Nerve ganglion, light micrograph

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Nerve ganglion, light micrograph

Nerve ganglion. Light micrograph of a section through a dorsal (sensory) spinal root ganglion associated with a sensory nerve root of the spinal cord. Sensory information from peripheral sites e.g. skin, muscle, organs enters the spinal cord via the axons of dorsal roots. The nerve cell bodies of dorsal root axons are clustered in a ganglion which is noted as a discrete swelling of the nerve root. The large spherical cell bodies have a single nucleus and each body is surrounded by glial/satellite cells. Axons between the cell bodies are myelinated with Schwann cells. Dorsal root ganglia are classed as pseudounipolar nerve cells because they have no dendrites; the afferent and efferent nerve fibres linked to each cell body are axons. Magnification: x65

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Media ID 9247137

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Axon Axons Bodies Cell Biology Cell Body Central Nervous System Cytological Cytology Dorsal Fibre Fibres Ganglion Glial Cell Histological Histology Myelin Myelinated Nerve Nerves Neuron Neurone Neurones Neurons Neuroscience Nuclei Nucleus Schwann Cell Sensory Sheath Sheaths Spinal Cord Stain Stained Swelling Tissue Cells Light Micrograph Light Microscope Section Sectioned

EDITORS COMMENTS
This print showcases a nerve ganglion in all its intricate glory. Taken under a light microscope, this image reveals a section through a dorsal spinal root ganglion associated with a sensory nerve root of the spinal cord. The ganglion, characterized by its discrete swelling, houses the nerve cell bodies of dorsal root axons. The large spherical cell bodies take center stage in this composition, each containing a single nucleus and surrounded by glial/satellite cells. Connecting these cell bodies are myelinated axons, sheathed with Schwann cells. It is fascinating to observe how sensory information from peripheral sites such as skin, muscle, and organs enters the spinal cord via these axons. Dorsal root ganglia are classified as pseudounipolar nerve cells due to their lack of dendrites; instead, both the afferent and efferent nerve fibers linked to each cell body function as axons. This microscopic view offers us an insight into the complex network that enables our sense of touch and perception. With magnification at x65, this image not only highlights the beauty within our biological makeup but also serves as an invaluable resource for researchers delving into fields like neuroscience and histology. By capturing this moment in time using advanced staining techniques on healthy tissue samples, Science Photo Library provides us with yet another remarkable glimpse into the wonders of human anatomy at its cellular level.

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