Aaliyah Cassim - Feline Brachycephaly

Nombre y apellidos: Aaliyah Cassim

País: South Africa

Título de la obra: Feline Brachycephaly

Especie o elemento: Domestic Cats (domestic shorthair vs persian)

Categoría: Ilustración científica

Técnicas utilizadas: Ballpoint pen, coloured pencil and fineliner

Inteligencia artificial: No.

Tamaño: 38 cm × 29,8 cm

Año de creación: 2025

Descripción: Depicted are differences between mesocephalic (left) and brachycephalic (right) cats. Brachycephaly describes a shortened skull compared to typical, mesocephalic skulls. Depicted is a more severe case, seen by the nose position above the lower eyelid and severe skull deformity. Humans have bred severe brachycephaly into cats such as persians purely for aesthetics, leading to ethical considerations and stricter breeding laws in some countries. 

Features depicted and their implications for feline health:

– Misaligned, crowded teeth hinders chewing and increases plaque build up and gingivitis risks (teeth may even stick out of the mouth)
– Possible cognitive difficultiesChronic watery eyes due to abnormal nasolacrimal duct path, causing poor drainage (also stains fur near eyes and irritates skin)
– Narrow nostrils, rendering breathing difficult
-Corneal sequestra (dead corneal cells scabs) and other eye issues such as irritation due to shallow orbits that increase eye exposure
-Dense, difficult to manage fur that may obstruct digestion due to excessive amounts swallowed

References:

Degner D. Brachycephalic airway syndrom. Animal Surgical Center of Michigan. https://www.animalsurgicalcenter.com/brachycephalic-airway-syndrome (special mention requested by author for illustrations featured in the article, which served as reference)

Freeman, K. (2022). A perspective on brachycephalic surgery. Vetinary Practice News. https://www.veterinarypracticenews.com/a-perspective-on-brachycephalic-surgery/

Hamilton W.P. and Hudson, L.C. (2010). Atlas of feline anatomy for vetinarians. Teton New Media.

Hartwell, S. (2010). Ethics of breeding for deformity: extreme brachycephaly. Messybeast. http://messybeast.com/brachycephaly.htm

Hill's Pet Nutrition, Inc. (2004). Hills atlas of vetinary clinical anatomy. Veterinary Medicine Publishing Company, Inc.

Lesch R, Kitchener AC, Hantke G, Kotrschal K, Fitch WT. (2022). Cranial volume and palate length of cats, Felis spp., under domestication, hybridization and in wild populations. R. Soc. Open Sci. 9: 210477. https://doi.org/10.1098/rsos.210477

Lewis, M.J., Olby, N.J., Early, P.J., Mariani, C.L., Muñana, K.R., Seiler, G.S., & Griffith, E.H. (2016). Clinical and Diagnostic Imaging Features of Brain Herniation in Dogs and Cats. Journal of Veterinary Internal Medicine, 30, 1672 - 1680.

Schmidt, M.J., Farke, D., Staszyk, C. et al. Closure times of neurocranial sutures and synchondroses in Persian compared to Domestic Shorthair cats. Sci Rep 12, 573 (2022). https://doi.org/10.1038/s41598-022-04783-1

Schlueter C, Budras KD, Ludewig E, et al. Brachycephalic Feline Noses: CT and Anatomical Study of the Relationship between Head Conformation and the Nasolacrimal Drainage System. Journal of Feline Medicine and Surgery. 2009;11(11):891-900. doi:10.1016/j.jfms.2009.09.010

Sieslack J, Farke D, Failing K, Kramer M, Schmidt MJ (2021). Correlation of brachycephaly grade with level of exophthalmos, reduced airway passages and degree of dental malalignment’ in Persian cats. PLoS ONE 16(7): e0254420. https://doi.org/10.1371/journal.pone.0254420

Zilli J, Kressin M, Scha¨nzer A, Kampschulte M, Schmidt MJ (2021). Partial cortico-hippocampectomy in cats, as therapy for refractory temporal epilepsy: A descriptive cadaveric study. PLoS ONE 16(1): e0244892. https://doi.org/10.1371/journal.pone.0244892

Further image references from the following:


Skulls Unlimited - Real Domestic Cat Skull 

Odd Articulations - Brachycephalic Persian Cat Skull Replica 





Videos:

The Amateur Biologist - Cat Skull Anatomy 

The Amateur Biologist - Cat Brain Dissection

The Animal Eye Guy - Everything You Need to Know About Corneal Sequestra in Cats

Revival Animal Health - Common Cat Dental Problems 
https://www.revivalanimal.com/ (website included as requested by channel)