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Medical Dictionary - Dictionary of Medicine and Human Biology


Medical Dictionary


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periodontoclasia (per′e-o-don-to-kla′ze-a)
Destruction of periodontal tissues, gingiva, pericementum, alveolar bone, and cementum. SYN: periodontolysis. [periodontium + klasis, breaking]

periodontolysis (per′e-o-don-tol′i-sis)
SYN: periodontoclasia. [periodontium + G. lysis, dissolution]

periodontosis (per′e-o-don-to′sis)
SYN: juvenile periodontitis. [periodontium + G. -osis, condition]

periomphalic (per′e-om-fal′ik)
SYN: periumbilical. [peri- + G. omphalos, umbilicus]

perionychia (per-e-o-nik′e-a)
1. Inflammation of the perionychium. 2. Plural of perionychium.

perionychium, pl .perionychia (per-e-o-nik′e-um, -nik′e-a)
SYN: eponychium (2) . [peri- + G. onyx, nail]

perionyx (per-e-on′iks) [TA]
Remnant of the eponychium remaining in the narrow fold overlapping the proximal part of the lunula found beginning in the eighth month of pregancy and remaining throughout life. [peri- + G. onyx, nail]

perioophoritis (per′e-o-of′o-ri′tis)
Inflammation of the peritoneal covering of the ovary. SYN: periovaritis. [peri- + Mod. L. oophoron, ovary, + -itis, inflammation]

perioophorosalpingitis (per′e-o-of′o-ro-sal-pin-ji′tis)
Inflammation of the peritoneum and other tissues around the ovary and oviduct. SYN: perisalpingoovaritis. [peri- + Mod. L. oophoron, ovary, + salpinx, trumpet, + -itis, inflammation]

perioperative (per-e-op′er-a-tiv)
Around the time of operation. SYN: paraoperative.

periophthalmic (per′e-of-thal′mik)
SYN: circumocular. [peri- + G. ophthalmos, eye]

periophthalmitis (per′e-of-thal-mi′tis)
Inflammation of the tissues surrounding the eye.

perioral (per-e-o′ral)
Around the mouth. SYN: circumoral, peristomal, peristomatous.

periorbit (per-e-or′bit)
SYN: periorbita.

periorbita (per′e-or′bi-ta) [TA]
The periosteum of the orbit. SYN: periorbit, periorbital membrane. [peri- + L. orbita, orbit]

periorbital (per-e-or′bi-tal)
1. Relating to the periorbita. 2. SYN: circumorbital.

periorchitis (per′e-or-ki′tis)
Inflammation of the tunica vaginalis testis. [peri- + G. orchis, testis, + -itis, inflammation] p. hemorrhagica chronic hematocele of the tunica vaginalis testis.

periost (per′e-ost)
SYN: periosteum.

periostea (per-e-os′te-a)
Plural of periosteum.

periosteal (per-e-os′te-al)
Relating to the periosteum. SYN: periosteous.

periosteitis (per′e-os-te-i′tis)
SYN: periostitis.

periosteo-
The periosteum. [Mod. L. periosteum]

periosteoma (per′e-os′te-o′ma)
A neoplasm derived from the periosteum. SYN: periosteophyte, periostoma.

periosteomedullitis (per-e-os′te-o-med-u-li′tis)
SYN: periosteomyelitis. [periosteo- + L. medulla, marrow, + G. -itis, inflammation]

periosteomyelitis (per-e-os′te-o-mi-e-li′tis)
Inflammation of the entire bone, with the periosteum and marrow. SYN: periosteomedullitis. [periosteo- + G. myelos, marrow, + -itis, inflammation]

periosteopathy (par′e-os-te-op′a-the)
Any disease of the periosteum.

periosteophyte (per-e-os′te-o-fit)
SYN: periosteoma. [periosteo- + G. phyton, growth]

periosteosis (per′e-os-te-o′sis)
The formation of a periosteoma. SYN: periostosis.

periosteotome (per′e-os′te-o-tom)
A strong scalpel-shaped knife, for cutting the periosteum. SYN: periostotome.

periosteotomy (per′e-os-te-ot′o-me)
The operation of cutting through the periosteum to the bone. SYN: periostotomy. [periosteo- + G. tome, incision]

periosteous (per-e-os′te-us)
SYN: periosteal.

periosteum, pl .periostea (per-e-os′te-um, -a) [TA]
The thick fibrous membrane covering the entire surface of a bone except its articular cartilage. In young bones, it consists of two layers: an inner cellular layer that is osteogenic, forming new bone tissue, and an outer fibrous connective tissue layer conveying the blood vessels and nerves supplying the bone; in older bones, the osteogenic layer is reduced. SEE ALSO: perichondral bone. SYN: periost. [Mod. L. fr. G. periosteon, ntr. of adj. periosteos, around the bones, fr. peri, around, + osteon, bone] alveolar p., p. alveolare SYN: periodontium. p. cranii [TA] SYN: pericranium.

periostitis (per′e-os-ti′tis)
Inflammation of the periosteum. SYN: periosteitis.

periostoma (per′e-os-to′ma)
SYN: periosteoma.

periostosis, pl .periostoses (per′e-os-to′sis, -sez)
SYN: periosteosis.

