A Practical Approach, Second Edition=Ronald D. Ho.pdf

TERMINOLOGY OF ANATOMICAL DEFECTS 965Appendix 1-ATermShortSmallSplitSupernumeraryThickenedUnossifiedDescriptive terminology used more than once in the glossary (continued)DefinitionLess than the normal or expectedlengthIncompletely developed structure, orless than normal in sizeDivision of a single structure (usuallyinto two parts) with no interveningstructure between the partsMore than the usual or expectednumberA widening of a skeletal elementrelative to normalAbsence of ossification (asassessed by Alizarin Red uptake)at a site which, in controls of thesame age, is usually at leastpartially ossifiedSynonym orRelated termRudimentaryAplastic, Hypoplastic,Reduced,RudimentaryBifid, Bipartite, CleftAdditional,ExtraNon-preferred TermUnderdevelopedAccessoryBulbous, ClubbedNonossifiedAppendix 1-BCaudal dysplasiaCheilognathopalatoschisisCheilognathoschisisCraniorachischisisEthmocephalyOtocephalyRhinocephalySirenomeliaTetralogy of FallotSyndromes and combining termsSevere reduction of caudal structures, including reduction of or absence ofhindlimbs, tail, and/or sacral area.Cleft lip, jaw, and palate; also called CheilognathouranoschisisCleft lip and jawFailure of the neural tube to close in regions of both the brain and spinal cord.Some degree of cyclopia in which the eyes may be closely set but the nose ishypoplastic (rudimentary).Extreme underdevelopment of the lower jaw, permitting close approximation orunion of the ears on the anterior aspect of the neck.Proboscis-like nose above partially of completely fused eyes.Any of several degrees of side-to-side fusion of lower extremities and concomitantmidline reduction of the pelvis. Soft tissues and long bones, lower paw (feet), andviscera of the pelvis tend to be reduced or absent; anus and external genitaliaare often absent.Defect of the heart which includes all of the following: pulmonary stenosis,interventricular septal defect, dextraposed aorta overriding the ventricular septum,and enlarged right ventricular wall.© 2006 by Taylor & Francis Group, LLC