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When a suitable quantity of India ink is introduced into…

“When a suitable quantity of India ink is introduced into the circulation of a living anaesthetized animal, it is evenly mixed with the blood, and if the animal is suddenly killed by stopping the circulation a few minutes later, and preparations are made from the muscles and other organs, these…” quote by August Krogh
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“When a suitable quantity of India ink is introduced into the circulation of a living anaesthetized animal, it is evenly mixed with the blood, and if the animal is suddenly killed by stopping the circulation a few minutes later, and preparations are made from the muscles and other organs, these show the capillaries which were open at the time.”

August Krogh

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Injecting ink into blood reveals which capillaries were open at the moment of death, mapping circulation pathways.

In simple terms: Ink shows open capillaries at death.

Key Takeaway

Use tracing methods to study blood flow.

Themes

physiology research circulation

Mood

analytical clinical

Type

scientific educational

When to use this quote

  • medical research
  • veterinary studies
  • histology
  • experimental design

Key Concepts

microcirculation tracer technique vascular anatomy

Questions to Reflect On

  • How can we observe real‑time capillary flow?
  • What are limitations of post‑mortem tracing?
A Different Perspective

Only shows state at moment of death, not dynamic changes.

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