cuticle

A study now finds that tiny hairs on that cuticle act as a lubricant.

Tree leaves, we read, possess transparent lens-like cuticles that may function as primitive eyes.

It doesn’t seem logical to me to focus light if photosynthesis is the only goal, because the cuticle could simply let the sun’s rays through.

In several plants, the cuticle is constructed in the shape of a lens, which means that it focuses light, making the cuticle functionally similar to the lens in our eye.

Baluška directed me to research being done on the cuticle or outer layer of leaves.

As the disease subsides, the cuticle comes off (desquamates) in patches.

We hold it morally impossible to attend a picnic and come home pure in heart and undefiled of cuticle.

Flesh: Rich, bright yellow, red immediately beneath the cuticle.

The cuticle is an obstacle to galvanic effects; they are always feebly manifested in parts covered by it.

He, at least, could have dropped an unconventional word, done something to pierce the cuticle.