Medical Definition of Septum secundum

1. The second of two major septal structures involved in the partitioning of the atrium, developing later than the septum primum and located to the right of it; like the septum primum, it is crescentic, but its tips are directed toward the sinus venosus, and it is more heavily muscular; it remains an incomplete partition until after birth, with its unclosed area constituting the foramen ovale. (05 Mar 2000)

Lexicographical Neighbors of Septum Secundum

septum nasi osseum
septum of auditory tube
septum of frontal sinuses
septum of musculotubal canal
septum of sphenoidal sinuses
septum of testis
septum of tongue
septum orbitale
septum pellucidum
septum primum
septum rectovesicale
septum secundum (current term)
septum sinuum frontalium
septum sinuum sphenoidalium
septum spurium
septum tubae
septumless
septums
septuor
septuors
septuple
septupled
septuples
septuplet
septuplets
septupling

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