Osteochondrodysplasia, Complex Lethal, Symoens-Barnes-Gistelinck Type, also known as complex lethal osteochondrodysplasia, is related to osteochondrodysplasia. An important gene associated with Osteochondrodysplasia, Complex Lethal, Symoens-Barnes-Gistelinck Type is TAPT1 (Transmembrane Anterior Posterior Transformation 1). Affiliated tissues include bone and brain, and related phenotypes are short neck and osteopenia