Lab 8 - Heart and Mediastinum

apex (of heart)

base (of heart)

posterior surface, primarily formed by the left atrium and a small portion of the right atrium

costal surface (of heart)

the forward-facing surface located directly behind the sternum and the costal cartilages

diaphragmatic surface (of heart)

the broad, inferiorly facing surface that rests on the central tendon of the diaphragm

right margin (of heart)

left margin (of heart)

right atria (with auricle)

left atria (with auricle)

right ventricle

left ventricle

right atrioventricular sulcus

anterior interventricular sulcus

coronary sulcus

the entire, continuous groove separating all atria from all ventricles

posterior interventricular sulcus

right coronary artery

right marginal artery (of right coronary artery)

posterior interventricular artery (of right coronary artery)

left coronary artery

#1

anterior interventricular artery or left anterior descending artery (of left coronary artery)

#4

circumflex artery (of left coronary artery)

#2

left marginal artery

#3

coronary sinus

#1

great cardiac vein

#2

middle cardiac vein

#3

small cardiac vein

#4

right atrium

opening for superior vena cava

opening for inferior vena cava

#1

opening for coronary sinus

fossa ovalis

pectinate muscle

tricuspud valve

left atrium

openings for pulmonary veins

interatrial septum

bicuspid valve

interventricular septum

papillary muscles

cordae tendineae

trebecula carnea

moderator band (right ventricle)

muscular bundle in the right ventricle connecting the interventricular septum to the anterior papillary muscle

vagal trunks (left and right)

esophagus

azygos vein

hemiazygous vein

descending aorta

thoracic duct

posterior intercostal arteries and veins

intercostal nerves

sympathetic trunk and chain ganglia

musculodiaphragm

central tendon of the diaphragm

costodiaphragmatic recess

phrenic nerves

pericardiophrenic arteries (and veins)