The word "intervertebral notch" is spelled /ɪntərˈvɜrtɪbrəl nɒtʃ/. The first syllable, "inter," is pronounced with a short "i" sound, followed by the stress on the second syllable, "ver," which rhymes with "her." The third syllable, "te," is pronounced with a short "e" sound, while the fourth syllable, "bral," rhymes with "pal." Finally, the last two syllables "notch" are pronounced with a short "o" sound and the "ch" representing the /tʃ/ sound. This word refers to the space between two adjacent vertebrae.
The intervertebral notch refers to a specific anatomical structure found in the vertebral column. It is a concave depression or opening that exists between adjacent vertebrae. Each notch is located on both sides of the vertebral body and is bordered by the superior and inferior vertebral pedicles.
The intervertebral notch plays a crucial role in the formation of the vertebral foramen, which is a protective canal that houses the spinal cord. When adjacent vertebrae are stacked one on top of another, the intervertebral notches align, forming a tunnel-like space called the intervertebral foramen or neural foramen. These foramina provide a pathway for spinal nerves to exit the spinal cord and extend to various parts of the body.
In addition to serving as a passageway for nerves, the intervertebral notch also contributes to the flexibility and mobility of the spine. The notches allow for movement and the interlocking of vertebrae, enabling bending, twisting, and other complex motions. They also provide opportunities for intervertebral disc placement, which act as shock absorbers between vertebrae.
Overall, the intervertebral notch is a critical anatomical feature that contributes to the structural integrity, flexibility, and functional capabilities of the spine.
Incisura vertebralis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "intervertebral notch" is derived from a combination of Latin and English words.
The word "intervertebral" is from Latin, where "inter" means "between" and "vertebra" refers to the bones that make up the spinal column. So, "intervertebral" literally translates to "between the vertebrae".
The word "notch" comes from Middle English "nocche", which is of Germanic origin. It originally referred to a "nick" or "cut" made on an object. In the context of "intervertebral notch", it describes the indentation or space found between two adjacent vertebrae.