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Gross and Clinical Anatomy of the Skull of Adult Chinkara (Gazella bennettii)

Gross and Clinical Anatomy of the Skull of Adult Chinkara (Gazella bennettii)

Salahud Din1,*, Saima Masood1, Hafsa Zaneb1, Habib ur Rehman2, Saima Ashraf1, Imad Khan3, Muqader Shah4 and Syed Abdul Hadi1

1Department of Anatomy and Histology, University of Veterinary and Animal Sciences, Lahore
2Department of Physiology, University of Veterinary and Animal Sciences, Lahore
3College of Veterinary Sciences and Animal Husbandry, Abdul Wali Khan University, Mardan
4Department of Animal Health, Faculty of Animal Husbandry and Veterinary Sciences, The University of Agriculture, Peshawar

*      Corresponding author:


The objective of this study was (1) to study gross morphological, osteometric and clinical important landmarks in the skull of adult Chinkara to obtain baseline data and (2) to study sexual dimorphism in male and female adult Chinkara through osteometry. For this purpose, after performing postmortem examination, the carcass of adult Chinkara of known sex and age was buried in the locality of the Manglot Wildlife Park and Ungulate Breeding Centre, Nizampur, Pakistan, after a specific period of time the bones were unearthed. Gross morpohological features and various osteometric parameters of the skull were studied in the University of Veterinary and Animal Sciencies, Lahore, Pakistan. The shape of the Chinkara skull was elongated and had thirty two bones. The skull was comprised of the cranial and the facial part. The facial region of the skull was formed by maxilla, incisive, palatine, vomar, pterygoid, frontal, parietal, nasal, incisive, turbinates, mandible and hyoid apparatus. The bony region of the cranium of Chinkara was comprised of occipital, ethmoid, sphenoid, interparietal, parietal, temporal and frontal bone. The foramina identified in the facial region of the skull of Chinkara were, infraorbital, supraorbital foramen, lacrimal, sphenopalatine, maxillary and caudal palatine foramina. The foramina of the cranium of the Chinkara skull were the internal acoustic meatus, external acoustic meatus, hypoglossal canal, transverse canal, sphenorbital fissure, carotid canal, foramen magnum, stylomastoid foramen, foramen rotundum, foramen ovale and jugular foramen, and the rostral and the caudal foramina that formed the pterygoid canal. The measured craniometric parameters did not show statistically significant differences (p>0.05) between male and female adult Chinkara except palatine bone, OI, DO, IOCDE, OCT, ICW, IPCW, and PCPL were significantly higher (p>0.05) in male than female Chinkara and mean values of the mandibular parameters except b and h were significantly (p< 0.5) higher in male than female Chinkara. Sexual dimorphism exist in some of the orbital and foramen magnum parameters, while high levels of sexual dimorphism identified in mandible.In conclusion, morphocraniometric studies of Chinkara skull made it possible to identify species specific skull and use clinical measurements during practical application.

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Pakistan Journal of Zoology


Vol. 54, Iss. 4, Pages 1501-2001


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