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Journal articles on the topic 'Crayfish – Anatomy'

Author: Grafiati

Published: 28 July 2024

Last updated: 31 July 2025

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1

SILLAR, KEITH T., and WILLIAM J. HEITLER. "The Neural Basis of Escape Swimming Behaviour in the Squat lobster Galathea Strigosa: I. Absence of Cord Giant Axons and Anatomy of Motor Neurones Involved in Swimming." Journal of Experimental Biology 117, no. 1 (1985): 251–69. http://dx.doi.org/10.1242/jeb.117.1.251.

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1. The anatomy and physiology of neurones underlying escape swimming behaviour in the squat lobster, Galathea strigosa, have been investigated, and the results are discussed in the context of the evolution of decapod escape behaviour. 2. In contrast to crayfish, hermit crabs and a number of other related decapods, Galathea does not possess a giant fibre system for escape. 3. Fast flexor motor neurones (FFs) and fast extensor motor neurones (FEs) have been shown, by cobalt backfilling, to be homologous with crayfish FFs and FEs in number, size and distribution of somata. A small degree of inter

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2

Harlioğlu, Muzaffer M. "Visibility of precursors of the gonopods in a freshwater crayfish, Astacus leptodactylus Eschscholtz, 1823 (Decapoda, Astacidae)." Crustaceana 89, no. 3 (2016): 369–81. http://dx.doi.org/10.1163/15685403-00003528.

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Astacus leptodactylusEschscholtz, 1823 is an important, marketable species of crustacean, consumed intensely as a luxury food in many countries. BecauseA. leptodactylusis less cannibalistic than other crayfish species, is more fecund, and has a fast growth rate, it is accepted as a considerably suitable crayfish for culturing in extensive pond systems. Information on the reproductive biology and anatomy of crayfish is important for developing suitable production methods. Sex recognition may also be essential in separating males and females in crayfish rearing (i.e., to prevent cannibalism, mal

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3

Mulloney, Brian, Naranzogt Tschuluun, and Wendy M. Hall. "Architectonics of crayfish ganglia." Microscopy Research and Technique 60, no. 3 (2003): 253–65. http://dx.doi.org/10.1002/jemt.10265.

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4

Vogt, G., and M. Rug. "Microscopic anatomy and histochemistry of the crayfish parasite Psorospermium haeckeli." Diseases of Aquatic Organisms 21 (1995): 79–90. http://dx.doi.org/10.3354/dao021079.

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5

del Pliego, Margarita González, Jesús Hernández-Falcón, Elsa Aguirre-Benitez, et al. "Ventral Nerve Cord Transection in Crayfish: A Study of Functional Anatomy." Journal of Crustacean Biology 18, no. 3 (1998): 449. http://dx.doi.org/10.2307/1549410.

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6

Viancour, T. A., K. R. Seshan, G. D. Bittner, and R. A. Sheller. "Organization of axoplasm in crayfish giant axons." Journal of Neurocytology 16, no. 4 (1987): 557–66. http://dx.doi.org/10.1007/bf01668508.

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7

Skiebe, Petra. "Neuropeptides in the crayfish stomatogastric nervous system." Microscopy Research and Technique 60, no. 3 (2003): 302–12. http://dx.doi.org/10.1002/jemt.10269.

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8

Heitler, W. J., J. L. S. Cobb, and K. Fraser. "Ultrastructure of the segmental giant neuron of crayfish." Journal of Neurocytology 14, no. 6 (1985): 921–41. http://dx.doi.org/10.1007/bf01224805.

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9

Fanjul-Moles, Mar�a Luisa, and Julio Prieto-Sagredo. "The circadian system of crayfish: A developmental approach." Microscopy Research and Technique 60, no. 3 (2003): 291–301. http://dx.doi.org/10.1002/jemt.10268.

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10

HEITLER, W. J., and S. DARRIG. "The Segmental Giant Neurone of the Signal Crayfish, Pacifastacus Leniusculus, and its Interactions with Abdominal fast Flexor and Swimmeret Motor Neurones." Journal of Experimental Biology 121, no. 1 (1986): 55–75. http://dx.doi.org/10.1242/jeb.121.1.55.

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The anatomy and physiology of the segmental giant (SG) of the crayfish Pacifastacus leniusculus is described. The peripheral axon of the SG terminates in the 1st root near the base of the swimmeret, and has no direct target organ. There is a tuft of fine dendritic branches in the lateral neuropile where the SG axon has its smallest diameter. The central region of the SG has a conduction velocity of 1.3ms−1, a length constant of 0.4-0.7mm and an input resistance greater than 1.8MΩ. Dual microelectrode penetrations of pre- and postsynaptic neurones confirm that the SG receives input from the gia

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11

Heitler, W. J., R. M. Pitman, J. L. S. Cobb, and B. Leitch. "Postembryonic development of rectifying electrical synapses in crayfish: physiology." Journal of Neurocytology 20, no. 2 (1991): 109–23. http://dx.doi.org/10.1007/bf01279615.

