and myocardium

A

Epimyocardium

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4
Q

wall of endocardial tube; becomes the inner wall of the heart

A

Endocardium

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5
Q

The ridge is thickened at the median plane of the canal and protrudes into the canal as the?

A

Atrioventricular endocardial cushions

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6
Q

The IAS 2 leaves an opening; the formen ovale that is directed toward the?

A

caudal or inferior vena cava

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7
Q

A process of interlacing bundles of cardiac muscles, in the inner face of the ventricle.

A

Trabeculation

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8
Q

Interlacing bundles of cardiac muscles

A

trabeculae carnae

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9
Q

RAV Canal: 3 flapped?

A

Tricuspid

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10
Q

LAV Canal: 2 flapped?

A

Mitral

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11
Q

Arise by modification of some trabeculae carnae?

A

Pappilary muscles

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12
Q

Formed by reshaping of strands from the AV endocardial cushions?

A

Chordae tendinae

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13
Q

Semilunar valves are formed ___ encordial cushions?

A

3

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14
Q

lined by simple sqamous epithelium (mesothelium) on the outside

A

Epicardium

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15
Q

It comprises the bulk of the ventricular wall and is composed of cardiac muscle?

A

Myocardium

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16
Q

It is lined by endothelium on the inside.

A

Endocardium

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17
Q

Folds of endocardium that guard major orifices of the heart.

A

Cardiac valves

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18
Q

Guard the openings to the ascending aorta and pulmonary trunk.

A

Semilunar valves

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19
Q

Membranous part of the intrventricular septum?

A

Septum membranaceum

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20
Q

DWFCT between R and L AV canals?

A

Trigonum fibrosum (fibrous triangle)

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21
Q

4 fibrous rings that support the cardiac valves?

A

Annuli fibrosi

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22
Q

Located in the wall of R atrium at its junction with the anterior vena cava, pacemaker of the heart

A

Sinoatrial node

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23
Q

Transmits impulses from SA node to AV bundle.

A

Atrioventricular node

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24
Q

gives of a branch to the R and L ventricular wall

A

AV bundle of His

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25
Q

Gives off cranial extensions to face

A

Dorsal Aortae

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26
Q

AA 1 and AA 2

A

Degenerate

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27
Q

R and L AA 3 (Dorsal half)

A

Internal Carotid A.

28
Q

R and L AA 3 (Ventral half)

A

Common Carotid A.

29
Q

Right AA 4

A

Right Subclavian Artery

30
Q

Left AA 4

A

Arch of Adult Aorta

31
Q

Right AA 6 (Ventral half)

A

Right Pulmonary A.

32
Q

Right AA 6 (Dorsal half)

A

Degenerate

33
Q

Left AA 6 (Ventral half)

A

Left Pulmonary A.

34
Q

Left AA 6 (Dorsal half)

A

Ligamentum arteriosum

35
Q

R and L dorsal aortae cranial to AA 3

A

Internal Carotid A.

36
Q

R and L ventral aortae cranial to AA 3

A

External Carotid A.

37
Q

Horse, cow and pig

A

Bicarotid trunk

38
Q

Chicken

A

2 branchiocephalic trunks

39
Q

Arise bilateraly between somites

A

Dorsally intersegmental branches

40
Q

Regress as soon as their appearance

A

ODIA

41
Q

Anastamose with each other to form vertebral artery

A

CDIA

42
Q

Anastomoses with the internal carotid ateries to form

A

Circle of Willis

43
Q

Going to the diaphragm

A

Phrenico-abdominal arteries

44
Q

Kidney

A

Renal arteries

45
Q

Spleen going to the stomach

A

Celiac artery

46
Q

will be going to the lung and esophagus

A

Bronchoesophageal artery

47
Q

Drain the head region and epty into the common cardinal veins

A

Cranial or anterior cardinal veins

48
Q

drain the caudal region of the embryo and epty into the common cardinal veins

A

Caudal or posterior cardinal veins

49
Q

connect with common and caudal cardinal veins and empty into the sinus venosus of the heart

A

Common cardinal veins

50
Q

Portions between the liver and sinus venosus

A

Proximal or cranial segments

51
Q

portions lateral to the liver

A

middle segments

52
Q

portions caudal to the liver

A

distal or caudal segments

53
Q

only endothelium is present

A

capillaries

54
Q

sufficient amount of oxygenated blood

A

Acyanotic

55
Q

insufficient amount of oxygenated blood

A

Cyanotic

56
Q

narrowing of the pulmonary artery

A

pulmonary stenosis

57
Q

narrowing of the aorta immediately below

A

Aortic stenosis

58
Q

small opening in the IV septum

A

Interventricular septal defect

59
Q

formen overlies the IAF 2

A

Interatrial septal defect

60
Q

heart in neck region

A

Ectopia cordis

61
Q

Primary lesions are:
IV Septal defect
Pulmonary stenosis
Dextroaorta

A

Tetralogy of Fallot

62
Q

no pulmonary stenosis

A

Eisenmenger complex

63
Q

from endocardial cushions to fuse and R and L AV canals do not separate

A

Persistent AV Canal

64
Q

no formation of the endocardial cushions

A

Persistent truncus arteriosus

65
Q

failure of ductus arteriosus to close after birth

A

Patent ductus arteriosus

MicroAnat 2 (12 decks)

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