septum pellucidum


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Related to septum pellucidum: caudate nucleus, Cavum septum pellucidum

septum pellucidum

[′sep·təm pə′lü·səd·əm]
(anatomy)
A thin translucent septum forming the internal boundary of the lateral ventricles of the brain and enclosing between its two laminas the so-called fifth ventricle.
References in periodicals archive ?
The septum pellucidum is a single leaflet formed embryologically by fusion of two laminae and serves to separate the lateral ventricles.
We present a case of a 30 year old Caucasian female with an absent septum pellucidum and gray matter heteropia who was diagnosed with schizoaffective disorder.
SOD'nin iki temel ozelligi; optik sinir hipoplazisi ve septum pellucidum yoklugudur.
The following day, he underwent a left frontal craniotomy for transcortical resection of the colloid cyst, fenestration of the septum pellucidum, and placement of a left frontal ventriculostomy.
Sonographic analysis of the midline will reveal the distinctive corpus callosum in the coronal scan plane as a hypoechoic bridge of tissue superior to the cavum septum pellucidum.
The cavum septum pellucidum is a normal midline structure that is easily recognized as an anechoic, commashaped entity located inferior to the corpus callosum and medial to the frontal horns of the lateral ventricles.
PATIENT'S MRI: Note agenesis of corpus callosum and absence of septum pellucidum (see page 95).
Brain MRI revealed agenesis of the corpus callosum and absence of the septum pellucidum (see figure).
Finally, the endoscope was re-introduced and wide fenestration of the septum pellucidum was performed.
Most of the patients have associated anomalies such as neuronal migration disorders like as dysplasia or heterotopia, the absence of septum pellucidum, corpus callosum dysgenesis, septo-optic dysplasia.
Age, y/Sex/Race Site 1 20/F/W Left frontal lobe 2 36/M/B Thoracic spinal cord 3 42/F/W Third ventricle 4 24/F/W Pontocerebellar angle 5 39/M/B Leftfrontal lobe 6 29/F/W Septum pellucidum 7 35/M/B Right basal ganglia 8 29/F/A Left cerebrum 9 39/M/W Left frontal lobe 10 78/M/B Pituitary/frontal lobes 11 45/M/W Right frontal lobe 12 49/M/W Brainstem/basal ganglia 13 46/M/W Parietal/brainstem 14 61/M/W Bilateral 15 43/M/W Basal ganglia 16 46/F/W CP angle/spinal cord 17 43/F/B Right cerebrum 18 36/M/B Right temporal lobe 19([dagger]) 47/F/B Left frontal/basal ganglia 47/F/B Left frontal lobe 20 44/F/W Medulla 21 74/F/B Pituitary stalk 22 43/F/B Right fronto-orbital 23 7/M/W Right CP angle 24 15/F/W Corpus callosum 25 .