propatagial

Example:The anterior part of the pterosaur's wing included the propatagium, which extended from the shoulder to the thumb.

Definition:Relating to or situated toward the front or the head; forward.

Example:The proximal sections of the wing, including the propatagium, were crucial for enabling flight in bats.

Definition:Close to or nearer to the point of attachment to the body; positioned toward the beginning or base.