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12

Edwards, Donald H., Fadi A. Issa, and Jens Herberholz. "The neural basis of dominance hierarchy formation in crayfish." Microscopy Research and Technique 60, no. 3 (2003): 369–76. http://dx.doi.org/10.1002/jemt.10275.

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13

Tierney, Ann Jane. "Introduction to the crayfish nervous system: From histology to function." Microscopy Research and Technique 60, no. 3 (2003): 251–52. http://dx.doi.org/10.1002/jemt.10264.

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14

Larimer, James L., and Darrell Moore. "Neural basis of a simple behavior: Abdominal positioning in crayfish." Microscopy Research and Technique 60, no. 3 (2003): 346–59. http://dx.doi.org/10.1002/jemt.10273.

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15

Mellon, Deforest, and Vinessa Alones. "Cellular organization and growth-related plasticity of the crayfish olfactory midbrain." Microscopy Research and Technique 24, no. 3 (1993): 231–59. http://dx.doi.org/10.1002/jemt.1070240304.

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16

Leitch, B., J. L. S. Cobb, W. J. Heitler, and R. M. Pitman. "Post-embryonic development of rectifying electrical synapses in the crayfish: ultrastructure." Journal of Neurocytology 18, no. 6 (1989): 749–61. http://dx.doi.org/10.1007/bf01187228.

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17

Mellon, De Forest, Vinessa Alones, and M. David Lawrence. "Anatomy and fine structure of neurons in the deutocerebral projection pathway of the crayfish olfactory system." Journal of Comparative Neurology 321, no. 1 (1992): 93–111. http://dx.doi.org/10.1002/cne.903210109.

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18

Cobb, J. L. S., and W. J. Heitler. "Ultrastructure of the phasic stretch receptor in the crayfish abdominal nerve cord." Journal of Neurocytology 14, no. 3 (1985): 413–26. http://dx.doi.org/10.1007/bf01217753.

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19

Cooper, Robin L., Elizabeth Ward, Recennah Braxton, Hao Li, and Wendy M. Warren. "The effects of serotonin and ecdysone on primary sensory neurons in crayfish." Microscopy Research and Technique 60, no. 3 (2003): 336–45. http://dx.doi.org/10.1002/jemt.10272.

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20

Abumandour, Mohamed M. "Gill Morphology in the Red Swamp Freshwater Crayfish Procambarus clarkii (Crustacea: Decapoda: Cambarids) (Girard 1852) from the River Nile and its Branches in Egypt." International Journal of Morphology 34, no. 1 (2016): 168–78. http://dx.doi.org/10.4067/s0717-95022016000100025.

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21

Celada, Jesús D., Paulino de Paz, Vicente R. Gaudioso, and Ramón Fernández. "Embryonic development of the freshwater crayfish (Pacifastacus leniusculusDana): A scanning electron microscopic study." Anatomical Record 219, no. 3 (1987): 304–10. http://dx.doi.org/10.1002/ar.1092190311.

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22

Heitler, W. J., and K. Fraser. "The Segmental Giant Neurone of the Hermit Crab Eupagurus Bernhardus." Journal of Experimental Biology 125, no. 1 (1986): 245–69. http://dx.doi.org/10.1242/jeb.125.1.245.

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The anatomy and physiology of the segmental giant (SG) neurone of the fourth abdominal ganglion of the hermit crab is described. The SG has an apparently blindending axon in the first root and a small cell body in the anterior ipsilateral ventral quadrant of the ganglion. There is a large ipsilateral neuropile arborization with prominent dendrites lined up along the course of the ipsilateral giant fibre (GF). The SG receives 1:1 input from the ipsilateral GF via an electrical synapse which is usually rectifying. SG activation produces a large EPSP in all ipsilateral and some contralateral fast

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23

Govind, C. K., and Joanne Pearce. "Active zones and receptor surfaces of freeze-fractured crayfish phasic and tonic motor synapses." Journal of Neurocytology 32, no. 1 (2003): 39–51. http://dx.doi.org/10.1023/a:1027376214993.

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24

Elekes, Karoly, and Ernst Florey. "New types of synaptic connections in crayfish stretch receptor organs: an electron microscopic study." Journal of Neurocytology 16, no. 5 (1987): 613–26. http://dx.doi.org/10.1007/bf01637654.

