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

parent material
<ecology> The unconsolidated and more or less weathered mineral or organic matter from which the soil profile is developed. ... (09 Oct 1997) ...

parent-child relations
The interactions between parent and child. ... (12 Dec 1998) ...

parental generation
The parents of a mating, commonly experimental, involving contrasting genotypes; the original mating of a genetic experiment; parents of the F1 generation. ... (05 Mar 2000) ...

parental leave
The authorised absence from work of either parent prior to and after the birth of their child. It includes also absence because of the illness of a child or at the time of the adoption of a child. It does not include leave for care of siblings, parents, or other family members: for this family leave is available. ... (12 Dec 1998) ...

parental rejection
Withholding of affection from or denial of attention to one's child. ... Child's withholding of affection from its parent. ... (05 Mar 2000) ...

parenteral
<pharmacology> Not through the alimentary canal but rather by injection through some other route, as subcutaneous, intramuscular, intraorbital, intracapsular, intraspinal, intrasternal, intravenous, etc. ... Origin: Gr. Enteron = intestine ... (18 Nov 1997) ...

parenteral absorption
Absorption by any route other than the alimentary tract. ... (05 Mar 2000) ...

parenteral nutrition
<gastroenterology, pharmacology> A method of delivering nutrition or other substances directly into a vein. ... Fluids given usually include salt (saline), glucose, amino acids, electrolytes, vitamins and medications. ... (16 Dec 1997) ...

parenteral nutrition, home
The at-home administering of nutrients for assimilation and utilization by a patient who cannot maintain adequate nutrition by enteral feeding alone. Nutrients are administered via a route other than the alimentary canal (e.g., intravenously, subcutaneously). ... (12 Dec 1998) ...

parenteral nutrition, home total
The at-home administering of nutrients for assimilation and utilization by a patient whose sole source of nutrients is via solutions administered intravenously, subcutaneously or by some other non-alimentary route. ... (12 Dec 1998) ...

parenteral nutrition, total
The delivery of nutrients for assimilation and utilization by a patient whose sole source of nutrients is via solutions administered intravenously, subcutaneously, or by some other non-alimentary route. The basic components of tpn solutions are protein hydrolysates or free amino acid mixtures, monosaccharides, and electrolytes. Components are selec …

parenteral therapy
Therapy introduced usually by a needle through some other route than the alimentary canal. ... (05 Mar 2000) ...

parenteric fever
One of a group of fever's clinically resembling typhoid and paratyphoid A and B, but caused by bacteria differing specifically from those of either of these diseases. ... (05 Mar 2000) ...

parenthesome
<plant biology> Structure shaped rather like a parenthesis, found on either side of pores in the septum of a basidiomycete fungus. More logically called septal pore caps. ... Origin: Gr. Soma = body ... (18 Nov 1997) ...

parenting
Performing the role of a parent by care-giving, nurturance, and protection of the child by a natural or substitute parent. The parent supports the child by exercising authority and through consistent, empathic, appropriate behaviour in response to the child's needs. Parenting differs from child rearing in that in child rearing the emphasis is on th …

parents
Persons functioning as natural, adoptive, or substitute parents. The heading includes the concept of parenthood as well as preparation for becoming a parent. ... (12 Dec 1998) ...

parepicele
The lateral recess of the fourth ventricle of the brain. ... Origin: para-+ G. Epi, upon, + koilia, a hollow ... (05 Mar 2000) ...

parepithymia
A morbid longing; an abnormal desire or craving. ... Origin: para-+ G. Epithymia, desire ... (05 Mar 2000) ...

parerethisis
Abnormal or morbid excitement. ... Origin: para-+ G. Erethizo, to excite ... (05 Mar 2000) ...

parergasia
An obsolete term for schizophrenia. ... Origin: para-+ G. Ergasia, work ... (05 Mar 2000) ...

