part of start stage end stage 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. zebrafish_anatomy TAO:0001507 trabeculae cranii ZFA:0001507 neurocranium early palate unknown pharyngula:high-pec