A Brain Heater in the Swordfish

descriptionPublicationkeyboard_double_arrow_right Article 18 Jun 1982 English Publisher:American Association for the Advancement of Science (AAAS)Journal:Science, volume 216, pages 1,327-1,329 (issn: 0036-8075, eissn: 1095-9203,

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Authors: F G, Carey;

doi: 10.1126/science.7079766

pmid: 7079766

A Brain Heater in the Swordfish

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Abstract

The brain and eye of swordfish are warmer than the water. Associated with one of the eye muscles is a tissue that heats the brain. This brain heater is rich in mitochondria and cytochrome c and is supplied with blood through a vascular heat exchanger. It protects the central nervous system from rapid cooling during daily vertical excursions which may take the swordfish through a wide temperature range.

Related Organizations

Woods Hole Oceanographic Institution
United States

Keywords

Hot Temperature, Acclimatization, Fishes, Brain, Retina, Adipose Tissue, Species Specificity, Organ Specificity, Animals, Body Temperature Regulation

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