lienculus

from The Century Dictionary.

• noun One of the small separate masses of splenic tissue sometimes found about the spleen.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Anat.) One of the small nodules sometimes found in the neighborhood of the spleen; an accessory or supplementary spleen.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun anatomy One of the small nodules sometimes found in the neighbourhood of the spleen; an accessory or supplementary spleen.