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 ...

An international research team led by researchers at VIB-UGent has unraveled how the opening and closing of stomata—tiny pores on leaves—is regulated in response to high temperatures and drought.

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 ...

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 ...

their numbers, density and distribution on upper and lower surfaces numbers that are open and closed at any ... change Below are two methods with which stomata can be counted.

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