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
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).