See Also: ptilinum(dictionary)

ptilinum (iou)



ptilinum noun. . M19.
[mod. Latin, from French ptiline, perh. dim. of Greek ptilon downy feather, plume on a helmet.]
Entomology. An inflatable structure on the head of cyclorrhaphous dipterans which is used to rupture the puparium and then atrophies, leaving a suture.
ptilinal adjective of or pertaining to a ptilinum E20.