Morphogenic and Histologic Patterns among the Posterolateral Glands of Microtine Rodents
The posterolateral scent glands of voles and lemmings (Rodentia: Muridae: Microtinae) were recognized early as species characters (Miller, 1896) and were thought to occur in discrete body regions (Quay, 1968). But a pharmacological dose of testosterone induced posterolateral glands on two species not usually possessing them (Jannett, 1975), and posterolateral glands occur among species, as a group, in an essentially continuous zone of glandular responsiveness between flanks and rump (Jannett, 1990). Three populations of Microtus pennsvlvanicus, a species not characteristically possessing posterolateral glands, have recently been found (Tamarin, 1981; Boonstra and Youson, 1982; Jannett, unpubl.). Scent producing characters can be used to combine the evolutionary and population approaches to the study of a chemical communication system (Schluter, 1989).
KeywordsBank Vole Sebaceous Gland Pharmacological Dose Science Museum Testosterone Propionate
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