Orientation

In biology: (a) The determination of the east point, and hence of the other points; the direction of a locality. The localization of oneself; the ascription ol 0 jects to the place in space where they actually either with respect to each other (objective orient a) or with reference to the observer. - of monocular squinting paralysis, etc. (b) The The arrangement of instinct of animals. homing in the imbedding-mixrure before sectioning. trifacial, or-if-a' -shal. Pertaining to the mouth and face. O. Angle, in craniometry, the angle formed by the junction of the plane pa ing through the masticating surface of the superior maxilla with the facial line. Drifice (or'-if-is). A mouth or opening. O., Abdominal, the internal abdominal ring. O., Anal, the anus. O., O.,' Esophageal, Cardiac. The same as CWw. the perforation in the diaphragm for the esophagus. O., Pyloric. The same as Pylorus. O., Tympanic, the oval opening of the atrium into which the tympanic membrane is inserted. Jrificial yor-ifish'-al. Pertaining to an orifice of the body. O. Surgery, the surgery of the orifices of the body. rincium. Orifice. O. epiploicum. a synonym of Foramen of llinslcnu. O. inf-indibuli, a synonym of Hdicolrema. riform (pr'-iform). Having the shape of a mouth. Jriganum. Wild marjoram. The leaves and stems of O. vulgare, with properties due mainly to a volatile oil. It is a tonic, stimulant, and carminative, and formerly was popularly used as an emmenagogue. Dose in infusion. The oil is esteemed as an ingredient in liniments, especially in veterinary practice. Most of the commercial oil of origanum is in reality oil of thyme. The oil is also used in histology as a clearing -fluid for stained specimens.