paresis
<neurology> Slight or incomplete paralysis. ... Origin: Gr. = relaxation ... (18 Nov 1997) ...

paresis, general
A part of late ( tertiary ) syphilis a decade or more after the initial infection, due to chronic inflammation of the covering and substance of the brain (meningoencephalitis) which results in progressive dementia and generalised paralysis. ... (12 Dec 1998) ...

paresthesia
<neurology> Abnormal neurological sensations which include: numbness, tingling, burning, prickling and hyperesthesia (increased sensitivity). Any abnormality of sensation. ... (16 Dec 1997) ...

paresthetic
Relating to or marked by paresthesia; denoting numbness and tingling in an extremity which usually occurs on the resumption of the blood flow to a nerve following temporary pressure or mild injury. ... (05 Mar 2000) ...

paretic
Relating to or suffering from paresis. ... (05 Mar 2000) ...

paretic impotence
Impotence caused by a lesion of the nervous system. ... (05 Mar 2000) ...

paretic neurosyphilis
Syphilitic infection manifested as dementia (often with delusional features), dysarthria, seizures, myoclonic jerks, action tremor, impaired walking and standing, pupillary abnormalities, and abnormal CSF findings. ... Synonym: chronic progressive syphilitic meningoencephalitis. ... (05 Mar 2000) ...

pareunia
Synonym: coitus. ... Origin: G. Pareunos, lying beside, fr. Para, beside, + eune, a bed ... (05 Mar 2000) ...

parfocal objectives
<microscopy> Objectives which are mounted so that only a small adjustment of the bodytube and stage is necessary to focus after changing from one objective to any of the others. They are mounted in such a way that the back focal plane is in the same position on the optical axis of the microscope for each objective. Objectives used on a rotati …

pargyline
<chemical> A monoamine oxidase inhibitor with antihypertensive properties. ... Pharmacological action: antihypertensive agents, monoamine oxidase inhibitors. ... Chemical name: Benzenemethanamine, N-methyl-N-2-propynyl- ... (12 Dec 1998) ...

pargyline hydrochloride
N-Methyl-N-(2-propynyl)-benzylamine hydrochloride;a nonhydrazine monoamine oxidase inhibitor, used as an antihypertensive agent. ... (05 Mar 2000) ...

pariah
1. One of an aboriginal people of Southern India, regarded by the four castes of the Hindoos as of very low grade. They are usually the serfs of the Sudra agriculturalists. See Caste. ... 2. An outcast; one despised by society. Pariah dog, a species of kite (Milvus govinda) which acts as a scavenger in India. ... Origin: From Tamil paraiyan, pl. Para …

paridrosis
Any derangement of perspiration. ... Synonym: parahidrosis. ... Origin: para-+ G. Hidrosis, sweating ... (05 Mar 2000) ...

paries anterior gastris
Synonym for anterior wall of stomach ... The part of the gastric wall that faces the peritoneal cavity. ... Synonym: paries anterior gastris. ... (05 Mar 2000) ...

paries anterior vaginae
Synonym for anterior wall of vagina ... It is somewhat shorter than the posterior wall and at its upper end is penetrated by the cervix of the uterus. ... Synonym: paries anterior vaginae. ... (05 Mar 2000) ...

paries caroticus cavi tympani
Synonym for anterior wall of tympanic cavity ... It contains the carotid canal and the opening of the auditory tube. ... Synonym: paries caroticus cavi tympani, anterior wall of middle ear, carotid wall of middle ear. ... (05 Mar 2000) ...

paries externus ductus cochlearis
Synonym for external wall of cochlear duct ... The wall that faces the outer side of the cochlea. ... Synonym: paries externus ductus cochlearis. ... (05 Mar 2000) ...

paries inferior orbitae
Synonym for floor of orbit ... The floor of the orbit; the shortest of the four walls of the orbit, sloping upward from the orbital margin; it is comprised of the maxilla and orbital process of the palatine bone. ... Synonym: paries inferior orbitae, inferior wall of orbit. ... (05 Mar 2000) ...

