Cross Sectional View Of The Spinal Cord

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Cross sectional view of the spinal cord. The gray matter is made up of neuroglia cells and neuron cell bodies. Look no further than these interactive exam style anatomy quizzes. The ascending reticular activating system aras also known as the extrathalamic control modulatory system or simply the reticular activating system ras is a set of connected nuclei in the brains of vertebrates that is responsible for regulating wakefulness and sleep wake transitions the aras is a part of the reticular formation and is mostly composed of various nuclei in the thalamus and.

General structure of a neuron nerve cell. In humans the spinal cord begins at the occipital. Spinal cord cross section.

Start quiz want to learn faster. At the back are two dorsal horns and away from the back are two ventral horns. The gray matter is the core and ends up to be four projections that are known as horns.

The two grooves are named as follows. The white matter is made up of neuron axons mostly but not all myelinated. Thousands of new high quality pictures added every day.

Find spinal cord cross section stock images in hd and millions of other royalty free stock photos illustrations and vectors in the shutterstock collection. The ventral anterior median fissure and the more shallow dorsal posterior median sulcus. Spinal cord cross sectional anatomy.

The spinal cord is a long thin tubular structure made up of nervous tissue which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column it encloses the central canal of the spinal cord which contains cerebrospinal fluid the brain and spinal cord together make up the central nervous system cns. Nervous tissue spinal cord spinal nerves structure description notes cross section of spinal cord be able to label gray matter h or butterfly shape interior posterior dorsal horns receive sensory info from somatic nerves p in anterior ventral horns send motor signals to spinal nerves posterior dorsal root ganglion aka dorsal root ganglion nerve cell bodies of sensory nerves. The bottom wings are toward the front of the body and its internal organs.