septum pellucidum
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septum pel·lu·ci·dum
(pə-lo͞o′sĭ-dəm)n. pl. septa pel·lu·ci·da (-də)
A thin membrane of nervous tissue that forms the medial wall of the lateral ventricles in the brain.
[New Latin sēptum pellūcidum : sēptum, septum + Latin pellūcidum, neuter of pellūcidus, transparent.]
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