WebThe function of Eimer's organ has been the subject of speculation since the 1800s, but responses from the afferents have never been investigated. Our goal was to explore the function of Eimer's organ by recording primary afferent responses to a range of mechanosensory stimuli. WebMar 26, 2007 · Each papilla is an Eimer's organ (after Eimer, 1871) and nearly every species of the talpid mole is endowed with these structures (Catania, 2000). Microelectrode recordings from somatosensory cortex indicate that Eimer's organ is acutely sensitive to mechanosensory stimuli and have small receptive fields (Catania and Kaas, 1995 ; …
Fine structure of Eimer
WebFeb 12, 1996 · The Eimer's organs of the star-nosed mole are domed epidermal papillae approximately 40 to 50 microns in diameter. The center of each papilla contains a … WebEach Eimer’s organ is a complex receptor unit composed of specialized epidermal cells and sensory receptors. A con-spicuous feature of Eimer’s organ is the central column of … holla metall
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WebFeb 12, 1996 · The Eimer's organs of the star-nosed mole are domed epidermal papillae approximately 40 to 50 microns in diameter. The center of each papilla contains a column of stacked circular epidermal cells closely associated with five to ten neural processes that originate from three myelinated fibers in the underlying dermis. 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 WebOne of my first experiences with Eimer’s organ was when I was shown a red confocal fluorescent micrograph of a sheet of DiI labeled Eimer’s organs (Fig. 1). In that picture it … holla makeup