the two lower chambers of the heart that pump blood out to the lungs and body.
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Right Ventricle
pumps deoxygenated blood to the lungs
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Left ventricle
pumps oxygenated blood to the body
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atrioventricular valves
between atria and ventricles
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tricuspid valve
valve between the right atrium and the right ventricle
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bicuspid valve
valve between the left atrium and the left ventricle.
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semilunar valves
pulmonary and aortic valves located between the right ventricle and the pulmonary artery and between the left ventricle and the aorta
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Aortic valve
The semilunar valve separating the aorta from the left ventricle that prevents blood from flowing back into the left ventricle.
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pulmonary valve
valve positioned between the right ventricle and the pulmonary artery
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Apex
lower tip of the heart
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Septum
muscular wall dividing the heart into right and left sides to prevent pure and impure blood from mixing
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Papillary muscle
Small bunches of cardiac muscle responsible for pulling the atrioventricular valves (tricuspid & mitral) closed by means of the chordae tendinae.
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Sinoatrial Node
A small mass of tissue that is made up of Purkinje fibers, ganglion cells, and nerve fibers, that is embedded in the musculature of the right atrium, and that originates the impulses stimulating the heartbeat -- called also S-A node, sinus node.
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Atrioventricular node
A specialized mass of conducting cells located at the atrioventricular junction in the heart.
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right and left bundle branches
Two pathways in interventricular septum
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Carry impulses toward apex of heart
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Purkinje fibers
fibers in the ventricles that transmit impulses to the right and left ventricles, causing them to contract
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Pulmonary trunk
carries blood from right ventricle to pulmonary arteries
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pulmonary arteries
carry deoxygenated blood out of the right ventricle and into the lungs
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Pulmonary veins
Deliver oxygen rich blood from the lungs to the left atrium
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Aorta
The large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body.
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right coronary artery
artery vascularizing the right side of the heart
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posterior interventricular artery
runs to the heart apex and supplies the posterior ventricular walls
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left coronary artery
supplies blood to the left ventricle, left atrium, and interventricular septum
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anterior interventricular artery
supplies blood to the interventricular septum and anterior walls of both ventricles
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Circumflex
supplies the left atrium and the posterior walls of the left ventricle
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brachiocephalic
The first major branch off of the aorta and the major artery to the forelimbs and head.
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right common carotid artery
supplies right side of head and neck
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internal carotid
branches off the common carotid and runs inward and upward to supply the brain
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external carotid
major artery serving the tissues external to the skull
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right subclavian artery
branched off of the brachiocephalic;
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courses beneath clavicle towards armpit to become axillary artery;
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branches off a vertebral artery (to brain)
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axillary artery
artery that carries oxygenated blood to the axilla (armpit) area
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Brachial artery
artery of the upper arm
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Radial artery
The major artery in the forearm; it is palpable at the wrist on the thumb side.
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Ulnar artery
artery that supplies blood to the muscle of the little finger side of the arm and palm of the hand
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left subclavian artery
Third branch of the aortic arch that distributes blood to the left arm
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Thoracic Aorta
part of the aorta the descends from the aortic arch through the thorax to the diaphragm
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Abdominal Aorta
continuation of the thoracic aorta that runs through the abdominal cavity
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renal artery
blood vessel that carries blood to the kidney
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right and left common iliac arteries
begin at division of abdominal aorta at level of fourth lumbar vertebra and terminate into internal and external iliac arteries
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internal iliac artery
Main artery of the pelvis
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External iliac artery
supplies lower limbs
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femoral artery
the major artery supplying the leg
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Popliteal artery
behind the knee
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anterior tibial artery
One of the popliteal arteries (the other is the posterior tibial artery) that supplies blood to the lower leg muscles and to the muscles and skin on the top of the foot and adjacent sides of the first and second toes. This artery continues to the foot where it becomes the dorsalis pedis artery.
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posterior tibial artery
artery supplying the foot, behind the medial ankle
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Deep palmer arch
Proximal hand, closer to the wrist
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digital arteries
arteries in fingers
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Coronary sinus
enlarged vessel on the posterior aspect of the heart that empties blood into the right atrium
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great cardiac vein
runs alongside the anterior interventricular artery
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small cardiac vein
Vein that travels along side the right marginal artery.
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middle cardiac vein
runs alongside the posterior interventricular artery
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superior vena cava
A vein that is the second largest vein in the human body and returns blood to the right atrium of the heart from the upper half of the body.
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brachiocephalic vein
veins formed by the union of the internal jugular and subclavian veins
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internal jugular vein
Vein located at the side of the neck to collect blood from the brain and parts of the face and neck.
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subclavian vein
either of the two veins that returns blood from the arms to the heart
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axillary vein
The subclavian vein arises as the continuation of
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the
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cephalic vein
Large vein on the outermost side of the upper arm
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brachial vein
drains blood from the radial and ulnar veins, then empties that blood into the axillary vein
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ulnar vein
A vein that drains blood from the forearm and the hand and that empties into the brachial vein
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radial vein
A vein that drains blood from the forearm and the hand and then empties into the brachial vein
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Basilic vein
The large vein on the inner side of the bicep and is often chosen for intravenous injections and blood drawing
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median cubital vein
a vein that forms a bridge between the cephalic vein on the medial side in the anterior elbow region and basilica vein; blood can be sampled at this site
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Inferior vena cava
A vein that is the largest vein in the human body and returns blood to the right atrium of the heart from bodily parts below the diaphragm.
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Right and left common iliac vein
vein that drains the Pelvis, perineum, lower limb
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internal iliac vein
drains pelvis
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external iliac vein
receives venous blood from the lower extremity
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great saphenous vein
longest vein in body;
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drains blood from foot, leg, and thigh;
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joins with femoral vein
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femoral vein
major vein of the thigh that receives blood from the deep femoral and great saphenous vein
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popliteal vein
The vein that forms when the anterior and posterior tibial veins unite at the knee.
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small saphenous vein
empties into the popliteal vein
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anterior cardiac vein
drains right ventricle; opens directly into the right atrium
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posterior vein on left ventricle
drains the area supplied by the circumflex artery
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Superior concha
part of ethmoid bone
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Middle concha
part of ethmoid bone
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Inferior concha
What is C?
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Superior meatus
Identify the passageway.
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Inferior meatus
nasolacrimal duct
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Frontal Sinus
cavity within the frontal bone
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Sphenoidal sinus
paired cavity located within the sphenoid, inferior to the sella turcica
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Uvula
soft tissue hanging from the middle of the soft palate
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Hard palate
roof of the mouth
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Soft palate
posterior portion, not supported by bone
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laryngopharynx
lower part of the pharynx, just below the oropharyngeal opening into the larynx and esophagus
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nasopharynx
region of the pharynx at the back of the nose and above the soft palate
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Vestibular folds
(false vocal cords)
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Superior to vocal folds
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No part in sound production
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Help to close glottis during swallowing
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Vocal folds
true vocal cords
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Primary bronchus
a pair of branches of the trachea that lead to the right and left lung; consist of incomplete rings of cartilage and are lined by pseudostratified ciliated columnar epithelium
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Secondary bronchus
branches of the primary bronchi which supply each lobe of lung; there are 2 in the left lung and 3 in the right lung