a. [f. EPIDERM + -AL.]. Of or pertaining to the epidermis, whether in animals or plants.

1

1816.  Kirby & Sp., Entomol. (1843), II. 385. Its usual plan is to insinuate itself between the epidermal membranes of the leaf.

2

1835.  Lindley, Introd. Bot. (1848), I. 146. The last cytoblasts which the epidermal tissue forms.

3

1854.  Owen, in Circ. Sc. (c. 1865), II. 69/2. The thick epidermal scutes called ‘tortoise-shell.’

4

1873.  Mivart, Elem. Anat., vii. 238. Snakes cast off the entire epidermal investment … at once.

5