Bilaterally symmetrical rhopalial nervous system of the box jellyfish Tripedalia cystophora
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Bilaterally symmetrical rhopalial nervous system of the box jellyfish Tripedalia cystophora. / Skogh, C; Garm, A; Nilsson, D-E; Ekström, P.
I: Journal of Morphology, Bind 267, Nr. 12, 2006, s. 1391-405.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › fagfællebedømt
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TY - JOUR
T1 - Bilaterally symmetrical rhopalial nervous system of the box jellyfish Tripedalia cystophora
AU - Skogh, C
AU - Garm, A
AU - Nilsson, D-E
AU - Ekström, P
N1 - Keywords: Animals; Atlases as Topic; Cubozoa; Demography; Fluorescent Antibody Technique; Immunoenzyme Techniques; Microscopy, Confocal; Nervous System; Neuroanatomy; Neuroglia; Neurons
PY - 2006
Y1 - 2006
N2 - Cubomedusae, or box jellyfish, have the most elaborate visual system of all cnidarians. They have 24 eyes of four morphological types, distributed on four sensory structures called rhopalia. Box jellyfish also display complex, probably visually guided behaviors such as obstacle avoidance and fast directional swimming. Here we describe the strikingly complex and partially bilaterally symmetrical nervous system found in each rhopalium of the box jellyfish, Tripedalia cystophora, and present the rhopalial neuroanatomy in an atlas-like series of drawings. Discrete populations of neurons and commissures connecting the left and the right side along with two populations of nonneuronal cells were visualized using several different histochemical staining techniques and electron microscopy. The number of rhopalial nerve cells and their overall arrangement indicates that visual processing and integration at least partly happen within the rhopalia. The larger of the two nonneuronal cell populations comprises approximately 2,000 likely undifferentiated cells and may support a rapid cell turnover in the rhopalial nervous system.
AB - Cubomedusae, or box jellyfish, have the most elaborate visual system of all cnidarians. They have 24 eyes of four morphological types, distributed on four sensory structures called rhopalia. Box jellyfish also display complex, probably visually guided behaviors such as obstacle avoidance and fast directional swimming. Here we describe the strikingly complex and partially bilaterally symmetrical nervous system found in each rhopalium of the box jellyfish, Tripedalia cystophora, and present the rhopalial neuroanatomy in an atlas-like series of drawings. Discrete populations of neurons and commissures connecting the left and the right side along with two populations of nonneuronal cells were visualized using several different histochemical staining techniques and electron microscopy. The number of rhopalial nerve cells and their overall arrangement indicates that visual processing and integration at least partly happen within the rhopalia. The larger of the two nonneuronal cell populations comprises approximately 2,000 likely undifferentiated cells and may support a rapid cell turnover in the rhopalial nervous system.
U2 - 10.1002/jmor.10472
DO - 10.1002/jmor.10472
M3 - Journal article
C2 - 16874799
VL - 267
SP - 1391
EP - 1405
JO - Journal of Morphology
JF - Journal of Morphology
SN - 0362-2525
IS - 12
ER -
ID: 10140623