8 Questions
What is the length of the spinal cord?
45 cm
Which part of the spinal cord is responsible for the cervical bulging?
Brachial plexus
What is the terminal part of the spinal cord called?
Conus medullaris
What is the specific region where the spinal cord starts?
Below the foramina magnum
What is the significance of the lumbosacral bulging in the spinal cord?
It contains extending nerve fibers
Which body structures have a similar length to the spinal cord?
Sartorius muscle and humorous bone
What are the coverings of the spinal cord?
Pia mater, arachnoid, and dura mater
Why does the cervical bulging occur in the spinal cord?
Because of brachial plexus
Study Notes
Spinal Cord Structure
- The spinal cord is approximately 45cm (18 inches) long in adult humans.
- The cervical bulging in the spinal cord is caused by the cervical enlargement, which is responsible for the nerve supply to the upper limbs.
- The terminal part of the spinal cord is called the conus medullaris.
- The spinal cord starts at the foramen magnum, which is a specific region at the base of the skull.
- The lumbosacral bulging in the spinal cord is significant because it is responsible for the nerve supply to the lower limbs.
- The length of the spinal cord is similar to the length of the vertebral column, which is approximately 45cm (18 inches) long in adult humans.
- The spinal cord has three main coverings: the dura mater, arachnoid mater, and pia mater.
- The cervical bulging occurs in the spinal cord due to the increased nerve supply to the upper limbs, which requires a larger amount of nerve tissue.
Learn about the structure of the spinal cord, including its beginning at the medulla oblongata and ending between L1 & L2. Explore terms like conus medullaris and cauda equina, which are vital parts of the spinal cord anatomy.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
