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Anatomy Lab 1 > GA1-Heart and Pericardium Parts > Flashcards

GA1-Heart and Pericardium Parts Flashcards

1
Q

Left Coronary Artery

A

Anterior. Comes off of the left side of the ascending Aorta. Splints in half to the Circumflex Branch (goes around heart) & Left Anterior Descending

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2
Q

Right Coronary Artery

A

Anterior Comes off the Rights side of ascending aorta following the coronary sulcus. Branches off first to Right Marginal Branch and then the Posterior Interventricular Branch of Coronary artery

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3
Q

Coronary Sulcus

A

Divides the atrium from the ventricle. Holds the coronary artery.

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4
Q

Coronary Sinus

A

Posterior side, delivers deoxygenated blood from heart muscle to right atrium.

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5
Q

Pulmonary Trunk

A

Posterior side. Branches into pulmonary veins. Delivery of deoxygenated blood to lungs.

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6
Q

Sulcus Terminalis

A

Space between Right auricle and Superior Vena Cava. Opposite the Crista Terminalis.

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7
Q

Mitral Valve

A

Sits between Left Atrium and Left ventricle

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8
Q

Tricuspid Valve

A

Sits between Right Atrium and Left ventricle

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9
Q

Crista Terminalis

A

Smooth ridge Dividing the pectate and smooth muscle of the right atrium. Opposite the Sulcus terminalis.

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10
Q

Pectinate muscles

A

‘Rough’ muscle inside the atrium of heart. Porous.

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11
Q

Trabeculae Carneae In the Ventricles

A

Rough porous muscles in ventricles.

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12
Q

Trabeculae Carneae In the Atriums

A

Rough porous muscles on the walls to the outer heart.

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13
Q

Pericardium is made of:

A

Fibrous Pericardium & Serous Pericardium

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14
Q

Fibrous Pericardium

A

Outer layer of pericardium. Attaches to diaphragm on

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15
Q

Serous Pericardium

A

Inner Layer of pericardium.

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16
Q

Parietal Pericardium

A

Outer layer of Serous pericardium. Attached to the fibrous pericardium.

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17
Q

Visceral Pericardium

A

Innermost layer of the Serous Pericardium

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18
Q

Order of Things passing through diaphragm A to P

A

I Eat Apples: Inferior Vena Cava, Esophogus, Aorta

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19
Q

Pericardium is bound by:

A

Pericardiacophrenic & Sternopericardial ligaments

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20
Q

Pericardium Arterial supply

A

internal Thoracic, Pericardiophrenic, muscluphrenic, and inferior phrenic arteries and the thoracic aorta

21
Q

Pericardium Nerve supply

A

Phrenic (GSE, GSA, GVE, GVA) and vagus nerves, sympathetic trunks

22
Q

Pericardium location

A

Middle Mediastinum, costal cartilage 2-6, T5-T8 Vertebrae

23
Q

Layers of the Heart

A

Epicardium, Myocardium, Endocardium

24
Q

Sternocostal Surface of the Heart

A

Right Ventricle

25
Q

Left Pulmonary Surface of the Heart

A

Left Ventricle and part of the Left Atrium

26
Q

Right Pulmonary surface of the Heart

A

Right atrium

27
Q

Diaphragmatic surface of the Heart

A

Left Ventricle and a bit of the right ventricle

28
Q

Base

A

Posterior aspect, Left atrium. Located at T6-T9. Sits Posterior, Superior and to the right

29
Q

Apex

A

Inferolateral part of the Left ventricle. Located at the 5th intercostal space and the mid clavicular line. Sits Anteriorly, Inferiorly to the left.

30
Q

Atrioventricular Sulcus

A

Also known as the Coronary Sulcus

31
Q

Superior Border of the Heart

A

Left Atrium and Right Atrium and Auricles

32
Q

Inferior Border

A

Right Ventricle and tiny bit of Left Ventricle

33
Q

Left Border

A

Left Ventricle and Left Auricle

34
Q

Right Border

A

Right Atrium. Extends from Superior Vena Cava to Inferior Vena Cava.

35
Q

Right Atrium Contains

A

Crista Terminalis, Sinus venarum, pectinate muscles, venus openings, fossa ovalis, tricuspid orifice

36
Q

Left Atrium contains

A

Pulmonary Vein openings and mitral orifice

37
Q

Right Ventricle Contains

A

Conus Arteriosus, papillary muscles, trabeculae carneae, tricuspid valve.

38
Q

Left Ventricle Contains

A

Mitral Valve, papillary muscles, trabeculae carneae,

39
Q

SA Nodal Branch origin

A

Branches off of Circumflex branch of the left coronary artery. 40% of blood to SA Node

40
Q

AV Nodal Artery, SA Nodal Artery

A

Off of Right Coronary artery 80% & 40%

41
Q

Marginal Branch of Right Coronary Artery Supplies

A

Right Ventricle

42
Q

Posterior Interventricular Supplies

A

Both Ventricles

43
Q

Which Coronary Artery is dominant?

A

90% of people have RCA dominance. 15% have codominance.

44
Q

Cardiac Conduction System

A

SA>Internodal fasciculi>AV Node>AV Bundle> Purkinje fibers

45
Q

SA Node Job

A

Intrinsic, automatic, electrical stimulus produced on its own. Primary pacemaker. *Can be influenced by synaptic and parasympathetic impulses.

46
Q

Purkinje fibers

A

Specialized cardiac muscle w/glycogen

47
Q

Cardiac Plexus Contains

A

Preganglionic Sympathetic fibers, Vagal afferent fibers, Post ganglionic sympathetic fibers, sympathetic afferent fibers. Doesn’t detect touch, cold, cutting or heat.

48
Q

Vagal afferent fibers

A

Sensory. Preganglionic sympathetic. Detects changes in blood pressure and blood composition.

49
Q

Sympathetic afferent fibers

A

Parasympathetic GVA detects ischemic pain, i.e. lack of blood flow

Anatomy Lab 1 (2 decks)

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