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25

Tierney, Ann Jane, Taylor Kim, and Reilly Abrams. "Dopamine in crayfish and other crustaceans: Distribution in the central nervous system and physiological functions." Microscopy Research and Technique 60, no. 3 (2003): 325–35. http://dx.doi.org/10.1002/jemt.10271.

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26

Leitch, B., R. M. Pitman, W. J. Hehler, and J. L. S. Cobb. "Structural and functional post-embryonic development of a non-rectifying electrical synapse in the crayfish." Journal of Neurocytology 21, no. 2 (1992): 120–28. http://dx.doi.org/10.1007/bf01189010.

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27

Vogt, G., W. St�cker, V. Storch, and R. Zwilling. "Biosynthesis of Astacus protease, a digestive enzyme from crayfish." Histochemistry 91, no. 5 (1989): 373–81. http://dx.doi.org/10.1007/bf00493824.

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28

Leitch, B., W. J. Heitler, J. L. S. Cobb, and R. M. Pitman. "Anti-GABA antibodies label a subpopulation of chemical synapses which modulate an electrical synapse in crayfish." Journal of Neurocytology 19, no. 6 (1990): 929–36. http://dx.doi.org/10.1007/bf01186820.

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29

Kondoh, Y., M. Sato, and M. Hisada. "Neuronal structure and synaptic distribution of a uropod doser motor neuron in the crayfish terminal ganglion." Journal of Neurocytology 16, no. 1 (1987): 39–54. http://dx.doi.org/10.1007/bf02456696.

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30

Safaeian, Shirin, Amin Gholamhosseini, Fahimeh Heidari, Hesamodin Kordestani, and Saeed Nazifi. "Biochemical and total hemocyte count profiles of long-clawed crayfish (Astacus leptodactylus) as a reference interval in southern Iran." Comparative Clinical Pathology 29, no. 2 (2019): 361–68. http://dx.doi.org/10.1007/s00580-019-03065-z.

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31

Mellon, Deforest. "Active dendritic properties constrain input-output relationships in neurons of the central olfactory pathway in the crayfish forebrain." Microscopy Research and Technique 60, no. 3 (2003): 278–90. http://dx.doi.org/10.1002/jemt.10267.

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32

Solé, Marta. "Statocyst Ultrastructure in the Norwegian Lobster (Nephrops norvegicus)." Biology 13, no. 5 (2024): 325. http://dx.doi.org/10.3390/biology13050325.

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Statocyst anatomy and fine morphology in Norwegian lobster (Nephrops norvegicus) are studied for the first time using scanning and transmission electron microscopy. N. norvegicus exhibits sensory setae projecting from the statocyst inner cavity floor into a mass of sand granules (statoconia) embedded in a gelatinous substance. The setae are distributed in four areas: a curved field made up of an inner single row and an outer double row that run on a circle around the medial and lateral rim of the central depression, a small setal field in the posterior part, a large setal field, opposite to th

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33

Edwards, D. H., S. R. Yeh, L. D. Barnett, and P. R. Nagappan. "Changes in synaptic integration during the growth of the lateral giant neuron of crayfish." Journal of Neurophysiology 72, no. 2 (1994): 899–908. http://dx.doi.org/10.1152/jn.1994.72.2.899.

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1. The effect of growth on the electrotonic structure and synaptic integrative properties of the lateral giant (LG) interneuron was assessed from anatomic and electrophysiological measurements of LGs in small (1–2.4 cm) and large (9–11.2 cm) crayfish and from calculated responses of mathematical models of these neurons. Postsynaptic responses of small and large LGs were compared with model responses to determine whether the differences in the neurons' responses result from growth-related changes in their physical characteristics. 2. LG neurons in the terminal abdominal ganglia of small and lar

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34

Newland, P. L., H. Aonuma, M. Sato, and T. Nagayama. "Presynaptic inhibition of exteroceptive afferents by proprioceptive afferents in the terminal abdominal ganglion of the crayfish." Journal of Neurophysiology 76, no. 2 (1996): 1047–58. http://dx.doi.org/10.1152/jn.1996.76.2.1047.

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1. Exteroceptive hairs that are sensitive to water displacement and touch are distributed over the surface of the tailfan of crayfish. We show that the sensory neurons innervating these hairs receive a primary afferent depolarization (PAD) from sensory neurons innervating a proprioceptor that monitors movements of the endopodite and protopodite of the tailfan. This PAD occurs only during high-velocity movements of the exopodite, which are similar to those that occur during swimming. The effects that the proprioceptor mediate are widespread, so that afferents in four sensory nerve roots of the

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35

Vyshedskiy, Andrey, and Jen-Wei Lin. "Presynaptic Ca2+ Influx at the Inhibitor of the Crayfish Neuromuscular Junction: A Photometric Study at a High Time Resolution." Journal of Neurophysiology 83, no. 1 (2000): 552–62. http://dx.doi.org/10.1152/jn.2000.83.1.552.

