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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

periodontal index
A numerical rating scale for classifying the periodontal status of a person or population with a single figure which takes into consideration prevalence as well as severity of the condition. It is based upon probe measurement of periodontal pockets and on gingival tissue status. ... (12 Dec 1998) ...

periodontal ligament
<anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. ... (12 Dec 1998) ...

periodontal ligament fibres
The collagen fibre's, running from the cementum to the alveolar bone, that suspend a tooth in its socket; they include apical, oblique, horizontal, and alveolar crest fibre's, indicating that the orientation of the fibre's varies at different levels. ... (05 Mar 2000) ...

periodontal membrane
Synonym for periodontal ligament ... <anatomy> Fibrous connective tissue surrounding the root of a tooth that separates it from and attaches it to the alveolar bone. ... (12 Dec 1998) ...

periodontal pocket
An abnormal extension of a gingival sulcus accompanied by the apical migration of the epithelial attachment and bone resorption. ... (12 Dec 1998) ...

periodontal probe
A calibrated instrument used to measure the depth and topography of periodontal pockets. ... (05 Mar 2000) ...

periodontal prosthesis
Any restorative and replacement device that is used as a therapeutic aid in the treatment of periodontal disease. It is an adjunct to other forms of periodontal therapy and does not cure periodontal disease by itself. (boucher's clinical dental terminology, 3d ed) ... (12 Dec 1998) ...

periodontia
1. Plural of periodontium. ... Synonym: periodontics. ... (05 Mar 2000) ...

periodontics
A dental specialty concerned with the histology, physiology, and pathology of the tissues that support, attach, and surround the teeth, and of the treatment and prevention of disease affecting these tissues. ... (12 Dec 1998) ...

periodontist
<specialist> A dentist who specialises in the treatment of gum disease. ... (08 Jan 1998) ...

periodontist (perio)
<dentistry> A dentist who specialises in the treatment of diseases of your gums. ... (05 Mar 2000) ...

periodontitis
Gum disease, gingivitis. ... (12 Dec 1998) ...

periodontitis complex
Vertical resorption of the alveolar process with pockets of uneven depth on adjacent teeth, and with traumatic occlusion as a factor. ... (05 Mar 2000) ...

periodontitis simplex
Horizontal resorption of the alveolar process with pockets of even depth on adjacent teeth; traumatic occlusion is not a factor. ... (05 Mar 2000) ...

periodontitis, juvenile
Localised periodontitis in teenagers and young adults. The onset is during the circumpubertal period but the diagnosis can be made beyond puberty. Lesions are confined predominantly to the first permanent molars or incisors and the distribution of lesions is usually symmetrical. The gingiva may appear normal. The lesions are highly active immediate …

periodontium
Synonym: periodontal ligament. ... Origin: L. Fr. Peri-+ G. Odous, tooth ... (05 Mar 2000) ...

periodontoclasia
Destruction of periodontal tissues, gingiva, pericementum, alveolar bone, and cementum. ... Synonym: periodontolysis. ... Origin: periodontium + klasis, breaking ... (05 Mar 2000) ...

periodontolysis
Synonym: periodontoclasia. ... Origin: periodontium + G. Lysis, dissolution ... (05 Mar 2000) ...

periodontosis
Synonym: juvenile periodontitis. ... Origin: periodontium + G. -osis, condition ... (05 Mar 2000) ...

periodoscope
A table or other means for calculating the periodical functions of women. ... (30 Mar 1998) ...

periomphalic
Synonym: periumbilical. ... Origin: peri-+ G. Omphalos, umbilicus ... (05 Mar 2000) ...

perionychia
1. Inflammation of the perionychium. ... Synonym: perionyxis. ... 2. Plural of perionychium. ... (05 Mar 2000) ...

perionychium
Synonym: eponychium. ... Origin: peri-+ G. Onyx, nail ... (05 Mar 2000) ...

perionyx
Remnant of the eponychium remaining in the narrow fold overlapping the proximal part of the lunula found beginning in the 8th month of pregancy and remaining throughout life. ... Origin: peri-+ G. Onyx, nail ... (05 Mar 2000) ...

perionyxis
Synonym for perionychia ... 1. Inflammation of the perionychium. ... Synonym: perionyxis. ... 2. Plural of perionychium. ... (05 Mar 2000) ...

perioophoritis
Inflammation of the peritoneal covering of the ovary. ... Synonym: periovaritis. ... Origin: peri-+ Mod. L. Oophoron, ovary, + -itis, inflammation ... (05 Mar 2000) ...

