The relation between the adrenal and the skin dates way back in the evolutionary scale, for adrenalin has been isolated directly from pigment deposits in the epidermis of frogs.

In olden days "holy fathers" could wear horse-hair shirts and scarify their epidermis with a finer cruelty than their modern successors, and they could, after all that, make the blithest songs, sing the merriest melodies, and quaff the oldest port with an air of jocund conscientiousness, making one slyly like them, however much inclined to dispute the correctness of their theology.

They lacerate the epidermis in some way or other, as a small hole is observable where they have been seated; and cause extreme itching and considerable inflammation of the part.

For, indeed, he could have diagnosed the case completely himself, as a sore due to compulsory friction of the epidermis against an iron bedstead.

The breathing pores, or stomata, of the leaves, are small openings in the epidermis through which the air can pass into the interior of the plant.

The epithelial ingrowths hang down from the epidermis into the corium like the teeth of a comb (Mettam).

The cells of this layer rest upon a basement membrane separating the epidermis from the corium.