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retrotrapezoid nucleus. In DICTIOUS you will not only get to know all the dictionary meanings for the word
retrotrapezoid nucleus, but we will also tell you about its etymology, its characteristics and you will know how to say
retrotrapezoid nucleus in singular and plural. Everything you need to know about the word
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English
Noun
retrotrapezoid nucleus (plural retrotrapezoid nuclei)
- A thin layer of not very densely packed neurons lying between the facial nucleus and the ventral surface of the medulla, which serves as a CO2 and H+ sensor for regulating breathing.