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The Dobermann [a] is a German breed of medium-large working dog of pinscher type. It was originally bred in Thuringia in about 1890 by Louis Dobermann, a tax collector. [2] It has a long muzzle and – ideally – an even and graceful gait.
The difference in body size between a Cane Corso (Italian mastiff) and a Yorkshire Terrier is over 30-fold; both are members of the same species. Dogs are highly variable in height and weight. The smallest known adult dog was a Yorkshire Terrier that stood only 6.3 cm (2.5 in) at the shoulder, 9.5 cm (3.7 in) in length along the head and body ...
Humans have the proportionately smallest male canine teeth among all anthropoids and exhibit relatively little sexual dimorphism in canine tooth size. It has been proposed that the receding canine teeth in human males was likely to be a result of sexual selection for less aggressive partners by female humans. [ 8 ]
Dogs are extremely variable in size, ranging from one of the largest breeds, the Great Dane, at 50 to 79 kg (110 to 174 lb) and 71 to 81 cm (28 to 32 in), to one of the smallest, the Chihuahua, at 0.5 to 3 kg (1.1 to 6.6 lb) and 13 to 20 cm (5.1 to 7.9 in).
The Miniature Pinscher, also known as the Zwergpinscher and Mini Pin, is a small breed of dog of the pinscher type originating in Germany.While the breed's visual similarities to the Toy Manchester Terrier, which somewhat resembles the Pinscher breeds, remain a matter of controversy, genetic research (published in 2017) has shown that the two breeds have shared, unique ancestry. [1]
Sylvia, a matchbox-size Yorkshire Terrier owned by Arthur Marples of Blackburn, England, was the smallest dog in recorded history. The dog died in 1945 when she was almost two years old, at which point she stood 6 centimetres (2.4 in) tall at the shoulder, measured 9 centimetres (3.5 in) from nose tip to tail, and weighed 0.11 kilograms (3.9 oz).
Moyer's mixed dentition analysis was created in 1971 by Robert Moyers.This an analysis that is used in dentistry to predict the size of the permanent premolars and canines by measuring the width of the permanent incisors.
Odontometrics is the measurement and study of tooth size. [1] [2] It is used in biological anthropology and bioarchaeology to study human phenotypic variation.The rationale for use is similar to that of the study of dentition, the structure and arrangement of teeth.