truncus fascicularis atrioventricularis
1truncus — SYN: trunk. [L. stem, trunk] t. arteriosus the common arterial trunk opening out of both ventricles in early fetal life, later destined to be divided into aorta and pulmonary artery by development …
2bundle — A structure composed of a group of fibers, muscular or nervous; a fasciculus. SYN: fasciculus (3) [TA]. aberrant bundles a group, or groups, of fibers from the corticobulbar or corticonuclear tract, directed to each of the motor …
