Comparative aspects of the density and diameter of Haversian canals in the diaphyseal compact bone of man and dog. 1982

R Georgia, and I Albu, and M Sicoe, and M Georoceanu

By using an original method, the authors injected the system of canals and then studied microscopically their network in the femoral diaphysis of man and dog. In the human bone, the density varies between 1.09 and 2.63 canals per mm2, with an average of 1.83; in dogs the limits of variation are 1.98--2.86 canals per mm2. The canal calibre is of 68.8 microns in man as against 48.5 microns in dogs. Both parameters present a wider variability in the femoral compact bone of man than in dog. By calculation it was found that the canal density in dogs is very significantly increased as compared to man; on the contrary, the diameter presents in dogs very significantly decreased values as compared to those of the diaphyseal compact bone of man.

UI MeSH Term Description Entries
D008297 Male Males
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005269 Femur The longest and largest bone of the skeleton, it is situated between the hip and the knee. Trochanter,Greater Trochanter,Lesser Trochanter,Femurs,Greater Trochanters,Lesser Trochanters,Trochanter, Greater,Trochanter, Lesser,Trochanters,Trochanters, Greater,Trochanters, Lesser
D006253 Haversian System A circular structural unit of bone tissue. It consists of a central hole, the Haversian canal through which blood vessels run, surrounded by concentric rings, called lamellae. Haversian Canal,Osteon,Haversian Canals,Nutrient Canals,Volkmann Canals,Canal, Haversian,Canal, Nutrient,Canal, Volkmann,Canals, Haversian,Canals, Nutrient,Canals, Volkmann,Nutrient Canal,Osteons,Volkmann Canal
D006652 Histological Techniques Methods of preparing tissue for examination and study of the origin, structure, function, or pathology. Histologic Technic,Histologic Technics,Histologic Technique,Histologic Techniques,Histological Technics,Technic, Histologic,Technics, Histologic,Technique, Histologic,Techniques, Histologic,Histological Technic,Histological Technique,Technic, Histological,Technics, Histological,Technique, Histological,Techniques, Histological
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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