Spinal cord: Anatomy, structure, tracts and function | Kenhub
2023年11月3日 · Learn about the spinal cord, a part of the central nervous system that conveys information between the brain and the body. See cross section diagrams, spinal nerves, meninges, blood supply, and more.
仅显示来自 kenhub.com 的搜索结果Central Nervous System
Central nervous system anatomy. The central nervous system (CNS) is a …
Spinal Nerves
Key Facts about spinal nerves; Origins: Anterior (ventral) and posterior (dorsal) …
Skull
Here the brainstem leaves the skull and becomes the spinal cord. The foramen …
Kidney
The kidneys have their anterior and posterior surfaces. The anterior surface …
Spinal Reflex
A major part of the spinal cord function is regulated by the brain.Many functions of …
Stretch Reflex
The stretch reflex is the contraction of a muscle that occurs in response to its …
Withdrawal Reflex
a noxious stimulus, such as heat or pain, will excite the sensory nociceptor e.g. a …
Spinothalamic Tract
The spinothalamic tract is an ascending pathway of the spinal cord. Together …
Neural Pathways
The spinal cord consists of ascending and descending tracts.The ascending tracts …
Brainstem
The medulla oblongata is the most inferior portion of the brain stem, sitting in the …
14.4 The Spinal Cord – Anatomy & Physiology - Open …
2019年9月26日 · Learn about the regions, horns, columns, and functions of the spinal cord, the major organ of the central nervous system. See cross-sectional and longitudinal views of the spinal cord and its connections with the brain …
Anatomy of the Spinal Cord (Section 2, Chapter 3) Neuroscience …
Schematic dorsal and lateral view of the spinal cord and four cross sections from cervical, thoracic, lumbar and sacral levels, respectively. The spinal cord is the most important …
Spinal cord - Wikipedia
The spinal cord is the main pathway for information connecting the brain and peripheral nervous system. Much shorter than its protecting spinal column, the human spinal cord originates in the brainstem, passes through the foramen magnum, and continues through to the conus medullaris near the second lumbar vertebra before terminating in a fibrous extension known as the filum terminale.
Wikipedia · CC-BY-SA 许可下的文字Anatomy and Physiology of the Spinal Cord
a) Cross section of the lumbar portion of the rat spinal cord showing the layered arrangement of the hemicord. The white matter is separated from the grey matter by a broken line. LSN= lateral spinal nucleus which takes place outside the …
The Vertebrae and Spinal Cord: 3D Anatomy Model - Innerbody
2024年10月25日 · The spinal cord is a thick cable of nervous tissue extending from the medulla oblongata of the brain stem to the neck and torso. Viewed in a cross-section, it has a roughly …
The Spinal Cord: Anatomy and 3D Illustrations
2 天之前 · 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, …
Spinal cord: Ascending and descending tracts - Kenhub
2023年11月16日 · Cross-sectional view of the spinal cord Cross-sectional analysis of the spinal cord reveals that it is made up of a central area of cell bodies, called grey matter , and a peripheral area of myelinated axons known …
Spinal cord: Anatomy, functions, and injuries - Medical …
2019年11月12日 · Looking at the spinal cord cross-section, the top wings of the gray matter “butterfly” reach toward the spinal bones. The bottom wings are toward the front of the body and its internal...
11.5: Spinal Cord - Medicine LibreTexts
2024年10月21日 · Histological cross sections allow for visualizing the horns and funiculi of the spinal cord. At 40x (image C) we can see the cell bodies of the multipolar neurons in the grey matter and the myelinated axons in the white …
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