Located around the anus, the opening of the rectum to the outside of the body. Peri- is a prefix borrowed from the Greek. It means "around or about." So pericardial is around the heart. Perinatal is around birth. And periumbilical is around the umbilicus (the belly button). Peri- is a useful prefix in anatomy and so is much employed in medicine. Pericardial fluid is fluid around the heart. Periaortic lymph nodes are lymph nodes around the aorta. A perianal abscess is an abscess (a local accumulation of pus) that forms next to the anus causing tender swelling in that area and pain on defecation.
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peri·anal -'ān-əl adj of, relating to, occurring in, or being the tissues surrounding the anus <a \perianal abscess>

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peri·anal (per″e-aґnəl) [peri- + anal] near or around the anus; cf. circumanal.

Medical dictionary. 2011.

Look at other dictionaries:

  • perianal — PERIANÁL, Ă adj. Situat în jurul anusului. [cf. fr. périanal]. Trimis de LauraGellner, 20.07.2005. Sursa: DN  PERIANÁL, Ă adj. din jurul anusului. (< fr. périanal) Trimis de raduborza, 15.09.2007. Sursa: MDN …   Dicționar Român

  • perianal — adj. anat. Que se halla situado alrededor del ano. Medical Dictionary. 2011. perianal Situado alrededor …   Diccionario médico

  • périanal — périanal, ale (pé ri a nal, na l ) adj. Se dit des organes ou des lésions placées autour de l anus.    N a point de pluriel masculin. ÉTYMOLOGIE    Mot hybride formé de péri 3..., et anal …   Dictionnaire de la Langue Française d'Émile Littré

  • perianal — adj. 2 g. Situado à volta do ânus.   ‣ Etimologia: peri + anal …   Dicionário da Língua Portuguesa

  • perianal — {{#}}{{LM P29905}}{{〓}} {{[}}perianal{{]}} ‹pe·ria·nal› {{《}}▍ adj.inv.{{》}} De la zona próxima al ano o relacionado con ella. {{★}}{{\}}ETIMOLOGÍA:{{/}} De peri (alrededor de) y anal …   Diccionario de uso del español actual con sinónimos y antónimos

  • perianal — near or surrounding the anus; peritroct …   Dictionary of ichthyology

  • perianal — adj. [Gr. peri, around; L. anus] Situated or occurring around the anus …   Dictionary of invertebrate zoology

  • perianal — adjective Of or pertaining to the internal and external areas immediately around the anus …   Wiktionary

  • perianal — in der Umgebung des Afters …   Universal-Lexikon

  • perianal — pe|ri|a|nal Mot Agut Adjectiu invariable …   Diccionari Català-Català

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