HEELSPUR
Source: 567
Heel″spur′ (?), n. (Zoöl.) A slender bony or cartilaginous process developed from the heel bone of bats. It helps to support the wing membranes. See Illust. of Cheiropter.
Source: 567
Heel″spur′ (?), n. (Zoöl.) A slender bony or cartilaginous process developed from the heel bone of bats. It helps to support the wing membranes. See Illust. of Cheiropter.