What is the spiderweb like middle meninx called?

The arachnoid (arachnoid mater) is the middle meninx. The fine threads of tissue that spread across this space resemble a spider web and give the arachnoid layer its name (arachnid means spider). The pia mater is the innermost meninx layer.

Which space is filled with adipose tissue?

In the vertebral canal, there is an epidural space between the meninges and vertebrae, which is often filled with white adipose tissue.

What contains neuron cell bodies and Unmyelinated processes?

Contains neuron cell bodies that receive impulses from sensory neurons. Contains neuron cell bodies and unmyelinated processes. You just studied 16 terms!

What is the term used to describe the tapered end of the spinal cord?

The spinal cord ends at the intervertebral disc between the first and second lumbar vertebrae as a tapered structure called the conus medullaris, consisting of sacral spinal cord segments.

Which Meninge is closest to the brain?

pia mater
The middle layer of the meninges is called the arachnoid. The inner layer, the one closest to the brain, is called the pia mater or just the pia.

What is the difference between cranial and spinal meninges?

The main difference between cranial and spinal meninges is that cranial meninges are the protective coverings of the brain, consisting of channels in the dura mater between various parts of the brain called dural folds, whereas spinal meninges are the protective coverings of the spinal cord whose dura mater acts as a …

Is Adipose a loose connective tissue?

Adipose tissue This is a loose connective tissue which is not directly concerned with support or defense functions. It evolves from areolar tissue as adipocytes replacing almost all of the other cells and many of the fibers.

What does CNS?

What is the central nervous system? The central nervous system (CNS) controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.

Is the spinal cord a cell?

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata of the brain to the level of the lumbar region. The brain and spinal cord together make up the central nervous system (CNS).

What is cord syndrome?

Definition. Central cord syndrome is the most common form of incomplete spinal cord injury characterized by impairment in the arms and hands and to a lesser extent in the legs. The brain’s ability to send and receive signals to and from parts of the body below the site of injury is reduced but not entirely blocked.

Where does spinal cord end in adults?

In adults, the cord terminates at the level of L1-L2. Thus the cord spans within 20 bony vertebrae. In a child, it terminates at the upper border of L3.