perioophorosalpingitis
Inflammation of the peritoneum and other tissues around the ovary and oviduct. ... Synonym: perisalpingo-ovaritis. ... Origin: peri-+ Mod. L. Oophoron, ovary, + salpinx, trumpet, + -itis, inflammation ... (05 Mar 2000) ...

perioperative
<surgery> Pertaining to the period extending from the time of hospitalisation for surgery to the time of discharge. ... (30 Mar 1998) ...

perioperative care
Interventions to provide care prior to, during, and immediately after surgery. ... (12 Dec 1998) ...

perioperative nursing
Nursing care of the surgical patient before, during, and after surgery. ... (12 Dec 1998) ...

periophthalmic
Synonym: circumocular. ... Origin: peri-+ G. Ophthalmos, eye ... (05 Mar 2000) ...

periophthalmitis
Inflammation of the tissues surrounding the eye. ... (05 Mar 2000) ...

perioplic band
A narrow band of corium and underlying tela subcutanea proximal to the coronary band at the top of the hoof; the periople develops from it. ... (05 Mar 2000) ...

perioral
<anatomy> Situated or occurring around the mouth. ... Origin: L. Os = mouth ... (18 Nov 1997) ...

periorbit
Synonym for periorbita ... The periosteum of the orbit. ... Synonym: periorbit, periorbital membrane. ... Origin: peri-+ L. Orbita, orbit ... (05 Mar 2000) ...

periorbita
The periosteum of the orbit. ... Synonym: periorbit, periorbital membrane. ... Origin: peri-+ L. Orbita, orbit ... (05 Mar 2000) ...

periorbital
Situated around the orbit or eye socket. ... (18 Nov 1997) ...

periorbital membrane
Synonym for periorbita ... The periosteum of the orbit. ... Synonym: periorbit, periorbital membrane. ... Origin: peri-+ L. Orbita, orbit ... (05 Mar 2000) ...

periorchitis
Inflammation of the tunica vaginalis testis. ... Origin: peri-+ G. Orchis, testis, + -itis, inflammation ... Periorchitis haemorrhagica, chronic haematocele of the tunica vaginalis testis. ... (05 Mar 2000) ...

periostea
Plural of periosteum. ... (05 Mar 2000) ...

periosteal bone
Synonym for perichondral bone ... In the development of a long bone a collar or cuff of osseous tissue forms in the perichondrium of the cartilage model; the connective tissue membrane of this perichondral bone then becomes periosteum. ... Synonym: periosteal bone. ... (05 Mar 2000) ...

periosteal bud
A vascular connective tissue bud from the perichondrium that invades the ossification centre of the cartilaginous model of a developing long bone. ... (05 Mar 2000) ...

periosteal chondroma
<tumour> A chondroma that develops from periosteum or periosteal connective tissue. ... Synonym: juxtacortical chondroma. ... (05 Mar 2000) ...

periosteal elevator
An instrument used for separating the periosteum from the bone. ... Synonym: rugine. ... (05 Mar 2000) ...

periosteal ganglion
A flattened subperiosteal cavity containing clear, yellow, viscous, synovial-like fluid. ... (05 Mar 2000) ...

periosteal graft
A graft of periosteum, usually placed on bare bone. ... (05 Mar 2000) ...

periosteal implantation
Insertion of a normal tendon into a periosteum as part of a tendon transplantation operation. ... (05 Mar 2000) ...

periosteal layer of dura mater
See: dura mater of brain. ... (05 Mar 2000) ...

periosteal osteosarcoma
<tumour> Chondroblastic osteosarcoma occurring on the surface of bones without involvement of the marrow; usually presents in adolescents and young adults as a lucent defect with bone spicules extending into soft tissues. Histologically, the tumour is intermediate to high grade, and the cartilage is lobulated. ... (05 Mar 2000) ...

periosteal reaction
<radiology> In adults: hypertrophic osteoarthropathy (HOA), pachydermoperiostosis, vascular insufficiency, thyroid acropachy, fluorosis in kids: physiologic periostosis, Caffey disease, JRA, acute leukaemia, scurvy, rickets, congenital syphilis, hypervitaminosis A ... (12 Dec 1998) ...

periosteal reaction patterns
<radiology> Pattern most indicative of buttressing eosinophilic granuloma laminated Ewing sarcoma or hair-on-end Codman triangle osteo- or chondrosarcoma or sunburst (per Resnick) ... (12 Dec 1998) ...

