The statocyst is a balance sensory receptor present in some aquatic invertebrates, including bivalves, cnidarians, ctenophorans, echinoderms, cephalopods...
5 KB (522 words) - 00:24, 2 August 2024
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
feet report no pressure. However, many malacostracan crustaceans have statocysts, which provide the same sort of information as the balance and motion...
131 KB (12,443 words) - 00:20, 23 September 2024
Sensory organs of gastropods (section Statocysts)
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
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) - 19:04, 31 August 2024
to the opposite end). However, since only two of the canals near the statocyst terminate in anal pores, ctenophores have no mirror-symmetry, although...
112 KB (12,431 words) - 07:21, 25 September 2024
crevices or under objects. Most species, apart from pencil urchins, have statocysts in globular organs called spheridia. These are stalked structures and...
80 KB (8,034 words) - 14:14, 27 September 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
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) - 15:55, 26 August 2024
diverticula. The sensory organs of gastropods include olfactory organs, eyes, statocysts and mechanoreceptors. Gastropods have no hearing. In terrestrial gastropods...
48 KB (5,037 words) - 20:05, 27 September 2024
free-swimming species of Cubozoa and Scyphozoa possess balance-sensing statocysts, and some have simple eyes. Not all cnidarians reproduce sexually, but...
81 KB (8,949 words) - 08:18, 13 September 2024
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
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 (10,686 words) - 21:50, 15 September 2024
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) - 01:08, 9 August 2024
situ hybridization resulted in PaxB expression in the lens, retina, and statocysts. These results and the rejection of the prior hypothesis that Pax6 was...
119 KB (12,435 words) - 06:28, 29 September 2024
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 (1,420 words) - 03:22, 15 September 2024
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...
96 KB (9,722 words) - 07:15, 10 September 2024
in many marine animals is done with an entirely different organ, the statocyst, which detects the position of tiny calcareous stones to determine which...
16 KB (1,883 words) - 17:17, 31 August 2024
a ring comissure of variable complexity. The sensory organs include a statocyst (for balance). Some groups have two unicellular ocelli (simple eyes)....
14 KB (1,377 words) - 19:54, 20 July 2024
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 (3,373 words) - 16:27, 10 September 2024
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
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
but the cells responsible for this are unknown. Some brachiopods have statocysts, which detect changes in the animals' position. Lifespans range from 3...
92 KB (9,378 words) - 20:47, 11 August 2024
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) - 03:08, 15 September 2024
frequencies. Oysters perceive near-field sound vibrations by utilizing statocysts. In addition, they have superficial receptors that detect variations in...
100 KB (11,204 words) - 01:19, 5 August 2024
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) - 00:59, 13 September 2024
withdraw into their tubes. Some burrowing and tube-dwelling polychaetes have statocysts (tilt and balance sensors) that indicate which way is down. A few polychaete...
88 KB (9,008 words) - 20:26, 26 August 2024
colourful mating displays. Attached to the brain are two organs called statocysts (sac-like structures containing a mineralised mass and sensitive hairs)...
115 KB (12,038 words) - 20:26, 24 September 2024
likely the most recent eyes to evolve. Although chitons lack osphradia, statocysts, and other sensory organs common to other molluscs, they do have numerous...
50 KB (4,840 words) - 21:27, 28 September 2024
Sensory organs include compound eyes (often stalked), ocelli (simple eyes), statocysts and sensory bristles. The naupliar eye is a characteristic of the nauplius...
31 KB (2,989 words) - 12:59, 9 September 2024