statoliths
Look at other dictionaries:
statoliths — n. small particles present in the statocyst (Zoology) … English contemporary dictionary
Statolith — Statoliths are a specialized form of amyloplasts involved in gravity perception by plants.These specialized amyloplasts are denser than the cytoplasm and can sediment according to the gravity vector. They are found in a special subset of cells of … 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
Gravitropism — [or geotropism ] is a turning or growth movement by a plant or fungus in response to gravity. Charles Darwin was one of the first Europeans to document that roots show positive gravitropism and stems show negative gravitropism . That is, roots… … Wikipedia
Otolith — organs showing detail of utricle, ococonia, endolymph, cupula, macula, hair cell filaments, and saccular nerve … Wikipedia
proprioception — /proh pree euh sep sheuhn/, n. Physiol. perception governed by proprioceptors, as awareness of the position of one s body. [1905 10; PROPRIO + (RE)CEPTION] * * * Perception of stimuli relating to position, posture, equilibrium, or internal… … Universalium
STS-65 — Infobox Space mission mission name = STS 65 insignia = Sts 65 patch.png shuttle = Columbia launch pad = 39 A launch = July 8, 1994, 12:43:01 p.m. EDT landing = July 23, 1994, 6:38:01 a.m. EDT, KSC Runway 33 duration = 14 days, 17 hours, 55… … Wikipedia
List of giant squid specimens and sightings (References) — Full bibliography for the List of giant squid specimens and sightings article.Cited referencesThe following references are cited in the List of giant squid table in the columns Cited references and Additional references . They include sources… … Wikipedia
crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… … Universalium
statocyst — [stat′əsist΄] n. [< Gr statos, standing < histanai, to STAND + CYST] 1. Bot. a plant cell containing plastids, starch grains, or other statoliths 2. Zool. a sense organ found in many invertebrate animals, consisting typically of a fluid… … English World dictionary