paries jugularis cavi tympani
Synonym for floor of tympanic cavity ... The floor of the tympanic cavity; a thin plate of bone separating the tympanic cavity from the jugular fossa. ... Synonym: paries jugularis cavi tympani, fundus tympani, inferior wall of tympanic cavity, jugular wall of middle ear. ... (05 Mar 2000) ...

paries labyrinthicus cavi tympani
Synonym for medial wall of tympanic cavity ... A bony layer separating the middle from the internal ear or labyrinth; it contains the fenestra vestibuli and the fenestra cochleae. ... Synonym: paries labyrinthicus cavi tympani, labyrinthine wall of middle ear, medial wall of middle ear. ... (05 Mar 2000) ...

paries lateralis orbitae
Synonym for lateral wall of orbit ... A triangular wall of the orbit formed by the zygomatic bone, the greater wing of the sphenoid bone, and a small part of the frontal bone; posteriorly it is bounded by the superior and inferior orbital fissures. ... Synonym: paries lateralis orbitae. ... (05 Mar 2000) ...

paries mastoideus cavi tympani
Synonym for posterior wall of tympanic cavity ... It contains the opening into the mastoid antrum. ... Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. ... (05 Mar 2000) ...

paries medialis orbitae
Synonym for medial wall of orbit ... The thin, rectangular wall of the orbit formed by the orbital plate of the ethmoid, lacrimal, frontal and a small part of the sphenoid bones; the fossa for the lacrimal sac lies at its anterior limit. ... Synonym: paries medialis orbitae. ... (05 Mar 2000) ...

paries membranaceus cavi tympani
Synonym for lateral wall of tympanic cavity ... The wall formed mainly by the tympanic membrane. ... Synonym: paries membranaceus cavi tympani, lateral wall of middle ear, membranous wall of middle ear. ... (05 Mar 2000) ...

paries membranaceus tracheae
Synonym for membranous wall of trachea ... The part of the tracheal wall posteriorly that is not reinforced by tracheal cartilages. ... Synonym: paries membranaceus tracheae. ... (05 Mar 2000) ...

paries posterior gastris
Synonym for posterior wall of stomach ... That part of the gastric wall that faces the omental bursa. ... Synonym: paries posterior gastris. ... (05 Mar 2000) ...

paries posterior vaginae
Synonym for posterior wall of vagina ... It is longer than the anterior wall and has a low ridge in the midline throughout most of its length. ... Synonym: paries posterior vaginae. ... (05 Mar 2000) ...

paries tegmentalis cavi tympani
Synonym for roof of tympanic cavity ... The superior wall, or roof, of the tympanic cavity, formed by the tegmen tympani of the temporal bone. ... Synonym: paries tegmentalis cavi tympani, tegmental wall of middle ear. ... (05 Mar 2000) ...

paries tympanicus ductus cochlearis
Synonym for tympanic wall of cochlear duct ... The wall that separates the cochlear duct from the scala tympani; it consists of the osseous spiral lamina and the basilar membrane. ... Synonym: paries tympanicus ductus cochlearis, membrana spiralis, spiral membrane. ... (05 Mar 2000) ...

parietal
1. <anatomy> Of or pertaining to the walls of a cavity. ... 2. Pertaining to or located near the parietal bone, as the parietal lobe. ... (18 Nov 1997) ...

parietal angle
An angle formed by the meeting of the prolongation of two lines tangential to the most prominent part of the zygomatic arch and to the parietofrontal suture on each side; when the lines remain parallel the angle is zero; when they diverge it is negative. ... Synonym: Quatrefages' angle. ... (05 Mar 2000) ...

parietal arteries
Branches of the terminal part of the middle cerebral artery, divided into two branches: anterior parietal artery and posterior parietal artery. ... Synonym: arteriae parietales. ... (05 Mar 2000) ...

