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Related Concept Videos

Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Vascular Spasm01:16

Vascular Spasm

The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...
Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Arteries of the Head and Neck01:26

Arteries of the Head and Neck

The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
Acute Inflammation III: Local and Systemic Effects01:25

Acute Inflammation III: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...

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Updated: Jun 28, 2026

Characteristics of Pain Changes in Rats with Nerve Injury Within 24 hours After One-Time Tuina Intervention
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Characteristics of Pain Changes in Rats with Nerve Injury Within 24 hours After One-Time Tuina Intervention

Published on: January 26, 2024

Primary central nervous system vasculitis: an update.

Claire Rice1, Neil Scolding2

  • 1Institute of Clinical Neurosciences, University of Bristol, Bristol, England.

Journal of Neurology
|March 3, 2026
PubMed
Summary
This summary is machine-generated.

Primary CNS vasculitis (PCNSV) is a rare, challenging condition. Early diagnosis and treatment are crucial for preventing severe neurological damage, despite the need for more clinical trials.

Keywords:
CNS angiitisCNS vasculitisCerebral vasculitis

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Area of Science:

  • Neurology
  • Immunology

Background:

  • Primary CNS vasculitis (PCNSV) is an uncommon, difficult-to-diagnose condition.
  • It can lead to fatal outcomes or significant, lasting neurological deficits.

Purpose of the Study:

  • To summarize recent advances in PCNSV recognition and diagnosis.
  • To highlight the importance of biopsy and histopathology for diagnosis.
  • To outline current treatment recommendations and future research directions.

Main Methods:

  • Review of recent literature on PCNSV.
  • Emphasis on diagnostic criteria and histopathological findings.
  • Summary of current therapeutic strategies.

Main Results:

  • PCNSV diagnosis remains challenging but is improving with recent advances.
  • Biopsy is critical for definitive histopathological confirmation.
  • While treatment options exist, controlled trials are lacking.

Conclusions:

  • Despite diagnostic and therapeutic challenges, PCNSV is highly treatable.
  • Further collaborative research is needed to advance understanding and management of PCNSV.