periostosteitis (per-e-os′tos-te-i′tis)
Inflammation of a bone with involvement of the periosteum. [periosteum + G. osteon, bone, + -itis, inflammation]

periostotome (per-e-os′to-tom)
SYN: periosteotome.

periostotomy (per-e-os-tot′o-me)
SYN: periosteotomy.

periotic (per′e-o′tik, -ot′ik)
Surrounding the internal ear; referring to the petrous portion of the temporal bone, or the spaces and tissues in the bony labyrinth that surround the membranous labyrinth. [peri- + G. ous, ear]

periovaritis (per′e-o-va-ri′tis)
SYN: perioophoritis.

periovular (per′e-o′vu-lar)
Surrounding the ovum.

peripachymeningitis (per′i-pak′e-men-in-ji′tis)
Inflammation of the area between the dura and bony covering of the central nervous system. [peri- + pachymeninx (dura mater) + G. -itis, inflammation]

peripancreatitis (per′i-pan′kre-a-ti′tis)
Inflammation of the peritoneal coat of the pancreas.

peripapillary (per-i-pap′i-lar-e)
Surrounding a papilla.

peripatetic (per′i-pa-tet′ik)
Walking around; formerly used to describe a patient with “walking” (i.e., mild) typhoid fever. [G. peripatesis, a walking about]

peripenial (per-i-pe′ne-al)
Surrounding the penis.

peripharyngeal (per′i-fa-rin′je-al)
Surrounding the pharynx.

peripherad (pe-rif′e-rad)
In a direction toward the periphery. [G. periphereia, periphery, + L. ad, to]

peripheral (pe-rif′e-ral) [TA]
1. Relating to or situated at the periphery. 2. Situated nearer the periphery of an organ or part of the body in relation to a specific reference point; opposite of central (centralis). SYN: peripheralis [TA] , eccentric (3) .

peripheralis (pe-rif-e-ra′lis) [TA]
SYN: peripheral, peripheral.

peripherin (peri-fer-in)
A glycoprotein that apparently is needed to maintain the shape of the outer segment disk membranes of rods and cones; it is thought by many investigators that a defect in p. is associated with certain types of blindness.

peripherocentral (pe-rif′e-ro-sen′tral)
Relating to both the periphery and the center of the body or any part.

periphery (pe-rif′e-re)
1. The part of a body away from the center; the outer part or surface. 2. SYN: denture border. [G. periphereia, fr. peri, around, + phero, to carry]

periphlebitic (per′i-fle-bit′ik)
Relating to periphlebitis.

periphlebitis (per′i-fle-bi′tis)
Inflammation of the outer coat of a vein or of the tissues surrounding it. [peri- + G. phleps, vein, + -itis, inflammation]

Periplaneta (per-i-pla-ne′ta)
A genus of large cockroaches including several cosmopolitan household pests found wherever food is available, especially in moist protected areas. P. americana (American cockroach), a very large brownish-chestnut species, 30–40 mm long, is probably native to Africa but now universally distributed; P. fuliginosa (the smoky-brown cockroach) is a common household pest in the eastern and southeastern U.S. [peri- + G. planetes, a roamer]

periplasm (per′i-plazm)
The space between the cell membranes and the cell wall, in Gram-negative bacteria; contains proteins secreted by the cell.

periplocin (pe-rip′lo-sin)
A cardiotonic glycoside obtained from the bark and stems of Periploca graeca (family Asclepiadaceae), a plant of southern Europe. [G. peri-ploke, a winding around, fr. pleko, to twine, plait]

peripolar (per-i-po′lar)
Surrounding the pole or poles of any body, or any electric or magnetic poles.

peripolesis (per′i-po-le′sis)
Penetration of migrating cells between fixed tissue cells that are normally in close contact. [peri- + G. poleomai, to wander]

periporitis (per′i-po-ri′tis)
Miliary papules and papulovesicles with staphylococcic infection; most frequently on the face and in infants. [peri- + G. poros, pore, + -itis, inflammation]

periportal (per-i-por′tal)
Surrounding the portal vein. SYN: peripylic.

periproctic (per′e-prok′tik)
SYN: circumanal. [peri- + G. proktos, anus]

periproctitis (per′i-prok-ti′tis)
Inflammation of the areolar tissue about the rectum. SYN: perirectitis.

periprostatic (per′i-pros-tat′ik)
Surrounding the prostate.

periprostatitis (per′i-pros-ta-ti′tis)
Obsolete term for inflammation of the tissues surrounding the prostate.

peripylephlebitis (per-i-pi′le-fle-bi′tis)
Inflammation of the tissues around the portal vein. [peri- + G. pyle, gate, + phleps, vein, + -itis, inflammation]

peripylic (per-i-pi′lik)
SYN: periportal. [peri- + G. pyle, portal, gate]

peripyloric (per′i-pi-lor′ik, -pe-lor′ik)
Surrounding the pylorus.

perirectal (per′i-rek′tal)
Surrounding the rectum.

perirectitis (per′i-rek-ti′tis)
SYN: periproctitis.

perirenal (per′i-re′nal)
SYN: perinephric. [peri- + L. ren, kidney]




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