its not a cell
It all depends on the structure. In cell biology it can be a pore or a stomata.
Epidermal cells surround the stomata.
The gaurd cell in the stomata contain chloroplsts and uneven cell wall to create a pore on being turgid.
The structure of an onion epidermal cell consists of a cell wall, cell membrane, cytoplasm, and a large central vacuole. The function of an onion epidermal cell is to provide protection for the plant, regulate water and nutrient uptake, and help with gas exchange through stomata.
Stomata for plural, and stoma for singular... Stoma/stomata is a guard cell and it also serves as an opening. source: Biology class... ^^,
stomata
Guard cells, which are specialized cells that surround the stomata, are responsible for adjusting the size of the stomatal pore. When the guard cells take up or release water, they change shape and control the opening and closing of the stomata.
Usually, the stomata is the hole in the middle of a guard/s cell, underneath a leaf of a plant.
Stomata
If the stomata were smaller then CO2 would diffuse into the cell less rapidly.
stomata
No, stomata cells are not animal cells. Stomata cells are specialized plant cells responsible for gas exchange, whereas animal cells are the building blocks of animal tissues and perform various functions in animal organisms.