parietal bone
The side bone of the skull. ... (12 Dec 1998) ...

parietal border
Edge of a bone which articulates with the parietal bone. ... See: parietal border of frontal bone, parietal border of sphenoid bone, parietal border of temporal bone. ... Synonym: margo parietalis, parietal margin. ... (05 Mar 2000) ...

parietal border of frontal bone
The margin of the frontal bone that articulates with the parietal bone. ... Synonym: margo parietalis ossis frontalis. ... (05 Mar 2000) ...

parietal border of sphenoid bone
The margin of the greater wing of the sphenoid that articulates with the parietal bone. ... Synonym: margo parietalis ossis sphenoidalis. ... (05 Mar 2000) ...

parietal border of temporal bone
The border of the squamous part of the temporal bone that articulates with the parietal bone. ... Synonym: margo parietalis ossis temporalis. ... (05 Mar 2000) ...

parietal branch
Branches coursing in relationship to and supplying the parietal bone or parietal lobe of cerebrum, branches distributed to the body wall and limbs (the 'parities') as opposed to visceral branches distributed to the body cavities. For example, the gray rami communicantes are the parietal branches of the sympathetic trunks (vs. The splanchnic nerves, …

parietal cell
One of the cell's of the gastric glands; it lies upon the basement membrane, covered by the chief cell's, and secretes hydrochloric acid that reaches the lumen of the gland through fine intracellular and intercellular canals (canaliculi). ... Synonym: acid cell, oxyntic cell. ... (05 Mar 2000) ...

parietal cells, gastric
Cells of the gastric glands which secrete hydrochloric acid and intrinsic factor. ... (12 Dec 1998) ...

parietal eminence
A prominent portion of the parietal bone, a little above the centre of its external surface, usually corresponding to the point of maximum width of the head. ... Synonym: tuber parietale, eminentia parietalis, parietal tuber. ... (05 Mar 2000) ...

parietal emissary vein
<anatomy, vein> The vein that connects the superior sagittal sinus with the tributaries of the superficial temporal vein and other veins of the scalp. ... Synonym: vena emissaria parietalis, emissarium parietale, Santorini's vein. ... (05 Mar 2000) ...

parietal eye
Synonym for pineal eye ... A non-image-forming, photoreceptive eye in or near the median line in certain crustacea and lower vertebrates; homologue of pineal gland in higher forms. ... Synonym: epiphysial eye, parietal eye. ... (05 Mar 2000) ...

parietal fistula
A fistula, either blind or complete, opening on the wall of the thorax or abdomen. ... Synonym: thoracic fistula. ... (05 Mar 2000) ...

parietal foramen
An inconstant foramen in the parietal bone occasionally found bilaterally near the sagittal margin posteriorly; when present it transmits an emissary vein to the superior sagittal sinus. ... Synonym: foramen parietale. ... (05 Mar 2000) ...

parietal hernia
A hernia in which only a portion of the wall of the intestine is engaged. ... Synonym: Littre's hernia, partial enterocele, Richter's hernia. ... (05 Mar 2000) ...

parietal layer
The outer layer of an enveloping sac or bursa, usually lining the walls of the cavity or space occupied by the enveloped structure, the structure itself being covered with the inner or visceral layer of the enveloping sac; an actual or potential space is enclosed by the two layers and intervenes between parietal and visceral layers. The parietal la …

parietal layer of leptomeninges
Synonym for arachnoid ... Like a cobweb, covered with or consisting of soft fibres or hairs so entangled as to give a cobwebby appearance. ... (09 Oct 1997) ...

parietal layer of tunica vaginalis
The outer part of the tunica vaginalis testis supported by the internal spermatic fascia. ... Synonym: lamina parietalis tunicae vaginalis testis. ... (05 Mar 2000) ...

parietal lobe
Part of the brain and specifically a section of thecerebral hemisphere. ... (12 Dec 1998) ...