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Presynaptic calcium influx at the inhibitor of the crayfish neuromuscular junction was investigated by measuring fluorescence transients generated by calcium-sensitive dyes. This approach allowed us to correlate presynaptic calcium influx with transmitter release at a high time resolution. Systematic testing of the calcium indicators showed that only low-affinity dyes, with affinities in the range of micromolar, should be used to avoid saturation of dye binding and interference with transmitter release. Presynaptic calcium influx was regulated by slowly increasing the duration of the action po

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36

Gripshover, N. D., and B. C. Jayne. "Crayfish Eating in Snakes: Testing How Anatomy and Behavior Affect Prey Size and Feeding Performance." Integrative Organismal Biology 3, no. 1 (2021). http://dx.doi.org/10.1093/iob/obab001.

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Synopsis Quantifying the performance of animals is a powerful methodology for determining the functional consequences of morphological variation. For example, snakes consume prey whole, and variation in the anatomy of their trophic apparatus directly affects gape and limits maximal prey size. However, for the foraging ecology of snakes and other systems, scant data exist regarding how often maximal capacities are taxed in nature. Hence, we quantified: (1) maximal gape, (2) the size of prey relative to maximal gape, and (3) how the type and relative size of prey affected behavior and prey handl

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37

"VENTRAL NERVE CORD TRANSECTION IN CRAYFISH: A STUDY OF FUNCTIONAL ANATOMY." Journal of Crustacean Biology 18, no. 3 (1998): 449–62. http://dx.doi.org/10.1163/193724098x00287.

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38

Śmietana, Przemysław, Natalia Śmietana, Piotr Eljasik, Sławomir Lisiecki, Małgorzata Sobczak, and Remigiusz Panicz. "Sexual dimorphism alters seasonal chelae muscle mechanisms in spiny-cheek crayfish (Faxonius limosus)." Frontiers in Physiology 16 (April 2, 2025). https://doi.org/10.3389/fphys.2025.1567862.

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Sex-specific behaviours of freshwater crayfish are key elements in sustaining species persistence and successful conquering of new habitats in freshwater ecosystems. However, to date, information on molecular mechanisms that underpin the anatomy and physiology of crayfish sexes in successful mating behaviour was scarcely presented. In this study, Faxonius limosus females and males were sampled in spring and autumn to assess the impact of sexes and seasons on body parameters and activity of arginine kinase (ak), ferritin (fr), crustacean calcium-binding protein 23 (ccbp-23), troponin c (tnnc),

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39

Kusakabe, Tatsumi, Kazuko Ishii, and Kosei Ishii. "Dense granule-containing cells in the wall of the branchio-cardiac veins of a fresh water crayfish (Astacus leptodactylus)." Anatomy and Embryology 183, no. 6 (1991). http://dx.doi.org/10.1007/bf00187904.

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40

Wos, Guillaume, Gemma Palomar, Marzena Marszałek, Wiesław Babik, and Szymon Sniegula. "The effect of temperature and invasive alien predator on genetic and phenotypic variation in the damselfly Ischnura elegans: cross-latitude comparison." Frontiers in Zoology 20, no. 1 (2023). http://dx.doi.org/10.1186/s12983-023-00494-z.

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Abstract Background Understanding and predicting how organisms respond to human-caused environmental changes has become a major concern in conservation biology. Here, we linked gene expression and phenotypic data to identify candidate genes underlying existing phenotypic trait differentiation under individual and combined environmental variables. For this purpose, we used the damselfly Ischnura elegans. Egg clutches from replicated high- (southern Sweden) and central-latitude (southern Poland) populations facing different degrees of seasonal time constraints were collected. Damselfly larvae we

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41

Guillaume, Wos, Palomar Gemma, Marszałek Marzena, Babik Wiesław, and Śniegula Szymon. "The effect of temperature and invasive alien predator on genetic and phenotypic variation in the damselfly Ischnura elegans: cross-latitude comparison." April 10, 2023. https://doi.org/10.1186/s12983-023-00494-z.

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<strong>Abstract</strong> <strong>Background</strong> Understanding and predicting how organisms respond to human-caused environmental changes has become a major concern in conservation biology. Here, we linked gene expression and phenotypic data to identify candidate genes underlying existing phenotypic trait differentiation under individual and combined environmental variables. For this purpose, we used the damselfly <em>Ischnura elegans</em>. Egg clutches from replicated high- (southern Sweden) and central-latitude (southern Poland) populations facing different degrees of seasonal

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