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Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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Arteries of the Head and Neck01:26

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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.
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Related Experiment Video

Updated: Apr 11, 2026

Permanent Cerebral Vessel Occlusion via Double Ligature and Transection
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Peripheral to central: Organ interactions in stroke pathophysiology.

Shubei Ma1, Haiping Zhao1, Xunming Ji2

  • 1Cerebrovascular Diseases Research Institute, Xuanwu Hospital of Capital Medical University, Beijing 100053, China.

Experimental Neurology
|June 10, 2015
PubMed
Summary

Stroke treatments are limited, but understanding brain-body communication is key. This review explores how interactions between the brain and other organs impact stroke progression and recovery, guiding new therapeutic strategies.

Keywords:
BrainInteractionOrganPathophysiologyStroke

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Area of Science:

  • Neuroscience
  • Immunology
  • Pathophysiology

Background:

  • Stroke causes significant disability and mortality, with limited effective treatments beyond acute interventions.
  • Current experimental stroke therapies face challenges due to inadequate models and poor understanding of underlying mechanisms.
  • Emerging evidence highlights bidirectional communication between the ischemic brain and the peripheral immune system, influencing stroke outcomes.

Purpose of the Study:

  • To review current evidence on brain-other organ interactions in stroke pathophysiology.
  • To discuss the role of these interactions in stroke progression and patient outcomes.
  • To guide the development of more effective stroke treatment strategies.

Main Methods:

  • Comprehensive literature review of basic and clinical studies.
  • Analysis of experimental therapeutics and epidemiological data.
  • Synthesis of evidence on inter-organ crosstalk in stroke.

Main Results:

  • The brain and peripheral immune system engage in critical crosstalk that modulates stroke progression and repair.
  • Organ dysfunction is linked to stroke risk, and this interaction influences patient prognosis.
  • Understanding these pathophysiological mechanisms is crucial for therapeutic development.

Conclusions:

  • Inter-organ communication significantly impacts stroke pathophysiology, progression, and outcomes.
  • Targeting brain-body interactions offers promising avenues for novel stroke therapies.
  • Further research into these complex interactions is essential for improving stroke care.