Spinal Cord
Basics of Biomedical
TODAY'S AGENDA
What is Spinal Cord?
Nature
Structure
Size
Location
Internal Anatomy
Functions
Content
Synopsis
The spinal cord is a 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.
What is Spinal Cord?
What is Spinal Cord?
The spinal cord is located in the
vertebral foramen and is made up
of 31 segments: 8 cervical, 12
thoracic, 5 lumbar, 5 sacral and 1
coccygeal.
LOCATION AND NATURE
A pair
of spinal nerves
leaves each
segment of
the spinal cord.
The length of
the spinal cord is
about 45 cm in
men and 43 cm in
women.
Cross
Sectional
view of
Spinal Cord
FUNCTIONS
To relay messages from the brain to
different parts of the body
To perform an action
To pass along messages from
sensory receptors to the brain, and
To coordinate reflexes that are
managed by the spinal cord alone.
Its major roles are
FUNCTIONS
Thank You

Human spinal cord - Structure and Functions