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The cephalic index of a vertebrate is the ratio between the width (side to side) and length (front to back) of its cranium (skull). This ratio does not concern the muzzle or face, and thus is distinct from the craniofacial ratio, which compares the size of the cranium to the length of the muzzle.
Dolichocephalic dogs (such as the Lurcher or German Shepherd) have elongated noses. This makes them vulnerable to fungal diseases of the nose such as aspergillosis. [1] In humans the anterior–posterior diameter (length) of dolichocephaly head is more than the transverse diameter (width). [citation needed]
Cephalic index viewed from above the head. The cephalic index or cranial index is a number obtained by taking the maximum width (biparietal diameter or BPD, side to side) of the head of an organism, multiplying it by 100 and then dividing it by their maximum length (occipitofrontal diameter or OFD, front to back).
Brachycephaly (derived from the Ancient Greek βραχύς, 'short' and κεφαλή, 'head') is the shape of a skull shorter than average in its species.It is perceived as a cosmetically desirable trait in some domesticated dog and cat breeds, notably the pug and Persian, and can be normal or abnormal in other animal species.
The index is also used to categorize animals, especially dogs and cats. The width is usually measured just below the parietal eminence, and the length from the glabella to the occipital point. Humans may be: Dolichocephalic — long-headed; Mesaticephalic — medium-headed; Brachycephalic — short-headed [14]
Domestic cats have been diversified by humans into breeds and domestic and wild hybrids.Many such breeds recognized by various cat registries.Additionally, there are new and experimental breeds, landraces being established as standardized breeds, distinct domestic populations not being actively developed and lapsed (extinct) breeds.
Blue is the range of Felinae (excluding the domestic cat), green is the range of Pantherinae. Felidae is a family of mammals in the order Carnivora, colloquially referred to as cats. A member of this family is called a felid. [1] [2] The term "cat" refers both to felids in general and specifically to domestic cats.
The dolichocephalic skull is narrow at base yet long in length, so the Alaunt could be referred to as a modified dolichocephalic breed, as mesocephalic is a balance of base to length. Moreover, the Alaunt or mastiff must be separated from the Molossoides in head study, as this term does not separate the Mastiff from the mountain dogs or even ...