To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

4,5
Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
Languages
Recent
Show all languages
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.
.
Leo
Newton
Brights
Milds

Posterior grey column

From Wikipedia, the free encyclopedia

Posterior grey column (posterior horn of spinal cord)
Cross section of the spinal cord. The posterior horn is the upper protrusion of grey matter, labeled with "2"
Details
Identifiers
Latincornu posterius medullae spinalis
MeSHD066148
TA98A14.1.02.115
A14.1.02.023
A14.1.02.114
TA26064
FMA256530
Anatomical terminology

The posterior grey column (posterior cornu, dorsal horn, spinal dorsal horn, posterior horn, sensory horn[1]) of the spinal cord is one of the three grey columns of the spinal cord.[citation needed] It is a pronounced, dorsolaterally-oriented ridge of gray matter in either lateral half of the spinal cord. When viewed in transverse section, it is termed the posterior horn or dorsal horn.[2]

The posterior column contains the cell bodies of second-order sensory neurons and their synapses with the pseudounipolar first-order sensory neurons (whose cell bodies are located within the sensory ganglia (a.k.a. dorsal root ganglia)). It receives several types of sensory information from parts of the body (including fine touch, proprioception, and vibration) from receptors of in the skin, bones, and joints.[citation needed]

YouTube Encyclopedic

  • 1/3
    Views:
    43 406
    26 976
    4 284
  • Neurology | Spinal Cord: Gray Matter Structure & Function
  • Spinal Cord (Structures, Nerves, Reflex arc, Cross Section) - Nervous System Anatomy | Part 2
  • Gray matter | divisions and sub divisions complete | internal structure of Spinal cord | 2020.

Transcription

Anatomy

The posterior horn extends to the surface of the spinal cord.[3]

Structure

The posterior grey column is subdivided into six layers termed Rexed laminae I-VI

The other four Rexed laminae are located in the other two grey columns in the spinal cord.

Additional images

Function

Posterior horn of spinal cord involves in sensory processing.

The function of the spinal dorsal horn is to process and integrate sensory information from the peripheral nervous system. It receives inputs from primary afferent fibers and modulatory systems, and it projects to higher brain centers and motor neurons. The dorsal horn circuitry is involved in various aspects of sensory processing, including discrimination, integration, and modulation of nociceptive and non-nociceptive signals. Dysfunction of the dorsal horn circuitry has been implicated in chronic pain conditions and other neurological disorders.[5]

See also

References

  1. ^ "Dorsal horn | anatomy". Encyclopedia Britannica. Retrieved 2021-05-04.
  2. ^ "columna posterior". TheFreeDictionary.com. Retrieved 2023-06-13.
  3. ^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). Elsevier Australia. p. 487. ISBN 978-0-7295-3752-0.
  4. ^ Woolsey, Robert M.; Vernon W. Lin; Cardenas, Diana D.; Cutter, Nancy C.; Frederick S. Frost; Margaret C. Hammond; Laurie B. Lindblom; Inder Perkash; Robert Waters (2002). Spinal Cord Medicine: Principles and Practice. Demos Medical Publishing. ISBN 1-888799-61-7.
  5. ^ Harding, Erika K.; Fung, Samuel Wanchi; Bonin, Robert P. (2020). "Insights Into Spinal Dorsal Horn Circuit Function and Dysfunction Using Optical Approaches". Frontiers in Neural Circuits. 14. doi:10.3389/fncir.2020.00031. ISSN 1662-5110. PMC 7303281. PMID 32595458.


This page was last edited on 22 February 2024, at 15:58
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.