HIATUS

(Lat.), n. m. Hi(hi2)-at(a3t)'u3s(u4s). Gen., -at'us. From hiare, to gap. Gr., \6.irii.a., x^o-/"}, \atrnos. Fr., h. Ger., Kluft, Spaltung. It., hiato. Sp., h. An opening, aperture, cleft, gap. [A, 312 (a, 21); B, 77 (a, 24).] Cf. COLOBOMA. H. ad in fun dib ulu in. Of Vieu ens, see ITER ad infundibulum.K. aortic us (diaphragm at is). See Aortic FORAMEN. H. canal is facial is (seu falloppiae, seu Falloppii). See H. Falloppii.~W. canal is sacral is. The opening at the lower end of the sacral canal on the posterior surface of the sacrum. [L, 142, 332.] H. diaphragm at is aortic us. See Aortic FORAMEN. H. Falloppii. A small groove on the upper surface of the petrous portion of the temporal bone into which the aqueduct of Falloppius opens. [L, 142, 332.] H. femoral is. The crural ring. [L.] H. intero eus (anti brach i i). An open space above the superior border of the intero eous ligament of the forearm, below the tubercle of the radius, through which the posterior intero eous ve els pa . [B, 3.] H. Magendii. See FORAMEN of Magendie.H. maxillar is. The opening in the inner surface of the nasal portion of the superior maxilla which establishes connection between the nose and the antrum of High more. [L, 31, 115, 332.] H. obturator i us. See Obturator CANAL. H. occipito-petrosus. Fr., occipito-petreux. See FORAMEN lacerum poster i us. H. oesophageus. See FORAMEN cesophageum.'H.. of Falloppius. See H. Falloppii. H. of Scarpa, H. of Wiiislow. See FORAMEN of Winslow. H. petro-sous-occipital (Fr.). The inferior petrosal sinus. [I, 22 (K).] H. pro vena basilica. See H. semilunar is fasciae, brachial is. H. pro vena cephalic a. The opening in the fascia covering the deltoid and pectoral is major muscles which transmits the cephalic vein. [L, 41.] C. pro vena median a. An aperture in the fascia of the foramen which transmits the median vein. [L, 332.] H. sacral is. See H. canal is sacral is. H. sacro-coccygeus. The opening between the sacrum and coccyx posteriorly through which the fifth posterior sacral nerve pa es. [L, 349 (a, 29).] H. semilunar is. See H. semilunar is fascice brachii and H. maxillar is. H. semilunar is fasciae brachial is (seu brachii). An opening in the brachial fascia which transmits the basilic vein and the middle cutaneous nerve. [L, 31.] H. spheno-petrosus. Fr., h. spheno-petreux. See FORAMEN lacerum medius.H. spinal is con gen it us. See SPINA bifid a. H. subarcuatus. A depre ion in the petrous portion of the temporal bone, above and external to the internal auditory meatus, which lodges the flocculus. [L, 332.] H. supra maxillar is. See H. maxillar is. H. Wins low i i. See FORAMEN of Winslow. [s. 337]