Unguis
Unguis  est lamina ceratina supra partem extremam digitorum manuum ac pedum hominum atque plurimorum aliorum primatum, quae extrema digita tegit et auxilium ad res prehendendas dat.

Bibliographia
Yaemsiri, S., N. Hou, M. M. Slining, et K. He. 2010. "Growth rate of human fingernails and toenails in healthy American young adults." Journal of the European Academy of Dermatology and Venereology 24 (4): 420–23. doi:10.1111/j.1468-3083.2009.03426.x. ISSN 1468-3083. PMID 19744178. S2CID 856692.
Zaun, Hansotto, et Dorothee Dill-Müller. 2004. Krankhafte Veränderungen des Nagels. Spittae. ISBN 3-934211-69-0.

Nexus externi 

Anatomia