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Trab

A trab is structural element within a sponge formed by the fusion of dendroclones. A trab is structural element within a sponge formed by the fusion of dendroclones. In the Anthaspidellidae, when spicules (usually dendroclones) connect at their tips to form a ladder-like structure, trabs may be formed. Oxeas are sometimes employed in the central rod. Trabs have a feather-like structure, or may form rods. Trabs are usually regularly spaced, usually at sub-millimetric intervals. Further dendroclones may interconnect adjacent trabs, forming ladder-like structures. The presence and alignment of trabs is often related to the internal structure of canals within sponges.

[ "Graves' disease", "Thyrotropin receptor Antibody", "TSH receptor antibody", "Thyroid Stimulating Hormone Receptor Antibody", "Myrtus nivellei" ]
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