Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z perimitochondrial Surrounding a mitochondrion perimitral In the area of the mitral valve and its margins. perimodiolar Surrounding the modiolus perimolysis dental erosion caused by gastric acid from the stomach coming into contact with the teeth perimorph A mineral enclosed within another. perimorphic Of or relating to perimorphism or a perimorph. perimorphism The formation of perimorphs. perimorphous perimorphic perimortal Synonym of perimortem. perimortally In a perimortal manner perimortem At, or near, the time of death. perimovement Before and after a movement of the body perimuscular Around a muscle or muscles. perimycin A polyene antibiotic with antifungal properties, produced by the bacterium Streptomyces coelicolor var. aminophilus. perimylopid Any member of the family Perimylopidae of beetles. perimyocarditis inflammation of the pericardium and the underlying myocardium perimyoendocarditis Synonym of pancarditis. perimysial Surrounding a muscle or muscles. Often used to characterize patterns of inflammation found in myopathic disease. Endomysial and perimysial patterns of inflammation are in contrast to perivascular inflammation which surrounds blood vessels. perimysium A layer of connective tissue which surrounds several muscle fibers into bundles Perin A surname. perinaise Mayonnaise made with peri-peri peppers. perinarial Surrounding a nostril perinasal near the nose perinatal Of or pertaining to the time around birth. perinatality The quality of being perinatal. perinatally Around the time of birth. perinate A member of a viviparous species from approximately one month before, to one month after, birth. perinatological Relating to perinatology. perinatologist An obstetrician specializing in the care of the mother and fetus at higher than normal risk for complications. perinatology A branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies. perindopril A long-acting ACE inhibitor. perindoprilat An ACE inhibitor. perine A sporoderm layer surrounding the exine of many spores perineal Referring to the region of the perineum. perineally In a perineal fashion. perinecrotic Surrounding a necrosis Perinel The ship of characters Peridot and Spinel from the Steven Universe series. perineometer An instrument for measuring the strength of voluntary contractions of the pelvic floor muscles. perineometry The measurement of the strength of voluntary contractions of the pelvic floor muscles perineoplastic Of or pertaining to perineoplasty. perineoplasty Any of several related surgical procedures used in the correction of conditions of the vagina and/or anus, especially the repair of the perineum. perineorrhaphy The operation of sewing up a ruptured perineum. perineoscrotal Of or relating to the perineum and the scrotum. perineotomy Surgical incision into the perineum. perineovaginal Of or relating to the perineum and the vagina. perinephric Around the kidney. perinephritic Around the kidneys perinephritis inflammation or infection of the cellular tissue around the kidney perinervous Surrounding a nerve perineum The region between the genitalia and anus. perineural Near a nerve or nerves perineurally Near a nerve or nerves. perineurial Of or pertaining to the perineurium. perineuritis Inflammation of the perineurium. perineurium The sheath of connective tissue that surrounds a fascicle of nerve fibres perineuronal Surrounding a neuron perineuropilar Surrounding a neuropil perinexal Surrounding a nexus perinexus The area surrounding a nexus perinigricon Synonym of peribothron (“periapsis of a black hole”). Perino A surname from Italian. perinodal Around a node. perinodular Surrounding a nodule. perinormal Prepathological; lying between normal and pathological. perinotochordal That surrounds a notochord perinsular Around the insula of the brain. perintegrate To undergo perintegration. perintegration A secondary interpretation or analysis of the morphemic structure of a word, allowing its reinterpretation or a transfer of morphemic boundaries. Perinton A town in Monroe County, New York, United States. perinuclear Surrounding a nucleus perinuclearly Around a nucleus perinucleolar Of or pertaining to the area within the nucleus and near the nucleolus perinucleolus perinucleolar perinucleus A perinuclear region periocclusion Surrounding an occlusion periocular Surrounding the eyeball. periocularly Around the eye. period A length of time. periodate Either of two oxyanions of iodine; any salt containing these anions. periodentosis Inflammation of soft tissues around one's teeth such as the gums. periodic Relative to a period or periods. periodical