Biology Study Material - BFUN Lab 2: Vocabulary and Definitions Related to Heart Anatomy

Fibrous Pericardium

Name the Layer

Parietal Pericardium

Name the Layer

Epicardium (AKA Visceral Pericardium)

Name the Layer

Pericardial Cavity

Note: in between epicardium/visceral pericardium & parietal pericardium

Name the Blue Space

Oblique Pericardial Sinus

Name the Bottom Arrow

Transverse Pericardial Sinus

Name the Top Arrow

Superior Vena Cava

Name the Vein

Right Brachiocephalic Vein

Name the Vein

Left Brachiocephalic Vein

Name the Vein

Ascending Aorta

Name the Artery

Arch of Aorta

Name the Artery

Brachiocephalic Trunk

Name the Artery

Right Common Carotid

Name the Artery

Right Subclavian

Name the Artery

Left Common Carotid

Name the Artery

Left Subclavian

Name the Artery

Pulmonary Trunk

Name the Artery

Pulmonary Artery

Note: there is a left and right pulmonary artery, which are both branches of pulmonary trunk...the arrow here only points to left pulmonary artery

Name the Artery

Atrioventricular Sulcus (Anterior View)

Note: location of RCA & LCX

Name the Groove

Atrioventricular Sulcus (Posterior View)

Name the Groove

Interventricular Sulcus (Anterior View)

Note: location of LAD & posterior descending, as well as great & middle cardiac veins

Name the Groove

Interventricular Sulcus (Posterior View)

Name the Groove

Right Coronary Artery (RCA)

Name the Artery

Right Marginal Artery

Note: branch of RCA

Name the Artery

Left Coronary Artery (LCA)

Note: very short (splits into LCX and LAD), hard to find good pictures

Name the Artery

Left Circumflex Artery (Posterior)

Note: branch of LCA, travels alongside coronary sinus in atrioventricular groove

Name the Artery

Left Circumflex Artery (Anterior)

Name the Artery (C)

Left Anterior Descending Artery

Note: branch of LCA, travels alongside great cardiac vein in the interventricular groove

Name the Artery

Posterior Descending Artery

Note: travels in interventricular groove, can come off LCX or RCA (in this picture I think it is LCX, making this a left dominant heart)

Name the Artery (HINT: it's a posterior view)

Great Cardiac Vein

Note: runs along LAD in interventricular groove, drains into coronary sinus

Name the Vein

Middle Cardiac Vein

Note: runs along PDA in interventricular groove, drains into coronary sinus

Name the Vein (HINT: it's a posterior view)

Small Cardiac Vein

Note: travels alongside right marginal artery

Name the Vein

Small Cardiac Vein (Posterior View)

Name the Vein

Coronary Sinus

Note: drains into RA, collects from all coronary veins on heart surface except anterior cardiac veins

Name the Space

Right Auricle

Name the Structure of the Right Atrium

Opening of Superior Vena Cava

Name the Structure of the Right Atrium

Opening of Inferior Vena Cava

Name the Structure of the Right Atrium

Crista Terminalis

Note: ridge between smooth-walled portion of right atrium and pectinate muscles

Name the Structure of the Right Atrium

Pectinate Muscles

Note: helps contractions in diastole, they look translucent in lab (you can see light shine through them)

Name the Structure of the Right Atrium

Fossa Ovalis

Note: remnant of foramen ovale

Name the Structure of the Right Atrium

Opening of Coronary Sinus (AKA Thebesian Valve)

Name the Structure of the Right Atrium

SA Node (AKA pacemaker of heart)

Note: can't actually see it, but is between SVC and crista terminalis

Name the Structure of the Right Atrium

AV Node

Note: can't actually see it, but is within interatrial septum between opening of coronary sinus and septal leaflet of tricuspid

Name the Structure of the Right Atrium

Tricuspid Valve (AKA right atrioventricular valve)

Note: contains 3 leaflets - anterior, posterior, and septal, which connect to papillary muscles via chordae tendineae

Name the Structure of the Right Ventricle

Anterior Cusp of Tricuspid

Name Structure 3 (Part of Right Ventricle)

Septal Leaflet of Tricuspid

Name Structure 4 (Part of Right Ventricle)

Posterior Leaflet of Tricuspid

Name Structure 5 (Part of Right Ventricle)Name Structure 5 (Part of Right Ventricle)

Anterior Papillary Muscle

Name the Muscle of the Right Ventricle

Posterior Papillary Muscle

Name the Muscle of the Right Ventricle

Septal Papillary Muscle

Note: attached to interventricular septum

Name the Muscle of the Right Ventricle

Interventricular Septum

Name the Structure of the Right Ventricle

Moderator Band (septomarginal trabecula)

Note: connects anterior papillary muscle with interventricular septum

Name the Structure of the Right Ventricle

Chordae Tendineae

Note: exist for left and right ventricles (don't have a separate image for left ventricle)

Name the Structure

Trabaculae Carneae

Note: these are ridges of muscles in right and left ventricles

Name the Structure of the Right Ventricle

Conus Arteriosus (AKA Infundibulum)

Note: smooth space immediately inferior to the pulmonary valve...exists for left ventricle right before aortic valve too, but is only called infundibulum for left ventricle (do not have a separate image for this)

Name the Structure of the Right Ventricle

Pulmonary Valve

Note: contains 3 semilunar valves - anterior, right, left

Name the Structure of the Right Ventricle

Anterior Cusp of Pulmonary Valve

Name the Blue Arrow (Part of Right Ventricle)

Right Cusp of Pulmonary Valve

Name the Red Arrow (Part of Right Ventricle)

Left Cusp of Pulmonary Valve

Name the Green Arrow (Part of Right Ventricle)

Left Auricle

Name the Structure of the Left Atrium

Superior Pulmonary Veins

Name the Structure of the Left Atrium

Inferior Pulmonary Veins

Name the Structure of the Left Atrium

Crux Cordis

Name the Point Where the Horizontal and Vertical Lines Cross

Bicuspid Valve (AKA mitral/left atrioventricular valve)

Note: contains 2 leaflets - anterior & posterior, which connect to papillary muscles via chordae tendineae

Name the Structure of the Left Ventricle

Anterior Cusp of Bicuspid

Name the Structure of the Left Ventricle

Posterior Cusp of Bicuspid

Name the Structure of the Left Ventricle

Anterior Papillary Muscle of Left Ventricle

Name Muscle #1

Posterior Papillary Muscle of Left Ventricle

Name Muscle #21

Aortic Valve

Note: contains 3 semilunar valves - right, left, posterior (non-coronary...since there is no coronary artery stemming from posterior valve)

Name the Structure of the Left Ventricle

Posterior Cusp of Aortic Valve

Name the Structure of the Left Ventricle

Right Cusp of Aortic Valve

Name the Structure of the Left Ventricle

Left Cusp of Aortic Valve

Name the Structure of the Left Ventricle

Fossa Ovalis

Name the Structure of the Right Atrium