Plastic Heart Model & Sheep Heart

94 terms by Crzystraw27

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Chordae tendineae

"tenticles on jellyfish"

Interventricular septum

Left atrium

Left ventricle

Name this chamber.

Myocardium

muscle layer you can see in ventricles

Pulmonary semilunar valve

3 white "tubes/bumps" in pulmonary trunk

Pulmonary trunk

Right atrium

Right ventricle

Name this chamber.

Bicuspid valve

Papillary muscle

anchors the chordae tendineae

Pulmonary semilunar valve

Aortic semilunar valve

Fossa ovalis

Name this structure located in the right atrium.

Right Auricle, Left Auricle

Identify Red Arrow, Identify Blue Arrow

Coronary Sulcus

Identify:a deep groove that encircles most of the heart and marks the external boundary between the atria and ventricles

Anterior Interventricular Sulcus

Identify: depression on anterior surface of the heart - makes the division of left and right ventricles

Posterior Interventricular sulcus

Identify: depression on the posterior surface of the heart - marks the division of the left and right ventricles. Middle Cardiac vein rests in this groove.

interatrial septum

Identify: partition between the right and left atria

Foramen Ovale

Identify: penetrates interatrial septum from fifth week of embryonic development until birth, when a thin membane grows over the opening

Fossa Ovalis

Identify: (LIKELY A WORD QUESTION) a shallow depression in the interatrial septum that marks the spot where an opening, the foramen ovale, existed in the fetal heart.

Atrioventricular Valves

Valves located between the atrial and ventricular chambers on each side of the heart, prevent backflow into the atria when the ventricles are contracting.

Tricuspid Valve

Identify:

Bicuspid Valve

Identify: connects the left atrium to the left ventricle

Semilunar Valves

pulmonary and aortic valves located between the right ventricle and the pulmonary artery and between the left ventricle and the aorta

pulmonary semilunar valve

Identify L

Aortic Semilunar Valve

Identify: The valve that leaves or exits the left ventricle opening/entering the aorta

Aortic semilunar Valve

this allows oxygen-rich blood to pass from the left ventricle into the ascending aorta

Cusps

Identify: Valves are composed of two or three

Papillary Muscle

Identify: cone-like projections on the ventricular walls, to which the chordae tendineae are attached. The contraction of the papillary muscles and the tightening of the chordae tendineae prevent the valve flaps of the AV valves from turning inside out into the atria.

Fibrous Skeleton

Identify: four fibrous rings that surround the valve orifices and two triangular fibrous connections between these rings, the right and left fibrous trigones. The valves include the aortic and pulmonary semilunar valves and the right and left atrioventricular valves.

Pectinate Muscle

found on walls of atria

Trabeculae Carneae

Identify: muscular ridges on the internal surface of the ventricles (does not anchor the chordae tendineae)

Moderator Band

WORD question on Lab Exam: -attaches from the anterior papillary muscles to interventricular septum
FUNCTION:
-strengthen anterior papillary muscles
-conveys branch of AV bundle

Left Coronary Artery

Identify: arises from the left aortic sinus

Anterior Interventricular Branch

Identify:

Circumflex Branch

Right Coronary Artery

Right Coronary Artery

Identify:

Coronary Sinus

a short sinus receiving most of the veins of the heart

Coronary sinus

Identify:

Great Cardiac Vein

Identify: The anterior vein of the heart that runs in the interventricular sulcus, and feeds into the coronary sinus at its left end

Great Cardiac Vein

Identify:

Middle Cardiac Vein

Identify: lies in the posterior interventricular sulcus; drains the right and left ventricles

Middle Cardiac Vein

Identify: (NOTE, posterior view)

Small Cardiac Vein

Identify: vein that receives blood from the posterior surfaces of the right atrium and ventricle, in between great and middle

Small Cardiac Vein

Identify:

Superior Vena Cava

Identify: large vein that brings deoxygenated blood from the upper part of the body to the right atrium

