Term
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Definition
| glandular mass found just cranial to the heart; especially prominent in young cats, but not very apparent in old ones |
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Definition
| a membranous sac which surrounds the heart |
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Definition
| portion of the pericardium forming the outer wall of the pericardial cavity |
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Term
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Definition
| portion of the pericardium adhering to the heart wall |
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Term
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Definition
| portion of the coelom housing the heart; between the parietal and visceral pericardium |
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Term
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Definition
| large organ occupying the pericardial cavity and having four major chambers in the adult |
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Definition
| thick-walled chamber which pumps oxygen-poor blood to the lungs in the adult |
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Term
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Definition
| thickest-walled chamber which pumps oxygen-rich blood to all the parts of the body except the lungs |
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Term
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Definition
| caudal end of the heart; directed toward the left |
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Definition
| thin-walled chamber which receives oxygen-poor blood from all parts of the body; found just cranial to the right atrium |
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Definition
| obvious ear-like portion of the right atrium |
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Definition
| thin-walled chamber which receives oxygen-rich blood from the lungs; found just cranial to the left ventricle |
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Term
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Definition
| ear-like flap of the left atrium |
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Term
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Definition
| depression separating the right atrium from the right ventricle |
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Term
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Definition
| large, ventrally located arterial vessel which leaves the cranial end of the right ventricle and carries oxygen poor blood to the lungs |
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Term
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Definition
| very large arterial vessel which carries oxygen-rich blood from the left ventricle; curves to the left and passes along the vertebral column to the pelvis |
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Term
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Definition
| straight part of the aorta emerging from the left ventricle |
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Term
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Definition
| curved portion of the aorta seen continuing from the ascending aorta |
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Term
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Definition
| portion of aorta continuing from the aortic arch in a caudal direction to the level of the pelvis |
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Term
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Definition
| portion of the descending aorta in the chest area |
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Definition
| portion of the aorta in the abdominal area |
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Definition
| two small vessels which leave the base of the ascending aorta and pass to the heart musculature |
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Term
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Definition
| seen on the surface of the heart wall parallel to the branches of the coronary arteries |
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Term
| postcava (inferior vena cava) |
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Definition
| one of the large veins entering the right atrium; drains the lower regions of the body |
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Term
| precava (superior vena cava) |
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Definition
| one of the large veins entering the right atrium; drains the head, neck, and forelegs |
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Term
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Definition
| collection point for the coronary veins; empties into the right atrium almost in common with the postcava |
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Term
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Definition
| short veins which carry oxygen-rich blood from the lungs to the left atrium |
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Definition
| mid-ventral branch from the precava which bifurcates distally and drains the thoracic wall as well as the cranial portion of the ventral abdominal wall |
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Definition
| two short branches of the precava, each of which has several smaller branches |
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Term
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Definition
| drains blood from the foreleg into the innominate vein |
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Term
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Definition
| continuation ofsubclavian vein located in the armpit |
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Term
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Definition
| continuation of subclavian vein located in the foreleg |
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Term
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Definition
| seen superficially alongside neck; helps drain blood from the head to the innominate; transverse vein connects the two veins |
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Term
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Definition
| small vein parallel to the cranial portion of the windpipe which drains blood from the skull to the innominate |
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Term
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Definition
| helps drain the shoulder; empties into the external jugular vein |
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Term
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Definition
| usually enters the innominate vein; drains the cranial cavity; passes down through the transverse foramina of cervical vertebrae |
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Term
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Definition
| unpaired vessel which enters the dorsal part of the precava near its connection with the right atrium; helps drain the thoracic wall |
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Definition
| drain blood from intercostal areas into the azygos vein |
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Term
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Definition
| most cranial intercostal vein |
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Term
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Definition
| vessels originating from the thoracic aorta which supply blood to the intercostal areas; can be seen adjacent to the intercostal veins |
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Term
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Definition
| one of the large vessels arising from the front of the aortic arch |
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Term
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Definition
| other large vessel arising from the front of the aortic arch |
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Term
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Definition
| continuation of left subclavian artery in the armpit |
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Term
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Definition
| continuation of left subclavian artery in the foreleg |
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Term
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Definition
| most lateral of three branches of the innominate artery; its main trunk supplies oxygen-rich blood to the right foreleg; divisions are the same as the left subclavian artery |
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Term
| internal mammary arteries |
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Definition
| arise from the ventral surfaces of the subclavians and run to the chest wall on either side of the sternum |
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Term
| cranial epigastric arteries |
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Definition
| continuation of the internal mammary arteries after they have passed into the ventral abdominal wall |
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Term
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Definition
| arises from the dorsal surface of the subclavian; follows the vertebral vein through the transverse foramina of the cervial vertebrae into the cranial cavity |
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Term
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Definition
| the remaining two branches of the innominate artery which are seen on either side of the windpipe; carry oxygen-rich blood to the head |
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