gastropyloric nerve (sensu Cancer borealis)

Consists of gastropyloric receptor (GPR) neurons, which are stretch receptors that innervate stomach muscles in crustaceans.

प्रकार Muscle
मूल संरचना functional part of brain

अक्सर पूछे जाने वाले प्रश्न

What is the gastropyloric nerve (sensu Cancer borealis)?
The gastropyloric nerve in Cancer borealis consists of gastropyloric receptor (GPR) neurons, which are stretch-sensitive mechanoreceptors. GPR neurons innervate stomach muscles and monitor muscle tension and length during gastric and pyloric movements, providing sensory feedback to the stomatogastric circuit.
Where is the gastropyloric nerve located?
In Cancer borealis, the gastropyloric nerve runs from the stomach muscles to the stomatogastric nervous system. GPR neurons have sensory endings embedded within the muscle fibers of the gastric mill and pyloric regions, with axons that project centrally to the stomatogastric ganglion and commissural ganglia.
What is the function of the gastropyloric nerve?
The gastropyloric nerve is involved in providing sensory feedback from stomach muscles to the stomatogastric circuit. GPR neurons are stretch receptors that respond to muscle movement and tension. Their activation during stomach contractions can modulate the gastric mill rhythm and influence the timing and amplitude of motor output from the stomatogastric ganglion.
What conditions may affect the gastropyloric nerve?
Experimental manipulations such as stretching or contracting stomach muscles, pharmacological application of modulatory substances to GPR neuron receptive fields, or severing the afferent connections of GPR neurons may be associated with altered sensory feedback and changed motor circuit dynamics. The role of GPR neurons is studied in the context of sensory-motor integration.
How is the gastropyloric nerve examined?
GPR neurons within the gastropyloric nerve are studied using electrophysiological techniques, including extracellular recordings from the nerve and intracellular recordings from individual GPR neuron somata. Mechanical stimulation of the stomach muscles while recording allows study of their stretch sensitivity. Immunohistochemistry and dye fills characterize the morphology and neurochemistry of GPR neurons.

संबंधित संरचनाएं

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.