Interstice -tium: space between two lines, whether striate or punctate.
Interstitial line: the elevated ridge between two striae or series of punctures.
Interval: the space or time between two structures, sculptures or periods of development.
Interventricular: the inner valve between the chambers of the heart.
Interventricular valvule: of heart, lies in front of seluilunar valve.
Intervenular: in thespace between two veins.
Intestinal caecum: that point of the large intestine in front of the junction with the small intestine.
Intestine: that part of the alimentary canal through which the food passes from the stomach, in which absorption is completed and the excretions are formed for expulsion.
Intima: the lining membrane of the trachea: see endotrachea.
Intorted: turned or twisted inwardly.