WebThe epidermal sensory organs of members of the family Talpidae (moles, shrew-moles, and desmans) were investigated and compared to determine the range of sensory specializations and better understand how they evolved. Small domed mechanosensory organs called 'Eimer's organs' were present on the rhin … WebThe Eimer's organ and adjacent structures and their changes after infraorbital axotomy was examined with LM, TEM and SEM in the Japanese shrew mole, Urotrichus talpoides. Approximately 3,000 of Eimer's organ covers the hairless snout tip of this animal. It protrudes to the corium from epidermis, and …
How the Star-Nosed Mole ‘Sees’ With Its Ultra-Sensitive Snout
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Eimer
WebFeb 12, 1996 · The Eimer's organs of the star-nosed mole are domed epidermal papillae approximately 40 to 50 μm in diameter. The center of each papilla contains a column of … Eimer's organs are sensory organs in which the epidermis is modified to form bulbous papillae. First isolated by Theodor Eimer from the European mole in 1871, these organs are present in many moles, and are particularly common in the star-nosed mole, which bears 25,000 of them on its unique tentacled … See more Theodor Eimer described the discrete microscopic organ of touch that densely populates the tip of the nose of the European mole Talpa europaea. The organ is named in his honour. In his original publication … See more • Peter Melzer: 'The Beautiful Eimer's Organ,' 1 May 2010. • K C Catania: 'Magnified cortex in star-nosed moles.' Nature 375, (1995): 453–454. • K C Catania, F E Remple: 'Tactile foveation in the star-nosed mole.' Brain Behav Evol 63 (2004): 1–12. See more The organ consists of a minute skin papilla with 0.1–0.2 mm diameter. At the papilla's core, a geometric constellation of nerve fibres with free endings is embedded symmetrically in a … See more Today it is still not understood precisely how these receptors convert touch into the electrical signals that the nerve fibres transmit to the … See more WebMay 1, 2024 · The surface of each of the 22 appendages that ring the nostrils is composed of an aggregation of microscopic protuberances, or papillae, called Eimer's organs. Each Eimer's organ, in turn, is made ... farmington pd maine