A cut made in a tissue, e.g., with a scalpel, during surgical procedures. Microincisions are particularly small incisions performed with dedicated instruments.
Intoxication refers to the stimulation, excitement or stupefaction of the organism produced by noxious chemical, physical or biological substances (toxins).
Irrigation (from the Latin "irrigare" - to water) refers, e.g., to washing the intestines with an enema. This technique was originally used in stoma care, but has seen increasing use in fecal incontinence.