A publication issued regularly, but less frequently than daily. periodicalism The practice of writing literature in installments for periodical publications. periodicalist Someone who publishes, or writes for, a periodical. A kind of journalist. periodicalize Synonym of periodicize (“to make periodic; to divide into periods”). periodically In a manner that is regular or periodic. periodicalness periodicity periodicity Recurrence of a woman's periods; menstruation. periodicize To make periodic; to divide into periods. periodide An iodide containing a higher proportion of iodine than any other iodide of the same substance or series periodinane Any heterocycle containing hypervalent iodine. periodinate To iodinate thoroughly: to add the maximum amount of iodine to. periodinated Thoroughly iodinated: reacted with iodine such that many hydrogen atoms have been replaced with iodine. periodination The act of periodinating. periodiole A spore package, that looks like an egg in a bird's nest fungus periodization The process of categorizing something (e.g. history) into named periods. periodize To divide (history) into periods. periodlike Resembling a period (time of menstruation). periodo Describing a derivative in which all hydrogen atoms have been replaced by iodine periodogram A graph used in the harmonic analysis of spectra, time series etc. periodontal surrounding a tooth periodontality The quality of being periodontal. periodontally In a periodontal way. periodontic Synonym of periodontal. periodontical periodontic periodontics The study of supporting structures of teeth, including the gums, alveolar bone, cementum, and the periodontal ligament, and the diseases and conditions that affect them. periodontist A dentist whose speciality is periodontics. periodontitic Having or relating to periodontitis. periodontitis A serious form or stage of periodontal disease which may lead to loss of bone and falling out of teeth. periodontium The specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones; the tissues including alveolar bone, cementum, gums and periodontal ligament. periodontoclasia Removal or destruction of the periodontal tissues. periodontogenesis The formation and development of periodontal structures periodontogenic That generates periodontitis periodontological Relating to periodontology. periodontologist One who works in the field of periodontology. periodontology Periodontics. periodontopathic that causes disease of the periodontium periodontopathogen A periodontal pathogen periodontopathogenic pathogenic to the supporting structures of teeth periodontopathy disease of the periodontium periodontosis Any of certain chronic periodontal diseases that exhibit degenerative bony changes. periodoscope A table or other means of calculating the menstrual cycle. periodt Used to underscore a statement or indicate that it is not open to dispute. periodynia pain experienced throughout the body, with no obvious cause Perioecian A perioecus. perioecus Someone living on the same latitude as someone else, but on a different or opposite side of the world; one's antithesis. perioestrous Relating to perioestrus perioestrus The time surrounding oestrus (of a female animal) perioikoi The ancient inhabitants of Laconia who were free residents of the mountains and the beaches of Laconia. Perioikos A free inhabitant of ancient Laconia who was without citizenship and lived outside the city of Sparta. periolivary Surrounding the olivary body perionychia Synonym of paronychia (“inflammation and/or infection of epidermis next to nails”). perionychial Of, pertaining to, or being a perionychium (singular) or perionychia (plural) (epidermis next to nails). perionychium The epidermis bordering a nail. perionyx Synonym of perionychium. periopathogen Any periopathogenic pathogen periopathogenic Contributing to periodontitis. perioperative Relating to the period around an operation, including immediate preoperative preparation and postoperative recovery. perioperatively In a perioperative manner. periople The external smooth horny layer of a hoof. perioplic Of or relating to the periople. perioptic Surrounding the eyeball or the optic nerve perioral Surrounding the mouth. periorally In a perioral manner periorbita The area around the orbit. periorbital Of, pertaining to or surrounding the orbit of the eyes periorbitally In a periorbital manner periorbitopathy The change in the eyelid and orbit following administration of some eye drops periorificial Around the orifices of the body. perioscope A form of endoscope used to explore and visualize the periodontal pocket, producing an image of a diseased tooth's root.