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
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.