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.- Spinal cord
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Large, oval-shaped opening in the occipital bone of the skull.
The spinal cord, an extension of the medulla oblongata, passes through the foramen magnum as it exits the cranial cavity.
Adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum.
The actual spinal cord terminates between vertebrae one and two of this series, called L1 and L2.
Sensory neurons, also known as afferent neurons, are neurons in the nervous system, that convert a specific type of stimulus, via their receptors, into action potentials or graded potentials.
The cell bodies of the sensory neurons are located in the dorsal ganglia of the spinal cord.
Afferent nerve fibers are the axons (nerve fibers) carried by a sensory nerve that relay sensory information from sensory receptors to regions of the brain.
In the peripheral nervous system afferent and efferent nerve fibers are part of the somatic nervous system and arise from outside of the spinal cord.
The spinal canal (or vertebral canal or spinal cavity) is the canal that contains the spinal cord within the vertebral column.
One of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system (CNS).
The PNS consists of the nerves and ganglia outside the brain and spinal cord.
A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body.
The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord.
The central canal (also known as spinal foramen or ependymal canal ) is the cerebrospinal fluid-filled space that runs through the spinal cord.
In anatomy, the meninges (, singular: meninx ( or ), from, adjectival: meningeal ) are the three membranes that envelop the brain and spinal cord.