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
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 (1,908 words) - 14:53, 10 September 2024
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
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) - 04:48, 11 September 2024
Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
20 KB (2,385 words) - 22:43, 29 September 2024
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
Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
55 KB (6,713 words) - 04:38, 17 September 2024
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
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
Feature detection Infrared sensing in snakes Monocular deprivation Ommatidium Palpebral (bone) Pseudopupil Rhopalium Underwater vision Visual perception...
66 KB (7,902 words) - 15:28, 23 March 2024