- Signals are sent from the central nervous system to effectors such as muscles or glands through ________ neurons.
- What is the term for branches given off by an axon?
- Within the peripheral nervous system, bundles of axons wrapped in connective tissue form structures called _________ .
- In which branch of the nervous system do the Schwann cells wrap around axons creating myelin sheaths?
- where does the sigmoid colon terminate?
- The extension of a neuron that receives input is called a(n) ______.
- Which class of neurons transmits information from the periphery to the central nervous system?
- ______ receptors detect changes in internal and external body conditions.
- The gaps between segments of myelin along an axon are called ________ of _________ .
- Neurons include cell bodies and cell processes called _________ and _________ .
- The end of an axon may have many fine extensions, each with a specialized ending called an axon ___________ .
- The peripheral nervous system includes the _________ and ________ nerves.
- The two main divisions of the nervous system are the ________ nervous system and the ________ nervous system.
- Structures called tracts are bundles of axons occurring within the ______ nervous system.
- Sensory receptors detect changes in _____ body conditions.
- A space between a synaptic knob and the receptive surface of another cell is called a _________ synaptic .
- The master regulatory system that sends and receives information is the ________ system.
- originates at the right colic flexure and curves slightly anteriorly as it projects horizontally to the left across the anterior region of the abdominal cavity
- Originates at the sigmoid flexure and turns inferomedially into the pelvic cavity
- originates at the ilelocal valve and extends superiorly from the superior edge of the cecum along the right lateral border of the abdominal cavity