periosteal reflex
A muscular contraction in the arm following a tap on the radius or ulna. ... (05 Mar 2000) ...

periosteal sarcoma
Synonym for juxtacortical osteogenic sarcoma ... <tumour> A form of osteogenic sarcoma of relatively low malignancy, probably arising from the periosteum and initially involving cortical bone and adjacent connective tissue, which occurs in middle-aged as well as young adults and most commonly affects the lower part of the femoral shaft. ... Syn …

periosteo-
The periosteum. ... Origin: Mod. L. Periosteum ... (05 Mar 2000) ...

periosteoma
<tumour> A neoplasm derived from the periosteum. ... Synonym: periosteophyte, periostoma. ... (05 Mar 2000) ...

periosteomedullitis
Synonym: periosteomyelitis. ... Origin: periosteo-+ L. Medulla, marrow, + G. -itis, inflammation ... (05 Mar 2000) ...

periosteomyelitis
Inflammation of the entire bone, with the periosteum and marrow. ... Synonym: periosteomedullitis. ... Origin: periosteo-+ G. Myelos, marrow, + -itis, inflammation ... (05 Mar 2000) ...

periosteopathy
Any disease of the periosteum. ... (05 Mar 2000) ...

periosteophyte
Synonym: periosteoma. ... Origin: periosteo-+ G. Phyton, growth ... (05 Mar 2000) ...

periosteoplastic amputation
Synonym for subperiosteal amputation ... Amputation in which the periosteum is stripped back from the bone and replaced afterward, forming a periosteal flap over the cut end. ... Synonym: periosteoplastic amputation. ... (05 Mar 2000) ...

periosteosis
The formation of a periosteoma. ... Synonym: periostosis. ... (05 Mar 2000) ...

periosteotome
A strong scapel-shaped knife, for cutting the periosteum. ... Synonym: periostotome. ... (05 Mar 2000) ...

periosteotomy
<procedure> The operation of cutting through the periosteum to the bone. ... Synonym: periostotomy. ... Origin: periosteo-+ G. Tome, incision ... (05 Mar 2000) ...

periostoma
Synonym for periosteoma ... <tumour> A neoplasm derived from the periosteum. ... Synonym: periosteophyte, periostoma. ... (05 Mar 2000) ...

periostosis
Synonym for periosteosis ... The formation of a periosteoma. ... Synonym: periostosis. ... (05 Mar 2000) ...

periostosteitis
Inflammation of a bone with involvement of the periosteum. ... Origin: periosteum + G. Osteon, bone, + -itis, inflammation ... (05 Mar 2000) ...

periostotome
Synonym for periosteotome ... A strong scapel-shaped knife, for cutting the periosteum. ... Synonym: periostotome. ... (05 Mar 2000) ...

periostotomy
Synonym for periosteotomy ... <procedure> The operation of cutting through the periosteum to the bone. ... Synonym: periostotomy. ... Origin: periosteo-+ G. Tome, incision ... (05 Mar 2000) ...

periotic bone
Synonym for petrous part of temporal bone ... The part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification centre. ... Synonym: pars petrosa ossis temporalis, periotic bone, petrosal bone, petrous pyramid. ... (05 Mar 2000) ...

periotic cartilage
A cartilaginous mass on either side of the chondrocranium surrounding the developing auditory vesicle in the foetus; the otic capsule in its early cartilaginous stage. ... (05 Mar 2000) ...

periovaritis
Synonym for perioophoritis ... Inflammation of the peritoneal covering of the ovary. ... Synonym: periovaritis. ... Origin: peri-+ Mod. L. Oophoron, ovary, + -itis, inflammation ... (05 Mar 2000) ...

periovular
Surrounding the ovum. ... (05 Mar 2000) ...

peripachymeningitis
Inflammation of the area between the dura and bony covering of the central nervous system. ... Origin: peri-+ pachymeninx (dura mater) + G. -itis, inflammation ... (05 Mar 2000) ...

peripancreatitis
Inflammation of the peritoneal coat of the pancreas. ... (05 Mar 2000) ...

peripapillary
Surrounding a papilla. ... (05 Mar 2000) ...

peripartum cardiomyopathy
Cardiac failure due to heart muscle disease in the period before, during, or after delivery. ... (05 Mar 2000) ...

peripatetic
Walking around; formerly used to describe a patient with 'walking' typhoid fever. ... Origin: G. Peripatesis, a walking about ... (05 Mar 2000) ...

