dorsal median septum

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• median septum of spinal cord dorsal — median septum of spinal cord, posterior s. medianum posterius medullae spinalis …   Medical dictionary

• septum medianum posterius medullae spinalis — [TA] posterior median septum of spinal cord: a neuroglial septum that is a continuation of the posterior median sulcus of the spinal cord, penetrating the substance of the cord and extending almost to the central canal. Called also dorsal median… …   Medical dictionary

• Septum — A word borrowed from the Latin "saeptum" meaning a "dividing wall or enclosure." * * * 1. [TA] A thin wall dividing two cavities or masses of softer tissue. See septal area, transparent s.. 2. In fungi, a wall; usually a cross …   Medical dictionary

• septomarginal fasciculus — fasciculus septomarginalis [TA] a bundle of nerve fibers situated along the dorsal periphery of the dorsal funiculus of the spinal cord in the thoracic region and bordering the dorsal median septum in the lumbar region; called also septomarginal… …   Medical dictionary

• Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… …   Medical dictionary

• lamp shells — ▪ animal Introduction also called  brachiopod,         any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… …   Universalium

• sulcus medianus posterior medullae spinalis — [TA] posterior median sulcus of spinal cord: a shallow vertical groove on the posterior median surface of the spinal cord, separating the two posterior funiculi; the posterior median septum extends out from it. Called also dorsal or posterior… …   Medical dictionary

• funiculus — SYN: cord. [L. dim. of funis, cord] anterior f. [TA] anterior white column of spinal cord, a column or bundle of white matter on either …   Medical dictionary

• Fissure — A cleft or groove. A fissure can be normal or abnormal. A fissure in the cerebral cortex is a normal feature. It is a deep fold that involves the entire thickness of the brain wall. A fissure in the anus is distinctly abnormal. It is a painful… …   Medical dictionary

• Russellosaurus — Taxobox name = Russellosaurus fossil range = Late Cretaceous regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Squamata familia = Mosasauridae parafamilia = Russellosaurina genus = Russellosaurus genus authority = Polcyn et Bell,… …   Wikipedia

• Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …   Medical dictionary