ampulla of Lorenzini

ampulla of Lorenzini
Etymology: Stefano Lorenzini fl1678 Italian physician Date: 1898 any of the pores on the snouts of marine sharks and rays that contain receptors highly sensitive to weak electric fields

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • ampulla of Lorenzini — /lawr euhn zee nee/, Ichthyol. any of an array of electroreceptors in the head of sharks, skates, and rays capable of detecting weak electrical signals produced by muscular activity in other creatures. [after Italian physician Stefano Lorenzini… …   Universalium

  • ampulla of Lorenzini — /lawr euhn zee nee/, Ichthyol. any of an array of electroreceptors in the head of sharks, skates, and rays capable of detecting weak electrical signals produced by muscular activity in other creatures. [after Italian physician Stefano Lorenzini… …   Useful english dictionary

  • ampulla of Lorenzini — noun An electroreceptor found mainly in cartilaginous fish such as sharks and rays, forming a network of jelly filled canals …   Wiktionary

  • Ampullae of Lorenzini — The ampullae of Lorenzini are special sensing organs, forming a network of jelly filled canals found on elasmobranchs (sharks and rays) and Chimaera . Each ampulla consists of a jelly filled canal opening to the surface by a pore in the skin and… …   Wikipedia

  • ampulla — /am pul euh, pool euh/, n., pl. ampullae / pul ee, pool ee/. 1. Anat. a dilated portion of a canal or duct, esp. of the semicircular canals of the ear. 2. Zool., Bot. any flask shaped structure. 3. Eccles. a. a vessel for the wine and water used… …   Universalium

  • Ampulla — An Ampulla (plural ampullae ) was, in Ancient Rome, a small nearly globular flask or bottle, with two handles (OED). The word is used of these in archaeology, and of later, often handle less flasks for holy water or holy oil in the Middle Ages,… …   Wikipedia

  • mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …   Universalium

  • Electroreception — Electroreception, sometimes written as electroception, is the biological ability to perceive electrical impulses. It is particularly common among aquatic creatures since conductors such as salt are more easily suspended in water than in air. It… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”