A corneous piece which covers the instruments of suction above, representing the Labrum in a perfect mouth.
The operculum is corneous, with the nucleus near the outer edge.
Tubus: a term used to designate the corneous base of a ligula: the sheath of the tongue.
(Hymenoptera L.) Maxilla corneous, compressed, often elongate.
Episternites: the upper pair of corneous appendages forming the ovipositor in grasshoppers.
The tentacles are long and slender, with short peduncles for the eyes; the operculum is corneous, with a central nucleus.
Horn, black; the upper part of the first segment with a corneous plate, similar to that of the Deilephila larv.
A corneous case, with two grooves, in which the Terebella or Spicula play.
The columella is somewhat twisted; the operculum is corneous, with a lateral nucleus.
A corneous spot between the costal and postcostal nervures, distinct from the Stigma observable in the Libellulina.
corneous cor·ne·ous (kôr'nē-əs)
Made of horn or a hornlike substance; horny.