> as lemmas

1885 A. H. Buck Ref. Handbk. Med. Sci. I. 419/2 (heading) Laminated epithelial plugs (Keratosis obturans, Wreden, Burnett).

1887 J. Hutchinson (title) On Some Examples of Arsenic Keratosis.

1888 Trans. Path. Soc. London XXXIX. 357 That the keratoses were in their turn due to arsenic no one will, I think, doubt.

1889 A. H. Buck Ref. Handbk. Med. Sci. VII. 109/2 Keratosis was applied to the condition by Kaposi, who believed it to be due to a transformation from the opaline plaque.

1926 A. M. Carr-Saunders Eugenics iii. 54 Keratosis (warts and callosities on the palms and the soles).

1939 Arch. Dermatol. & Syphilol. 39 235 A unique case of tumor-like keratoses developing on the dorsum of the hands after severe sunburn is reported.

1966 G. P. Wright & W. S. Symmers Systemic Pathol. II. xxiv. 1487/2 The type of keratosis that is caused by arsenic has a microscopical picture much less complex than that of senile and solar keratosis.

1972 Daily Colonist (Victoria, Brit. Columbia) 26 Jan. 2/1 These brown spots..can be generally called senile keratoses, although they are not all of the same type.