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portion (por´shun)

Part or division.
accessory p. of spinal accessory nerve cranial root of accessory nerve
mesenteric p. of small intestine intestinum tenue mesenteriale
subcutaneous p. of external anal sphincter subcutaneous part of external anal sphincter See external anal sphincter.
supravaginal p. of cervix the part of the cervix of the uterus lying above the attachment of the vagina.portio supravaginalis [NA];
vaginal p. of cervix the part of the cervix uteri contained within the vagina.portio vaginalis [NA];


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