What do they mean by dolichocephalic and brachycephalic?
Humans are characterized by having either a dolichocephalic (long-headed), mesaticephalic (moderate-headed), or brachycephalic (short-headed) cephalic index or cranial index.
What is a Mesocephalic face?
When examining a case for orthodontic treatment, a trained orthodontist will be checking if the patient has a broad face (brachycephalic), an average face (mesocephalic) or a long face (dolichocephalic).
What is a Mesocephalic skull?
Adjective. mesocephalic (not comparable) (of a person or animal) Having a head that is not particularly short or long from front to back, relative to its width from left to right.
What does a dolichocephalic skull look like?
Dolichocephaly (derived from the Ancient Greek δολιχός ‘long’ and κεφαλή ‘head’) is a condition where the head is longer than would be expected, relative to its width. In humans, scaphocephaly is a form of dolichocephaly. Dolichocephalic dogs (such as German Shepherds) have elongated noses.
What race has dolichocephalic skull?
top; such skulls are called dolichocephalic and are typical of Australian aborigines and native southern Africans. An index of 75 to 80 means that the skull is nearly oval; such skulls are called mesaticephalic and are typical of Europeans and the Chinese.
What is a dolichocephalic dog?
Dolichocephalic breeds are those with extremely long skulls. Their noses are long and slender. Dolichocephalic dog breeds include Greyhounds, Collies, Setters, Dachshunds, Italian Greyhounds and Great Danes. • Mesocephalic dog breeds possess skulls of intermediate length and width.
What does the term brachycephalic mean?
Brachycephalic means “short-headed.” Common examples of brachycephalic dog breeds include the English bulldog, French bulldog, Pug, Pekingese, and Boston terrier.
What breeds are Mesocephalic?
Mesocephalic dog breeds possess skulls of intermediate length and width. Examples of mesocephalic breeds are Beagles, Golden Retrievers, Labrador Retrievers, German Shepherds and Pomeranians.
What dog breeds are brachycephalic?
Some examples of brachycephalic breeds include:
- French Bulldog.
- Boxer.
- Pug.
- Boston Terrier.
- English Bulldog.
- Pekingese.
- Lhasa Apso.
- Shih Tzu.
Is dolichocephalic head normal?
Dolichocephaly (derived from the Ancient Greek δολιχός ‘long’ and κεφαλή ‘head’) is a condition where the head is longer than would be expected, relative to its width. In humans, scaphocephaly is a form of dolichocephaly….
| Dolichocephaly | |
|---|---|
| Brachycephaly and dolichocephaly | |
| Specialty | Medical genetics |
What is a dolichocephalic head shape?
According to these studies, individuals with a dolichocephalic head shape have a brain that is long in the anteroposterior direction and narrow in the transverse direction, which results in a longer, flatter skull base, i.e., the angle formed by the floor of the skull is wider.
What is the difference between mesocephalic and mesaticephalic skulls?
Mesaticephalic skulls are not markedly brachycephalic or dolichocephalic. When dealing with animals, especially dogs, the more appropriate and commonly used term is not “mesocephalic”, but rather “mesaticephalic”, which is a ratio of head to nasal cavity.
In dolichocephalic dogs, the skull bones particularly jawbones have elongated proportion and space can be seen between teeth. Wolves are also dolichocephalic but these dogs have a slightly elongated version of a wolf skull. The best example of dolichocephalic dog is Sight Hounds.
What is a brachycephalic skull?
A brachycephalic skull is relatively broad and short (typically with the breadth at least 80% of the length). Dog breeds such as the pug are sometimes classified as “Extreme Brachycephalic”.