• Thumbnail for Statocyst
    The statocyst is a balance sensory receptor present in some aquatic invertebrates, including bivalves, cnidarians, ctenophorans, echinoderms, cephalopods...
    5 KB (522 words) - 13:40, 19 April 2024
  • Thumbnail for Otolith
    receptors called statocysts can be found in many invertebrate groups but are not contained in the structure of an inner ear. Mollusk statocysts are of a similar...
    26 KB (3,095 words) - 13:24, 30 June 2024
  • Thumbnail for Arthropod
    feet report no pressure. However, many malacostracan crustaceans have statocysts, which provide the same sort of information as the balance and motion...
    130 KB (12,371 words) - 13:47, 4 July 2024
  • Thumbnail for Flatworm
    A few groups have statocysts - fluid-filled chambers containing a small, solid particle or, in a few groups, two. These statocysts are thought to function...
    63 KB (6,576 words) - 15:42, 1 June 2024
  • organs of gastropods (snails and slugs) include olfactory organs, eyes, statocysts and mechanoreceptors. Gastropods have no sense of hearing. In terrestrial...
    9 KB (719 words) - 17:07, 3 December 2023
  • Thumbnail for Ctenophora
    to the opposite end). However, since only two of the canals near the statocyst terminate in anal pores, ctenophores have no mirror-symmetry, although...
    111 KB (12,379 words) - 02:17, 18 June 2024
  • Statolith may refer to: A structure in the statocyst, which allows certain invertebrates to sense gravity and balance A structure in the statocyte, cells...
    228 bytes (61 words) - 18:42, 24 January 2014
  • Thumbnail for Sea urchin
    crevices or under objects. Most species, apart from pencil urchins, have statocysts in globular organs called spheridia. These are stalked structures and...
    74 KB (7,699 words) - 18:15, 21 June 2024
  • Thumbnail for Gastropoda
    diverticula. The sensory organs of gastropods include olfactory organs, eyes, statocysts and mechanoreceptors. Gastropods have no hearing. In terrestrial gastropods...
    48 KB (5,034 words) - 15:12, 4 July 2024
  • Thumbnail for Cnidaria
    free-swimming species of Cubozoa and Scyphozoa possess balance-sensing statocysts, and some have simple eyes. Not all cnidarians reproduce sexually, but...
    81 KB (8,929 words) - 16:09, 11 July 2024
  • Thumbnail for Golden algae
    siliceous cyst that is formed endogenously. Called statospore, stomatocyst or statocyst, this structure is usually globose and contains a single pore. The surface...
    16 KB (1,596 words) - 15:34, 29 April 2024
  • Thumbnail for Berryteuthis magister
    water column to feed by starlight. An internal balancing organ called a statocyst ensures graceful movement. Magister armhook squid prey upon both benthic...
    5 KB (510 words) - 04:36, 3 December 2023
  • Thumbnail for Scyphozoa
    Each rhopalium is typically associated with a pair of sensory pits, a statocyst, and sometimes a pigment-cup ocellus. Most species appear to be gonochorists...
    10 KB (1,152 words) - 17:56, 27 May 2024
  • Thumbnail for Scaly-foot gastropod
    organs of the scaly-foot gastropod include statocysts surrounded by the oesophageal gland, each statocyst with a single statolith. There are also sensory...
    63 KB (6,299 words) - 13:29, 9 July 2024
  • Thumbnail for Jellyfish
    situ hybridization resulted in PaxB expression in the lens, retina, and statocysts. These results and the rejection of the prior hypothesis that Pax6 was...
    118 KB (12,370 words) - 16:53, 8 June 2024
  • can distinguish the polarization of light. Many invertebrates have a statocyst, which is a sensor for acceleration and orientation that works very differently...
    90 KB (10,689 words) - 09:43, 4 May 2024
  • Thumbnail for Sense of balance
    in many marine animals is done with an entirely different organ, the statocyst, which detects the position of tiny calcareous stones to determine which...
    17 KB (1,881 words) - 15:47, 21 March 2023
  • Thumbnail for Mollusca
    burrowing or feeding) in different classes. The foot carries a pair of statocysts, which act as balance sensors. In gastropods, it secretes mucus as a lubricant...
    94 KB (9,545 words) - 23:56, 25 June 2024
  • Thumbnail for Turbellaria
    and seriates – have statocysts, fluid-filled chambers containing a small solid particle or, in a few groups, two. These statocysts are thought to be balance...
    18 KB (1,835 words) - 21:14, 27 December 2023
  • Thumbnail for Beroidae
    opposite end from the mouth) is a statocyst, a balance organ that helps it to orient itself. Papillae surround the statocyst. Their function is unclear, but...
    10 KB (1,408 words) - 19:43, 5 July 2024
  • Thumbnail for Cephalopod
    arrangement. Cephalopods have advanced vision, can detect gravity with statocysts, and have a variety of chemical sense organs.: 34  Octopuses use their...
    138 KB (15,375 words) - 21:28, 9 July 2024
  • Thumbnail for Hydrozoa
    Mostly these are simple sensory nerve endings, but they also include statocysts and primitive light-sensitive ocelli. Hydroid colonies are usually dioecious...
    17 KB (1,865 words) - 15:51, 5 July 2024
  • Thumbnail for Xenacoelomorpha
    a ring comissure of variable complexity. The sensory organs include a statocyst (for balance). Some groups have two unicellular ocelli (simple eyes)....
    14 KB (1,357 words) - 22:23, 13 June 2024
  • Thumbnail for Vestibular system
    which are modified hind wings. Dark cell Migraine-associated vertigo Statocyst List of distinct cell types in the adult human body Boulpaep, Emile L...
    27 KB (3,374 words) - 20:38, 6 July 2024
  • Thumbnail for Clione limacina
    a constant depth. To keep itself upright during swimming, it uses two statocyst gravity-sensing organs that correct it to an upright posture using its...
    14 KB (1,708 words) - 01:28, 10 July 2024
  • Thumbnail for Ascidiacea
    extends to form a fin along the tail in the larva. The larva also has a statocyst and a pigmented cup above the mouth, which opens into a pharynx lined...
    41 KB (4,900 words) - 02:45, 19 July 2024
  • Thumbnail for Noise pollution
    frequencies. Oysters perceive near-field sound vibrations by utilizing statocysts. In addition, they have superficial receptors that detect variations in...
    100 KB (11,202 words) - 07:16, 16 July 2024
  • Thumbnail for Octopus
    colourful mating displays. Attached to the brain are two organs called statocysts (sac-like structures containing a mineralised mass and sensitive hairs)...
    114 KB (11,971 words) - 00:47, 14 July 2024
  • Thumbnail for Malacostraca
    Sensory organs include compound eyes (often stalked), ocelli (simple eyes), statocysts and sensory bristles. The naupliar eye is a characteristic of the nauplius...
    30 KB (2,961 words) - 11:57, 19 July 2024
  • Thumbnail for Bryozoa
    Aethozooides, Aethozoon, Franzenella and Monobryozoon). The latter having a statocyst‐like organ with a supposed excretory function. The terms Polyzoa and Bryozoa...
    135 KB (13,101 words) - 22:53, 30 June 2024