Lymph heart

See Note under Heart, n., 1.

lymph heart

[′limf ‚härt] (vertebrate zoology) A muscular expansion of a lymphatic vessel which contracts, driving lymph to the veins, as in amphibians.

an enlarged lymphatic vessel that is capable of pumping lymph. It is present in most vertebrates but not birds and mammals.

ThesaurusSeelymph

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