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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

thing go
a separate and self-contained entity

part, piece go
a portion of a natural object

body part go
any part of an organism such as an organ or extremity

structure, anatomical structure, complex body part, bodily structure, body structure go
a particular complex anatomical part of a living thing

tube, tube-shaped structure go
(anatomy) any hollow cylindrical body structure

vessel, vas go
a tube in which a body fluid circulates

blood vessel go
a vessel in which blood circulates

ductus arteriosus go
a blood vessel in a fetus that bypasses pulmonary circulation by connecting the pulmonary artery directly to the ascending aorta

patent ductus arteriosus
a ductus arteriosus that failed to close at birth

noun.body

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