Morphometric Studies on the Skull of the Australian Domestic Cat (F. catus) and its Clinical Implications for Regional Anesthesia

Saber, Ashraf Sobhy Mohamad; Cacec, T.; Gummow, Bruce; Johns, Kellie

doi:10.21608/jva.2016.37445

Cited by 12 publications

(24 citation statements)

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“…The subtlety of this general difference is potentially reflective of the inherent morphological variability within the faces of cats in our DSH or ‘mixed breed’ population, given the large diversity in skull and associated facial morphology that exists at a species level 60,61 . As such, the effect within an individual may be much more pronounced, since skull morphology will be consistent intra-individually.…”

Section: Discussionmentioning

confidence: 99%

Geometric morphometrics for the study of facial expressions in non-human animals, using the domestic cat as an exemplar

Finka

Luna

Brondani

et al. 2019

Sci Rep

102

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Facial expression is a common channel for the communication of emotion. However, in the case of non-human animals, the analytical methods used to quantify facial expressions can be subjective, relying heavily on extrapolation from human-based systems. Here, we demonstrate how geometric morphometrics can be applied in order to overcome these problems. We used this approach to identify and quantify changes in facial shape associated with pain in a non-human animal species. Our method accommodates individual variability, species-specific facial anatomy, and postural effects. Facial images were captured at four different time points during ovariohysterectomy of domestic short haired cats (n = 29), with time points corresponding to varying intensities of pain. Images were annotated using landmarks specifically chosen for their relationship with underlying musculature, and relevance to cat-specific facial action units. Landmark data were subjected to normalisation before Principal Components (PCs) were extracted to identify key sources of facial shape variation, relative to pain intensity. A significant relationship between PC scores and a well-validated composite measure of post-operative pain in cats (UNESP-Botucatu MCPS tool) was evident, demonstrating good convergent validity between our geometric face model, and other metrics of pain detection. This study lays the foundation for the automatic, objective detection of emotional expressions in a range of non-human animal species.

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Section: Discussionmentioning

confidence: 99%

Geometric morphometrics for the study of facial expressions in non-human animals, using the domestic cat as an exemplar

Finka

Luna

Brondani

et al. 2019

Sci Rep

102

View full text Add to dashboard Cite

show abstract

“…The mandibular foramen was 0.9 cm from caudal mandibular border and 0.4 cm from ventral border of the mandible. The mean distance between the mandibular foramen and the caudal border of mandible was 1.3 ± 0.4, 0.9 ± 0.2 cm, while distance from the ventral border of mandible was 0.7 ± 0.2, 0.4 ± 0.1 cm in flat-and roundheaded skulls of domestic cat, respectively (Saber et al, 2016). The condyle height index was 10.69 which was within the range of carnivores (0.95-18.2) (Hoshi, 1971).…”

Section: Resultsmentioning

confidence: 90%

“…Monfared, (2013) reported 8.3 ± 1.03 and 3.7 ± 0.59 cm as length and height for the Persian cat's mandible. However, Saber et al, (2016) measured mean mandibular length and height in flat-headed (6 ± 0.58 and 2.97 ± 0.27 cm) and roundheaded (4.43 ± 0.58 and 2.17 ± 0.25 cm) Australian domestic cat. The mandibular foramen was 0.9 cm from caudal mandibular border and 0.4 cm from ventral border of the mandible.…”

Section: Resultsmentioning

confidence: 92%

Gross and Morphometrical Studies on Mandible of Civet Cat (Viverricula indica)

Suri¹,

Sasan²,

Sarma³

2018

Int.J.Curr.Microbiol.App.Sci

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“…There are many papers about the morphometric features of the head of cat and rabbit and the gross anatomical studies were required. (5,6).The cat as carnivorous and the rabbit which is herbivores animal, they show certain anatomical peculiarities specially their skeleton. The cat has large brain case and anterior located orbit and the rabbit skull long, narrow and laterally situated orbit.…”

Section: (Oryctolagus Cuniculus) and Cat (Felis Domestica) Skullmentioning

confidence: 99%

COMPARATIVE THREE DIMENSIONAL COMPUTED TOMOGRAPHY (CT) SCANS AND ANATOMICAL INVESTIGATION OF RABBIT (Oryctolagus cuniculus) AND CAT (Felis domestica) SKULL

Moselhy¹,

Mahdy²

2019

SVR

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This study was conducted to elucidate the comparative anatomical features of the skull of rabbits and cats using CT scans. Adult healthy New Zealand rabbits and Domestic Baladi cats of both sexes, were prepared for X-ray and CT scan of the heads at different positions. The heads were also processed for bone preparation and were photographed at various views. Some measurements were taken to exhibit the main differences between the two animal species. There was a cranial pharyngeal canal in the basisphenoid bone of rabbit, which was absent in cat. The retroarticular process situated caudal to the mandibular fossa in cat and absent in rabbit. The carotid foramen was large and situated only in rabbit ventromedial to the bulla tympanica. The supraorbital process of rabbit extended anteriorly and posteriorly forming rostral and caudal supraorbital fissures. The orbit was located laterally in rabbit rostrally in cat. The facial surface of the maxilla was perforated by several formina in rabbit. A large retroalveolar foramen was found only in the mandible of rabbit. The condyloid process of the mandible was large and present longitudinally in rabbit and transversally in cat. Also, the hyoid bones and the paranasal sinuses were compared at both animals. The hyoid bone located in the mandibular space in rabbit and caudal to this space in cat. The lingual process of the hyoid bone was absent in cat. The middle and great cornuae of the hyoid bone were absent in rabbit. The paranasal sinuses of rabbit were maxillary and ethmoidal sinuses. While in cat, there were frontal, sphenoidal and maxillary sinuses. The combination between the traditional gross morphology of the skulls, X-ray and scan aimed to clarify and confirm all the points of comparison between the two animal species used, which was not achieved by using only one method of them.

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Morphometric Studies on the Skull of the Australian Domestic Cat (F. catus) and its Clinical Implications for Regional Anesthesia

Abstract: Morphometry of Aus tralian Domes tic cat skulls Saber et al.,

Cited by 12 publications

References 0 publications

Geometric morphometrics for the study of facial expressions in non-human animals, using the domestic cat as an exemplar

Geometric morphometrics for the study of facial expressions in non-human animals, using the domestic cat as an exemplar

Gross and Morphometrical Studies on Mandible of Civet Cat (Viverricula indica)

COMPARATIVE THREE DIMENSIONAL COMPUTED TOMOGRAPHY (CT) SCANS AND ANATOMICAL INVESTIGATION OF RABBIT (Oryctolagus cuniculus) AND CAT (Felis domestica) SKULL

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