| n. | 1. | (Anat.) One of the minute apertures between the cells in many serous membranes. |
| 2. | (Bot.) The minute breathing pores of leaves or other organs opening into the intercellular spaces, and usually bordered by two contractile cells. | |
| 3. | (Zool.) A stigma. See Stigma, |
| Noun | 1. | stoma - a minute epidermal pore in a leaf or stem through which gases and water vapor can pass |
| 2. | stoma - a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ) |
An opening in the abdomen that is created by an operation (ostomy). Must be covered at all times by a bag that collects stool.
aperture, hydathode, lenticel, pore, stomate, water pore, water stoma