Tissue differentiation and correlated changes in enzymatic activities during primary antler development in fallow deer (Dama dama)

The Anatomical Record
T SzuwartG Clemen

Abstract

Deer antlers are useful models for studying bone growth and biomineralization in mammals. To achieve a better understanding of the mechanisms underlying the formation of primary cranial appendages in deer, the present study relates the histogenesis of primary antlers to changes in enzymatic (phosphatase) activities in the different tissue zones of this organ. The growing tips of the primary antlers (4.3 to 5 cm in length) were removed from five fallow bucks, aged about 10 months. Part of the material was processed for light microscopy. The other part was cryofixed, and the different histologically defined regions were analyzed for the activities of alkaline phosphatase (ALP) and tartrate-resistant acid phosphatase (TRAP) as well as for the concentrations of inorganic and organic phosphate. Histologically, the primary antler could in distoproximal direction be divided into eight different zones (dermis; perichondrium; zones of cartilage formation, hypertrophy, mineralization, and degeneration; primary spongiosa; secondary spongiosa). The histological results demonstrate that the elongation of the primary antler proceeded through a modified form of endochondral ossification, resembling that seen during formation of pedicles and s...Continue Reading

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Citations

May 13, 1999·The Anatomical Record·H J Rolf, A Enderle
Dec 1, 1999·Comparative Biochemistry and Physiology. Part C, Pharmacology, Toxicology & Endocrinology·U Kierdorf, L Bartos
Dec 23, 1998·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·T SzuwartG Clemen
Aug 2, 2005·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Lei ChenRongqing Zhang

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