Anteriorly means to the anterior; 'In front of' or 'in the front part of'.
Rarely it may also be used to mean 'happening before'.
Located towards the head, in the lower animals.
Located towards the front of the body, in higher animals.
Located on or near the front of an organ
Located on the ventral surface of the body in humans.
In front of and facing away from the axis or stem.