HEMORRHOIDAL PLEXUS
\hˈɛməɹˌɔ͡ɪdə͡l plˈɛksəs], \hˈɛməɹˌɔɪdəl plˈɛksəs], \h_ˈɛ_m_ə_ɹ_ˌɔɪ_d_əl p_l_ˈɛ_k_s_ə_s]\
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A nervous plexus made up of branches from the middle hemorrhoidal nerves and of the pudendal p.; distributed to the lower half of the rectum.
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A freely anastomosing venous plexus immediately beneath the mucous membrane of the lower part of the rectum, from which the inferior, middle, and superior hemorrhoidal veins arise.
By Smith Ely Jelliffe
