lymph heart

noun

Medical Definition of lymph heart

: a contractile muscular expansion of a lymphatic vessel in some lower vertebrates that serves to drive the lymph toward the veins

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“Lymph heart.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lymph%20heart. Accessed 25 Nov. 2020.

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