Stomas are an opening in a person's abdomen to divert one end of the colon, with a pouch placed over it to collect faeces - a stoma bag - after they have a colostomy operation. According to ...

This is the basis for the opening and closing of a stoma, known as stomatal movement, which controls gas exchange necessary for photosynthesis and limits water loss. How do guard cells change ...

Some people with existing bowel problems might find a permanent ileostomy easier to manage. The opening on your abdominal wall (stoma) will be round or oval. It looks red and moist like the inside of ...

An ostomy bag sticks to your skin and covers the stoma so that whenever waste leaves the opening, the feces or urine gets ...

To avoid this, an individual plant may open its stomata and evaporate water which will lower the leaf temperature. Thus, one may hypothesize that leaves in the sun should have higher stomata density ...

Facilities to help people with stomas have been introduced at some railway stations. TransPennine Express (TPE) announced ...