overlaps OBO_REL:part_of (UNDECLARED) neurocranial trabecula chondrocranium cartilage trabecula cranii Paired thin medially aligned bar of cartilage that extends from the anterior end of the chondrocranium to just anterior to the anterior end of the notochord. The posterior ends of the trabeculae cranii are continuous with the parachordal cartilages, and they enclose the hypophyseal fenestra. TAO:0001507 teleost_anatomy neurocranium