septal a. [L. septum, partition] Pertaining to a septum.
septal filaments (CNID: Anthozoa) Thread-like processes arranged along the free edges of the septa that contain gland cells and nematocysts.
septalial plates (BRACHIO) Crural plates forming the floor of the septalium and joining with the earlier-formed part of the median septum.
septalium n. [L. septum, partition] (BRACHIO) Troughlike structure of the brachial valve between hinge plates, consisting of septial plates enveloping and supported by the median septum.
septal plate (BRACHIO) When present, one of two plates that fuse forming the duplex median septa in the brachial valve and bearing the outer plate on their ventral surface.
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