peripenial
Surrounding the penis. ... (05 Mar 2000) ...

peripharyngeal
Surrounding the pharynx. ... (05 Mar 2000) ...

peripharyngeal space
The space, filled with loose areolar tissue, around the pharynx; it is divided into two portions, lateral pharyngeal spatium and retropharyngeal spatium. ... Synonym: spatium peripharyngeum. ... (05 Mar 2000) ...

peripherad
In a direction toward the periphery. ... Origin: G. Periphereia, periphery, + L. Ad, to ... (05 Mar 2000) ...

peripheral
<anatomy> Pertaining to or situated at or near the periphery, situated away from a centre or central structure. ... (18 Nov 1997) ...

peripheral aneurysm
A saclike aneurysm springing from one side of an artery, an aneurysm of one of the smaller branches of an artery. ... (05 Mar 2000) ...

peripheral anterior synechia
Synonym for goniosynechia ... Adhesion of the iris to the posterior surface of the cornea in the angle of the anterior chamber; associated with angle-closure glaucoma. ... Synonym: peripheral anterior synechia. ... Origin: G. Gonia, angle, + synechis, holding together ... (05 Mar 2000) ...

peripheral arteriosclerosis
Arteriosclerosis in any of the vessels beyond the aorta; most often refers to the lower extremities. ... (05 Mar 2000) ...

peripheral cataract
Synonym for cortical cataract ... A cataract in which the opacity affects the cortex of the lens. ... Synonym: peripheral cataract. ... (05 Mar 2000) ...

peripheral chemoreceptor
The chemoreceptor's in the carotid and aortic bodies that are stimulated by chemical changes in the composition of the blood such as hypoxia. ... (05 Mar 2000) ...

peripheral dysostosis
Dysostosis of the metacarpals and metatarsals, accompanied by variable facial features; possibly autosomal dominant inheritance. ... (05 Mar 2000) ...

peripheral facial paralysis
Synonym for Bell's palsy ... A condition that involves the facial nerve (VII cranial nerve) and results in the paralysis of one side of the face. Bell's (facial nerve palsy) can be differentiated from a central (stroke) deficit by the inability to raise the eyebrow on the affected side. ... (27 Sep 1997) ...

peripheral glare
Glare occurring when the surrounding brightness is greater than the brightness of the object of attention. ... (05 Mar 2000) ...

peripheral lymphoid tissue
Secondary lymphoid tissue, not necessarily located peripherally. ... See: lymphoid tissue. ... (18 Nov 1997) ...

peripheral membrane protein
<protein> Membrane proteins that are bound to the surface of the membrane and not integrated into the hydrophobic region. Usually soluble and were originally thought to bind to integral proteins by ionic and other weak forces (and could therefore be removed by high ionic strength, for example). However, it is now clear that some peripheral me …

peripheral nerves
The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. The connective tissue layers include, from the outside to the inside, the epineurium, the perineurium, and the endoneurium. ... (12 Dec 1998) ...

peripheral nervous system
One of the two major divisions of the nervous system. Nerves in the PNS connect the central nervous system (CNS) with sensory organs, other organs, muscles, bloodvessels and glands. ... (22 May 1997) ...

peripheral nervous system agents
Drugs that act principally at one or more sites within the peripheral neuroeffector systems, the autonomic system, and motor nerve-skeletal system. ... (12 Dec 1998) ...

peripheral nervous system diseases
Diseases of the peripheral nervous system, including disorders of the peripheral autonomic system, the cranial nerves, and the spinal nerves and roots, but not including neuromuscular and spinal cord diseases. ... (12 Dec 1998) ...

peripheral neuropathy
<neurology> Injury to the nerves that supply sensation to the arms and legs. ... Origin: Gr. Pathos = disease ... (16 Dec 1997) ...

peripheral ossifying fibroma
A reactive focal gingival overgrowth derived histogenetically from cells of the periodontal ligament and usually developing in response to local irritants (plaque and calculus) on associated teeth; consists microscopically of a hyperplastic cellular fibrous stroma supporting deposits of bone, cementum, or dystrophic calcification. ... (05 Mar 2000)< …

peripheral protein
<protein> A water-soluble protein that is loosely bound (by hydrogen bonds orelectrostatic forces) to a membrane. ... (09 Oct 1997) ...

peripheral proteins
Pathways that can be easily removed from a biomembrane (e.g., by altering the pH or the ionic strength). ... Synonym: extrinsic proteins. ... (05 Mar 2000) ...