- The nerve fibers of the gracile fascicules terminate at the _________ nucleus of the medulla oblongata.
- Where is the origin of sensory signals carried by the cuneate fasciculus?
- Because the nerve tracts of the spinal cord undergo __________, the right side of the brain communicates with the left side of the body, and vice versa.
- Which tract will have its origin and destination on the same side of the body?
- In a sensory pathway, which neuron detects the stimulus and transmits the signal to the spinal cord or brainstem?
- Which tract will have its origin and destination of opposite sides of the body?
- In an adult, the spinal cord ends at which vertebra?
- The number of neurons in a descending pathway is
- In a sensory pathway, which neurons run from the spinal cord or brainstem to the thalamus?
- Which pathways are made up of three neurons?
- In the spinothalamic tract, the ________ -order neurons decussate from the posterior horn of the spinal cord.
- Within the spinal cord, what type of information do the descending tracts carry?
- Within the spinal cord, which tracts carry information up to the brain?
- What structure marks the superior end of the spinal cord?
- how is iron and calcium absorbed into the bloodstream?
- The spinal cord contains ascending and descending nerve fibers that send information between the CNS and the periphery. This illustrates which function of the spinal cord?
- How many neurons are typically found in an ascending pathway between the receptor and the brain?
- __________ matter is composed of myelinated and unmyelinated axons and is superficial to the gray matter of the spinal cord.
- what are vitamins A, D, E, & K absorbed into the bloodstream?
- are vitamins absorbed into the bloodstream as changed or unchanged?