Superior Vena Cava

Identify: receives blood from the head and arms and chest and empties into the right atrium of the heart

Inferior vena cava

Identify: receives blood from lower limbs and abdominal organs and empties into the posterior part of the right atrium of the heart

Pulmonary trunk

Identify:, the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries

Pulmonary trunk

Identify:Carries blood from right ventricle to pulmonary arteries

Right Pulmonary Artery

branches of the pulmonary trunk - lead to the lungs where gas exchange occurs between the pulmonary capillaries and respiratory membrane

Left Pulmonary Artery

Identify: carries blood from the right ventricle to the left lung

Left Pulmonary Artery

Identify:

Right Pulmonary Veins

Identify: carries blood from the right lung to the left atrium

Right Pulmonary Veins

Identify:

Left Pulmonary Veins

Identify:

Ascending Aorta, Aortic Arch, Descending Aorta

Identify Blue arrows, Red Arrows and Yellow highlighted area:

Ductus Arteriosus

LIKELY WORD QUESTION: this shunt in the fetus connects to the pulmonary arteries (to the lungs) and directly into the Aorta Arch.

Ligamentum arteriosum

Identify: A remnant of the prenatal ductus arteriosis, this structure attaches to both the aortic arch and the pulmonary trunk

Aorta

Identify what BLUE arrow is pointing to:

Superior Vena Cava

Identify what the upper end of the probe is entering

Pulmonary Artery

What vessel is the light blue pencil entering?

Brachiocephalic Artery

What vessel is the dark blue pencil entering?

Right auricle, Left auricle

Idenify What the RED arrow indicates
Identify what the BLUE arrow indicates
NOTE: Anterior view

Anterior interventricular Sulcus

Identify what blue arrows are pointing to:
NOTE: indent, not venous or arterial structure (Also known as longitudinal)

right atrium

Identify this space within the auricle

Left Atrium

Identify this space within the auricle

Tricuspid Valve

Identify this valve (NOTE, anterior view)

Tricuspid Valve

Identify this valve: (NOTE, posterior view)

Bicuspid Valve

Identify this valve:

Atrioventricular Valve

Identify: either of two heart valves through which blood flows from the atria to the ventricles

Bicuspid Valve

Identify this valve: NOTE, posterior view

Moderator Band

Identify this structure, NOTE posterior view

Moderator Band

Identify this structure, NOTE, posterior view.

Moderator Band

This structure stretches from a papillary muscle on the interventricular septum to the wall of the right ventricle. Functionally it is important because it conducts impulses between these two regions on the heart, thereby coordinating the contraction of the cells .

Chordae Tendineae

Identify these structures:
Note connects to papillary muscles and atrioventricular valves

Papillary Muscle

Identify:
muscular projections from interior of ventricular chambers that connect to atrioventricular valves and prevent backward flow of blood during ventricular contraction

Papillary Muscle

Identify:, any of several muscles associated with the atrioventricular valves

Interventricular septum

Identify:

Pectinate Muscle

Identify: ridges of smooth muscle in the atria

Pectinate Muscle

Identify this muscle:

Trabeculae Carneae

Identify: muscular ridges on the internal surface of the ventricles (does not anchor the chordae tendineae)

Trabeculae Carneae

Identify:

Aortic Semilunar Valve

Identify this Left heart valve:

Aortic Semilunar valve

Identify:, The valve that leaves or exits the left ventricle opening/entering the aorta

Pulmonary semilunar valve

Identify:heart valve opening from the right ventricle to the pulmonary artery

Apex

Identify:

Myocardium

Endocardium

Identify:the membrane that lines the cavities of the heart and forms part of the heart valves

fossa ovalis

a depression in the septum between the right and left atria that marks the position of the foramen ovale in the fetus

foramen ovale

an opening in the septum between the two atria of the heart that is normally present in the fetus

ductus arteriosus

a short broad vessel in the fetus that connects the pulmonary artery with the aorta and conducts most of the blood directly from the right ventricle to the aorta bypassing the lungs

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