septum (redirected from interatrial septum)

sep·tum  (sptm)

n. pl. sep·ta (-t)

A thin partition or membrane that divides two cavities or soft masses of tissue in an organism: the nasal septum; the atrial septum of the heart.

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[New Latin sptum, from Latin saeptum, partition, from neuter past participle of saepre, to enclose, from saeps, fence.]

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septum

Noun

pl -ta Biol, anat a dividing partition between two tissues or cavities, such as in the nose [Latin saeptum wall]

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septum  (sptm)

Plural septa

A thin wall or membrane that separates two parts or structures in an organism. Septae separate the chambers of the heart and subdivide the hyphae of some fungi.

Thesaurus

Noun	1.	septum - (anatomy) a dividing partition between two tissues or cavities partition - (anatomy) a structure that separates areas in an organism nasal septum - a partition of bone and cartilage between the nasal cavities anatomy, general anatomy - the branch of morphology that deals with the structure of animals
	2.	septum - a partition or wall especially in an ovary plant organ - a functional and structural unit of a plant or fungus