- ampullula
- A circumscribed dilation of any minute lymphatic or blood vessel or duct. [Mod. L. dim. of L. ampulla]
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am·pul·lu·la am-'pu̇l-yə-lə, -'pəl- n, pl -lae -.lē a minute ampulla (as of the lymphatics or lacteals)* * *
am·pul·lu·la (am-pulґoo-lə) [L.] any minute ampulla, like many of those of the lymphatic and lacteal vessels.
Medical dictionary. 2011.