noun, plural pec·tens, pec·ti·nes [pek-tuh-neez] /ˈpɛk təˌniz/.
- a comblike part or process.
- a pigmented vascular membrane with parallel folds suggesting the teeth of a comb, projecting into the vitreous humor of the eye in birds and reptiles.
Origin of pecten
Examples from the Web for pecten
Found on pecten shells, and abundant off the coast of Maine.
Scallops (Pecten) will be found at the base of the plants, and the common prawns are very numerous, swimming freely about.
A special sense-organ, such as the flabellum of Limulus or the pecten of scorpion, remains and gives rise to the auditory organ.The Origin of Vertebrates|Walter Holbrook Gaskell
The species chiefly used on the Atlantic coast are the Pecten irradians and P. concentricus.Art in Shell of the Ancient Americans|William H. Holmes
Thus a Crepidula on a Pecten shell will be ribbed while the same species on a stone will be perfectly smooth.