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The mechanoreceptors are hair cells, the same mechanoreceptors for vestibular sense and hearing. Hair cells in fish are used to detect water movements around their bodies. These hair cells are embedded in a jelly-like protrusion called cupula.
Arthropods like these northern prawn, and some mammals, detect water movement with sensory hairs such as whiskers, bristles or antennae. In animal physiology, hydrodynamic reception refers to the ability of some animals to sense water movements generated by biotic (conspecifics, predators, or prey) or abiotic sources.
Aquatic animals use mechanoreceptors to detect acoustic signals. Aside from aquatic mammals which have external ears, other aquatic vertebrates have ear holes containing mechanoreceptors. [7] Aquatic invertebrates such as lobster, crabs and shrimps have external sensory hairs and internal statocysts as their sound-detecting organs. [11] [12]
When a fish moves, it creates disturbances in the water that could be detected by the lateral line system, potentially interfering with the detection of other biologically relevant signals. To prevent this, an efferent signal is sent to the hair cell upon motor action, resulting in inhibition which counteracts the excitation resulting from ...
Phasic mechanoreceptors are useful in sensing such things as texture or vibrations, whereas tonic receptors are useful for temperature and proprioception among others. [citation needed] Slowly adapting: Slowly adapting mechanoreceptors include Merkel and Ruffini corpuscle end-organs, and some free nerve endings.
The fish lateral line consists of thousands of hair cells. [3] In fish, a neuromast is a fine hair-like structure that uses transduction of rate coding to transmit the directionality of the signal. [4] Each neuromast has a direction of maximum sensitivity providing directionality. [5]
Today's Connections Game Answers for Wednesday, February 12, 2025: 1. DOCUMENTS OF OWNERSHIP: CERTIFICATE, DEED, RECEIPT, TITLE 2. BITS IN A VARIETY SHOW: DANCE ...
Current detection is a detection system of water currents, consisting mostly of vortices, found in the lateral line of fish and aquatic forms of amphibians. The lateral line is also sensitive to low-frequency vibrations. The mechanoreceptors are hair cells, the same mechanoreceptors for vestibular sense and hearing. It is used primarily for ...