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 perigenual Surrounding a genu or knee perigestational Around the time of gestation. periglacial Of or pertaining to the area around the edge of a glacier. periglacially Around the edge of a glacier. periglaciated Modified by periglaciation periglaciation Geomorphic processes resulting from seasonal thawing of snow in areas of permafrost, the runoff from which refreezes in ice wedges and other structures. periglandular Surrounding a gland or glands. periglobular Surrounding a globule perigloea The entire gelatinous investment of a diatom. periglomerular Around the glomerulus. periglottal Around the glottis. periglottic Around the glottis. periglottis The epidermis of the tongue. perignathic Surrounding the jaws. Perigo A surname. perigon A round angle; a full circle. perigonadal Surrounding the gonads perigonadial Around the gonads. perigonadic Surrounding a gonad perigone perianth perigonial of or related to the perigonium perigonium The sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth. perigraft Surrounding a graft perigranular Surrounding a granule perigraph An instrument for measuring a person's ability to flex the neck and limbs. perigraphic Surrounding the graphics; sometimes applied to the material (preface, etc.) between the covers and the main content of a comic. periguloside A particular steroid glycoside. perigyne Synonym of perigynium. perigynial Relating to a perigynium. perigynium A specialized sheath-like bract that surrounds the ovary or fruit of some flowering plants, especially those in the family Cyperaceae (sedges); utricle. perigynous Having the stamens, petals or sepals situated around the ovary (especially, on the rim of the receptacle of a superior ovary). perigynously In a perigynous manner. perigyny The quality of being perigynous. perihabenular Surrounding a habenula perihadromatic Surrounding the hadrome. perihelial Relating to the perihelion. perihelic Of or pertaining to a perihelion. perihelion The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun. perihelium Synonym of perihelion. perihematomal That surrounds a hematoma perihemorrhagic Surrounding a hemorrhage perihepatic Surrounding the liver. perihepatitis Inflammation of the serous or peritoneal coating of the liver. periherm In an orbit around the planet Mercury, the point that is closest to Mercury. perihermion Periapsis around Mercury. perihernial Around a hernia. perihilar Surrounding the hilum. perihippocampal Surrounding the hippocampus perihydro Having hydrogen atoms attached around a ring perihydroxylated hydroxylated at points around a ring system perihypoglossal Surrounding the hypoglossal nerve. perihypothalamic Surrounding the hypothalamus perihysteric Around the womb. periictal Of or pertaining to the time around a seizure episode. periimplant Surrounding an implant periimplantation Around the time of implantation periimplantational Before and/or after an implantation periinfarct That surrounds an infarct periinfarcted Surrounded by infarcts periinfarction Surrounding an infarction/infarct. periinsular Surrounding an island. periinterventional Surrounding an intervention periintestinal Surrounding the intestines periintraventricular Surrounding and/or within a ventricle periischemic Surrounding an area of ischemia perijove Periapsis around Jupiter. perijunctional That surrounds a junction perikaryal Relating to a perikaryon perikaryon The cell body of a neuron or of an odontoblast. perikaryonic Relating to the perikaryon. perikaryoplasm A zone of granular protoplasm seen in Cobaea scandens in the cytoplasm of the resting pollen mother-cell on its approaching division. Perikhanyan A surname from Armenian. perikinetic Describing any property related to the probability of cohesion during collisions with other bodies perikrone Periapsis around the planet Saturn. perikyma Any of the pits around the long prisms of tooth enamel, indicating the places where enamel-producing cells used to make contact with neighbouring cells. peril A situation of serious and immediate danger. perilabyrinthine Surrounding a labyrinth (of the ear) perilacunar Surrounding a lacuna perilacustrine surrounding a lake perilampid Any parasitic wasp of the family Perilampidae. perilaryngeal Around the larynx. perilenticular Surrounding the lens of the eye perilesional Around a lesion. perilesionally In a perilesional manner periligamentous Around a ligament. perilimbal Around the limbus. periliminal Surrounding an entrance perilingual Around the time that a person acquires language. perilingually Around the time that a person acquires language. perilipin Any of a family of proteins that associate with the surface of lipid droplets, and whose phosphorylation is essential for the mobilization of fats in adipose tissue. perilithon A form of periphyton found on submerged rocks perilla An East Asian herb with flavorful leaves used in cooking and as a garnish, Perilla frutescens. Also grown for the seeds, which contain an edible and industrially-useful oil. perillaldehyde perilla aldehyde: a natural organic compound found most abundantly in the annual herb perilla, but also in a wide variety of other plants and essential oils. It is a monoterpenoid containing an aldehyde functional group. perillartine The oxime of perillaldehyde. perilless Free from peril. Perillo A surname. perillyl The univalent radical derived from perillyl alcohol. perilobar Around a lobe. perilobular That surrounds a lobe perilous Dangerous, full of peril. perilously In a perilous manner. perilousness The quality of being perilous. perilsome Characterised or marked by peril; perilous periluminal Around the lumen. periluminally Around the lumen. perilunate Surrounding the lunate bone perilune The point of an elliptical lunar orbit where the distance between the satellite and the Moon is at its minimum. perilymph An extracellular fluid found in the scala tympani and scala vestibuli of the cochlea. perilymphadenitis inflammation of the tissue surrounding a lymph gland perilymphangial Around, or at the side of, a lymphatic vessel. perilymphatic Pertaining to, or containing, perilymph. perilymphatically In a perilymphatic manner Perim A volcanic island in the Strait of Mandeb at the south entrance into the Red Sea, off the south-west coast of Yemen. perimac Synonym of paroxetine. perimacular Around the macula perimalleolar Around the malleolus. perimammary Surrounding a mammary gland, or surrounding the breast perimammillar perimammillary perimammillary Surrounding a mammillary body perimandibular Around the mandible. perimarginal Around a margin. perimatrix The area surrounding a matrix perimaximal Around a maximum perimedullary Surrounding a medulla (especially the medulla oblongata). perimelasma Synonym of peribothron. perimembrane Surrounding a membrane perimembranous Forming a surrounding membrane perimeningeal Surrounding the meninges perimeningitis Synonym of pachymeningitis. perimenopausal Of, pertaining to, or experiencing perimenopause. perimenopausally Around the time of menopause. perimenopause The physiological stage that women approaching menopause go through when, due to hormonal changes, they progress from their usual pattern of menstruation through a phase of atypical menstruation, and finally cease menstruating. Perimenopause ends when a woman has not menstruated for a year. perimenstrual Around the time of menstruation. perimenstrually Around the time of menstruation. perimenstruation perimenstrual perimesencephalic Surrounding the mesencephalon perimetazine An antipsychotic drug. perimeter The sum of the distance of all the lengths of the sides of an object. perimeterless Without a perimeter. perimetrial Of or relating to the perimetrium perimetric of, relating to or having a perimeter perimetrical of, relating to or having a perimeter perimetrically in a perimetrical manner perimetrist An ophthalmologist whose speciality is perimetry perimetrium The outer serosa layer of the uterus. perimetropolitan Surrounding a metropolis perimetry The measurement of a perimeter. perimicrobial Surrounding a microbe; especially surrounding a bacterium within a higher organism. perimicrovillar Surrounding a microvillus perimidine A tricyclic heterocycle consisting of a dihydri-pyrimidine ring ortho- and peri-fused to naphthalene