Heart

Question 1

Location of Heart in mammals

Answer 1

Thoracic cavity surrounded by the mediastinum. usually located along median plane.

Question 2

Location of heart in birds and reptiles

Answer 2

thoracoabdominal region

Question 3

The dogs heart

Answer 3

located btw ribs 3 and 6 or from OCS 3 to 5

Question 4

The bovine heart

Answer 4

heart extends from the second ICS (or the following rib) to the fifth intercostal space.

Question 5

The horse heart

Answer 5

The heart extends from the second to fifth/sixth intercostal spaces (Rib 2 to 6/7).

Question 6

The Pig heart

Answer 6

The heart occupies the ventral half of the thoracic cavity, extending between the second and fifth ribs.

Question 7

Pericardium

Answer 7

serous membrane that covers the heart and forms a cavity. W/I mediastinum

Question 8

paraconal interventricular and subsinuosal interventricular grooves.

Answer 8

Coronary groove that separates atria and ventricles.

Question 9

Endocardium

Answer 9

innermost layer of the membrane that is composed of simple squamos epithelium.

Question 10

Middle layer of the cardiac membrane

Answer 10

Muscular layer formed by cardiac muscles

Question 11

Outer layer of cardiac membrane

Answer 11

Serous covering; the visceral pericardium

Question 12

Interatrial Septum

Answer 12

what separates the atria

Question 13

Interventricular septum

Answer 13

what separates the ventricles

Question 14

Right side of the heart pumps

Answer 14

deoxygenated blood

Question 15

Left side of the heart pumps

Answer 15

oxygenated blood

Question 16

Atrias

Answer 16

open into respective ventricles via atroventricular opening

Question 17

Right atrium

Answer 17

Receives deoxygenated blood from Cranial and Caudal vena cava

Question 18

Intervenous tubercle

Answer 18

mound btw cranial and caudal vena cava that directs blood and prevents turbulence inside Right Atrium

Question 19

Fossa Ovalis

Answer 19

Caudal to intervenous tubercle and provision for bypassing the lungs in fetal stages

Question 20

Opening of the coronary sinus

Answer 20

Located along the right atriu mwall.

Question 21

Pectinate Muscles

Answer 21

thickned interlacing tripes of cardiac mucles on the innerside of the atrial wall

Question 22

Right azygous vein

Answer 22

opens at the entrance of the cranial vena cava into the right atrium

Question 23

Right Ventricle

Answer 23

Receives deoxygenated blood from right atrium

Question 24

Tricuspid valve

Answer 24

guards the right atrioventricular opening.

Question 25

Chordae tendineae

Answer 25

supports the tricuspid valve and connect to the interventricular septum

Question 26

Intraventricular septum

Answer 26

Ventricular wall

Question 27

Papillary muscles

Answer 27

fingerlike projects from the ventricular wall. Chordae Tendeae are attached to it.

Question 28

Septo-marginal band

Answer 28

One or more connecting bands between the wall and septum. Carry fibers of the conducting system of the heart (Purkinje fibers)

Question 29

Pulmonary trunk

Answer 29

carries deoxygenated blood to the lungs.

Question 30

Entrance of pulmonary trunk

Answer 30

Pulmonary valve.

Question 31

Pulmonary Valve

Answer 31

prevents backflow of the blood from the pulmonary trunk

Question 32

Left atrium

Answer 32

Receives oxygenated blood from the lungs via pulmonary veins

Question 33

Left ventricle

Answer 33

Oxygenated blood from the left atrium and pumps it into general circulation through the aorta.

Question 34

Bicuspid Valve

Answer 34

Guards the left atrioventricular opening

Question 35

Left ventricle support of valve

Answer 35

Chordae tendineae and papillary muscles.

Question 36

Aorta

Answer 36

Propels the blood into the systemic circulation

Question 37

Aortic Valve

Answer 37

prevents blood from the aorta going into the left ventricle