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sinus gland

noun
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Definition of sinus gland

: a small glandular mass in the eyestalk of a crustacean having an endocrine function and being in some respects analogous to the neurohypophysis of the vertebrates

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“Sinus gland.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinus%20gland. Accessed 23 Oct. 2020.

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