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definitions

appendiceal

[ap-uh n-dish-uh l, uh-pen-di-see-uh l]
adjective
  1. of or relating to the vermiform appendix.
Also ap·pen·di·cal [uh-pen-di-kuh l] /əˈpɛn dɪ kəl/, ap·pen·di·cial [ap-uh n-dish-uh l] /ˌæp ənˈdɪʃ əl/.

Origin of appendiceal

1905–10; < Latin appendic- (see appendix) + -eal, variant of -ial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
appendiceal in Medicine

appendiceal

[ə-pĕn′dĭ-sē′əl, ăp′ən-dĭs′ē-əl, -dĭsh′-]
adj.
  1. Relating to an appendix.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.