Uberon definition : The cranial most segment of the sternum. Located ventrally with a quadrangular shape,
wider superiorly and narrower inferiorly, it articulates with the clavicles and the
first two ribs[MP,WP].;
The cranial most segment of the sternum. Located ventrally with a quadrangular shape,
wider superiorly and narrower inferiorly, it articulates with the clavicles and the
first two ribs[MP,WP].