Antoni type A neurilemoma

An·to·ni type A neu·ri·le·mo·ma

(ahn'tō-nē),
relatively solid or compact arrangement of neoplastic tissue that consists of Schwann cells arranged in twisting bundles and associated with delicate reticulin fibers; the nuclei of the Schwann cells are frequently grouped in parallel rows (so-called palisades), and the nuclei and fibers sometimes form exaggerated tactile corpuscles, called Verocay bodies.

Antoni,

Nils, Swedish neurologist, 1887-1968.
Antoni type A neurilemoma - relatively solid or compact arrangement of neoplastic tissue that consists of Schwann cells arranged in twisting bundles associated with delicate reticulin fibers.
Antoni type B neurilemoma - relatively soft or loose arrangement of neoplastic tissue that consists of Schwann cells in a nondescript arrangement among reticulin fibers and tiny cystlike foci.