Structure of trabeculae
Trabeculae are rods or axial structures
composed of fibrous tufts (sclerodermites), which form teeth along the upper
septal margin (SEM)
| Character State | Definition | Illustration |
| simple | Trabeculae composed of fibrous tufts (sclerodermites) aligned in single, unbranching axes | |
| compound | Trabeculae composed of fibrous tufts (sclerodermites) aligned in axes that branch or bifurcate (bundles) | |
| simple and minute | Exceptionally small, simple trabeculae | |
Last updated on June 25, 2003-eek.