estoma

Etymology
.

Noun

 * 1)  stoma tiny pore in the epidermis of a leaf
 * 2)  stoma surgically constructed opening

Etymology
.

Noun

 * 1)  stoma tiny pore in the epidermis of a leaf
 * 2)  stoma surgically constructed opening

Etymology
.

Noun

 * 1)  stoma
 * 2)  stoma