• Thumbnail for Rhopalium
    Rhopalia (singular: rhopalium) from Ancient Greek ῥόπαλον (rhópalon) 'club' are small sensory structures of certain Scyphozoan (true jellyfish) and Cubozoan...
    13 KB (1,614 words) - 18:38, 6 April 2024
  • Thumbnail for Lion's mane jellyfish
    balance organ at each of the eight indentations between the lobes – the rhopalium – which helps the jellyfish orient itself. From the central mouth extend...
    18 KB (1,869 words) - 20:34, 16 August 2024
  • Thumbnail for Scyphozoa
    they coordinate the muscular action allowing the animal to move. Each rhopalium is typically associated with a pair of sensory pits, a statocyst, and...
    10 KB (1,152 words) - 01:08, 9 August 2024
  • Thumbnail for Cat senses
    Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
    20 KB (2,385 words) - 18:31, 5 June 2024
  • Thumbnail for Box jellyfish
    structures called rhopalia which are connected to their ring nerve. Each rhopalium contains two image forming lens eyes. The upper lens eye looks straight...
    50 KB (5,588 words) - 13:28, 20 August 2024
  • Thumbnail for Chironex yamaguchii
    pigment eyes. The statolith is oval and is located at the base of each rhopalium. There are eight different types of stinging cells. This box jellyfish...
    4 KB (424 words) - 19:11, 8 August 2024
  • Thumbnail for Dog anatomy
    Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
    55 KB (6,712 words) - 18:54, 31 July 2024
  • Thumbnail for Animal coloration
    Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
    49 KB (5,274 words) - 15:11, 25 August 2024
  • Thumbnail for Vision in fish
    Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
    66 KB (7,912 words) - 15:28, 23 March 2024
  • deep blue-green color. The bell is mostly an ashy brown, otherwise. Each rhopalium has a white spot on its radius, and there are often four white streaks...
    3 KB (339 words) - 06:18, 12 February 2024