Stomanoun
(botany) One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass.
Stomanoun
A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy.
Stomanoun
(zoology) A mouthlike opening, such as the oral cavity of a nematode.
Stomanoun
An artificial anus.
Stomanoun
One of the minute apertures between the cells in many serous membranes.
Stomanoun
The minute breathing pores of leaves or other organs opening into the intercellular spaces, and usually bordered by two contractile cells.
Stomanoun
A stigma. See Stigma, n., 6 (a) & (b).
Stomanoun
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Stomanoun
a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
Stomanoun
any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
Stomanoun
a small opening like a mouth in some lower animals.
Stomanoun
an artificial opening made into a hollow organ, especially one on the surface of the body leading to the gut or trachea.
Stoma
In botany, a stoma (from Greek στόμα, , plural ), also called a stomate (plural ) is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.
Ostomynoun
(surgery) A surgical procedure to provide an exit point for the waste of an organism.
Ostomynoun
(medicine) An exit point created by such surgical procedure.
Ostomynoun
surgical procedure that creates an artificial opening for the elimination of bodily wastes
Ostomynoun
an artificial opening in an organ of the body, created during an operation such as a colostomy, ileostomy, or gastrostomy; a stoma.