Anatomy Questions

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