- lymphatic v. [TA] one of the delicate semilunar valves found in lymphatic vessels; they are usually paired and similar in structure to venous valves and occur at close intervals along the vessel wall. SYN: valvula lymphatica [TA].
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val·vule (valґvūl) [L. valvula, q.v.] a small valve; see valvula.Medical dictionary. 2011.