IMPRESSIO

(Lat.), n. f. I2m-pre2s'si2-o. Gen., -on'ia. See IMPRESSION. I. angular is. A depre ion in the surface of the occipital lobe of the brain, corresponding to the projection of the petrous portion of the temporal bone into the cranial cavity. [L, 332.] I. cardiac a, I. cardis. The shallow depre ion on the upper surface of the left lobe of the liver, just below where the apex of the heart abuts against the diaphragm. [L, 332.] I. carotica. The anterior portion of the carotid groove in the sphenoid bone. [L, 31 (a. 29).] I. col i, I. colic a. A depre ion in the lower surface of the right lobe of the liver, receiving the hepatic flexure of the colon. [L, 31.j I. del to idea, I. del to ides. See Deltoid IMPRESSION of the humerus. I. digastric a. See Digastric FOSSA. I'nes dig'itatae. Small, roundish depre ions on the inner surface of the cranial bones. [L, 332.] I. duodeiialis. A slight depre ion in the lower surface of the right lobe of the liver, in relation below with the descending portion of the duodenum. [L.] I. gastric a. 1. The concavity in the lower surface of the left lobe of the liver which receives the stomach. 2. The depre ion in the anterior surface of the left kidney corresponding to the fundus of the stomach. [L, 142, 332.] I. hepatica. The depre ion in the anterior surface of the right kidney where it is in relation with the right lobe of the liver. [L, 332.] I. jugular is. A shallow depre ion in the lower surface of the cerebellum receiving the jugular tubercle of the occipital bone. [L. 332.] I'nes later a les (plialangium). Small foveae surmounted by tubercles, on either side of the distal ends of the metacarpal bones, receiving the attachments of the lateral ligaments of the metacarpo-phalangeal articulations. [A, 478 (a, 17).] I. lateral is (o is metacarpi). The lateral surface of the head of a metacarpal bone. [L, 31 (o, 29).] I'nes metacarpi later a les. See /. lateral is o is metacarpi. I'nes musculares. The flattened surfaces on the greater tuberosity of the humerus, to which are attached, respectively, the supra spin at us U2, blue; U3, lull; U, full; U6, urn; U, like u (German). [s. 441]