Wormian bones are formations associated with insufficient growth at suture closure and are regarded as epigenetic and hypostatic traits. There exists racial variation in its incidence. AIM: To find the incidence of wormian bone and compare with other study.

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Introduction: The fissures in lung enhance uniform expansion. These fissures may be complete, incomplete or absent. A detailed knowledge of variation of classical and accessory fissures is neccessary for cardiothoracic surgeons and radiologist. Aims of study: There were few studies done on gross anatomical specimens so the cadaveric study was done to know every morphological details and variation in fissures, lobes & hilar structures of Right lung. Material and Methods: Formalin fixed adult cadaveric lungs of right side (55) were studied in Department of Anatomy Government Medical College Kota. The specimens having any pathological lesion or damage during removal were excluded from the study. Details of morphology of right lung were recorded and variations were noted and photographs taken. The anatomical classification proposed by Craig & Walker was followed to determine completeness of fissures. Results: Classically complete oblique fissure was found in 40% (22) of lung specimens. 58%(32) were incomplete either at its beginning or at its end or both. Accessory fissure was found in 5.45%(3) lungs ,out of which 3.63%(2) were superior fissure and 1.81% (one) inferior accessory fissure. Variations of hilar structures were observed. Conclusion: Results and comparison with previous studies shows wide range of variations in morphological pattern of lungs among different populations. Knowledge of such variation and frequency of occurrence in a regional population might help to clinician and radiologist to exactly diagnose,plan and modify a surgical procedure.

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