Data from carcasses of 210 cattle (119 bulls and 91 steers) from 4 breed types, serially slaughtered from approximately 200-800 kg kg liveweight were used to test the hypothesis of similar gender dimorphism among breeds in relation to carcass bone growth and distribution. Relative to total bone weight, breed types tended to have similar growth rates for all bones other than the cervical vertebr...

Analyses of non-metric characters of the skull and cervical vertebrae were performed among samples of dolphins of the genus Sotalia from the north, northeast and south Brazilian coast (S. guianensis) and also samples from the Amazon River Basin (S. fluviatilis) as part of an osteological descriptive study. The results demonstrated that there was a higher percentage of occurrence of fenestrae in...

Bifid or bifurcated ribs are a rare anatomical anomaly that accounts for approximately 28% of known rib abnormalities. Bifurcation always occurs at the sternal end of the rib and its two extremities are joined to a bifid costal cartilage. The presence of bifid rib is frequently accompanied by other anomalies, although this does not necessarily imply that it cannot occur as an isolated anomaly. ...

Cystic angiomatosis is a rare, benign, multifocal disorder of bone and viscera. Angiomatous deposits result in bone lysis and organ dysfunction. Bony cystic lesions occur in the axial and proximal appendicular skeleton. Lesions may cause bone pain or pathological fracture. Diagnosis is difficult, of exclusion and demands a biopsy. The prognosis varies upon whether the lesions are solely skeleta...

Rib injuries are common in collegiate rowing. The purpose of this case report is to provide insight into examination, evaluation, and treatment of persistent costochondritis in an elite athlete as well as propose an explanation for chronic dysfunction. The case involved a 21 year old female collegiate rower with multiple episodes of costochondritis over a 1-year period of time. Symptoms were lo...

De Troyer A. Respiratory effect of the lower rib displacement produced by the diaphragm. J Appl Physiol 112: 529–534, 2012. First published December 1, 2011; doi:10.1152/japplphysiol.01067.2011.— The diaphragm acting alone causes a cranial displacement of the lower ribs and a caudal displacement of the upper ribs. The respiratory effect of the lower rib displacement, however, is uncertain. In t...

Congenital abnormalities of the ribs, including slipping or clicking rib, are well recognised but rarely give rise to symptoms. Slipping rib has previously been described as a unilateral condition. We report an unusual case of symptomatic bilateral slipping ribs treated successfully by surgery.

The object of this paper on tumors of the rib is three-fold. First, to point out that many of them are not metastatic, secondly, that primary malignant tumors are not more frequent than benign tumors, and thirdly, to present some exemplary conditions one should consider in the differential diagnosis of rib tumors. The present review covers the contributions on primary rib tumors through 1953 an...