Spine: Anatomy, Function, Parts, Segments & Disorders
2023年10月18日 · What are the segments of the spine? Thirty-three vertebrae make up five distinct spine segments. Starting at your neck and going down toward your tailbone, the segments of your spine include: Cervical spine (neck): The top part of your spine has seven vertebrae (C1 to C7). These neck vertebrae allow you to turn, tilt and nod your head.
Spinal cord - Wikipedia
The human spinal cord is divided into segments where pairs of spinal nerves (mixed; sensory and motor) form. Six to eight motor nerve rootlets branch out of right and left ventralateral sulci in a very orderly manner.
Spinal cord: Anatomy, structure, tracts and function | Kenhub
2023年11月3日 · Like the vertebral column, the spinal cord is divided into segments: cervical, thoracic, lumbar, sacral, and coccygeal. Each segment of the spinal cord provides several pairs of spinal nerves, which exit from vertebral canal through the intervertebral foramina.
Spinal Cord: Anatomy, Function & Structure - Cleveland Clinic
2024年10月22日 · What are the three main parts of the spinal cord? Your spinal cord has three areas that match the three sections of your spine: Cervical (your neck). Thoracic (your upper back). Lumbar (your lower back). Which nerves are in the spinal cord? There are 31 nerves connected to your spinal cord.
Spine anatomy: Function, segments, parts, and more - Medical News Today
2024年2月22日 · The spine consists of five different segments. These segments are responsible for specific functions. Cervical spine. The cervical spine consists of the first seven vertebrae at the top of...
The Spinal Cord: Anatomy and 3D Illustrations - Innerbody
The spinal cord is a major component of the central nervous system (CNS) that forms the vital link between the brain and most of the body. Its 31 spinal segments connect the CNS to the organs and tissues of the neck, torso, and limbs.
Neuroanatomy, Spinal Cord Morphology - StatPearls - NCBI Bookshelf
2024年9月10日 · The spinal cord divides into 31 segments: cervical 8, thoracic 12, lumbar 5, sacral 5, and coccygeal 1. These segments consist of 31 pairs of spinal nerves with their respective spinal root ganglia. Spinal nerves contain the motor, sensory, and autonomic fibers.
Anatomy and Physiology of the Spinal Cord
According to its rostrocaudal location the spinal cord can be divided into four parts: cervical, thoracic, lumbar and sacral, two of these are marked by an upper (cervical) and a lower (lumbar) enlargement.
Spinal cord segments | Spinal cord | Spine and Back
The spinal cord is composed of segments and can be divided into five parts, similarly to the divisions of the spine. Overall, the spinal cord contains the following parts and segments: Cervical part containing eight cervical segments; Thoracic part with twelve thoracic segments; Lumbar part and five lumbar segments;
The spinal cord: normal anatomy | e-Anatomy - IMAIOS
2024年10月2日 · Next, the user will find anatomical sections of the spinal cord at different levels: cervical spinal cord (C2, C5), thoracic spinal cord (T10), lumbar spinal cord (L3) and sacral spinal cord (S3).
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