parietal lobe epilepsy
A localization-related epilepsy where seizures originate within the parietal lobe. Seizure semiology may involve abnormalities of sensation. ... (05 Mar 2000) ...

parietal lobe of cerebrum
The middle portion of each cerebral hemisphere, separated from the frontal lobe by the central sulcus, from the temporal lobe by the lateral sulcus in front and an imaginary line projected posteriorly, and from the occipital lobe only partially by the parieto-occipital sulcus on its medial aspect. ... Synonym: lobus parietalis cerebri, parietal lobe …

parietal lymph nodes
The lymph nodes draining the walls of the abdomen or of the pelvis. ... Synonym: nodi lymphatici parietales, parietal nodes. ... (05 Mar 2000) ...

parietal margin
Synonym for parietal border ... Edge of a bone which articulates with the parietal bone. ... See: parietal border of frontal bone, parietal border of sphenoid bone, parietal border of temporal bone. ... Synonym: margo parietalis, parietal margin. ... (05 Mar 2000) ...

parietal nodes
Synonym for parietal lymph nodes ... The lymph nodes draining the walls of the abdomen or of the pelvis. ... Synonym: nodi lymphatici parietales, parietal nodes. ... (05 Mar 2000) ...

parietal notch
The angle posteriorly between the squamous and petrous parts of the temporal bone. ... Synonym: incisura parietalis. ... (05 Mar 2000) ...

parietal pelvic fascia
Including the obturator fascia, covers the muscles that pass from the interior of the pelvis to the thigh. ... Synonym: fascia pelvis parietalis. ... (05 Mar 2000) ...

parietal plate
The outer of the two layers of the lateral plate mesoderm, which becomes associated with the ectoderm; the ectoderm and parietal plate mesoderm together constitute the somatopleure, the lamina of the ethmoid bone that forms the nasal septum. ... (05 Mar 2000) ...

parietal pleura
That which lines the different parts of the wall of the pleural cavity; called costal, diaphragmatic, and mediastinal, according to the parts invested. ... Synonym: pleura parietalis. ... (05 Mar 2000) ...

parietal region
The surface region of the head corresponding to the outlines of the underlying parietal bone. ... Synonym: regio parietalis capitis. ... (05 Mar 2000) ...

parietal thrombus
An arterial thrombus adhering to one side of the wall of the vessel. ... See: mural thrombus. ... (05 Mar 2000) ...

parietal tuber
Synonym for parietal eminence ... A prominent portion of the parietal bone, a little above the centre of its external surface, usually corresponding to the point of maximum width of the head. ... Synonym: tuber parietale, eminentia parietalis, parietal tuber. ... (05 Mar 2000) ...

parietal veins
The superficial veins draining the parietal cerebral cortex and emptying into the superior sagittal sinus. ... Synonym: venae parietales. ... (05 Mar 2000) ...

parietal wall
The body wall or the somatopleure from which it is formed. ... (05 Mar 2000) ...

parieto-
<anatomy, prefix> A combining form used to indicate connection with, or relation to, the parietal bones or the parietal segment of the skull; as, the parieto-mastoid suture. ... (29 Oct 1998) ...

parieto-occipital
Relating to the parietal and occipital bones or to the parts of the cerebral cortex corresponding thereto. ... (05 Mar 2000) ...

parieto-occipital artery
<anatomy, artery> The largest cortical branch of the pericallosal artery supplying the medial and superolateral surface of the parietal lobe posterior to the paracentral lobule; rarely does it extend to supply part of the occipital lobe. ... Synonym: arteria parieto-occipitalis, superior internal parietal artery. ... (05 Mar 2000) ...

parieto-occipital fissure
Synonym for parieto-occipital sulcus ... A very deep, almost vertically oriented fissure on the medial surface of the cerebral cortex, marking the border between the parietal lobe and the cuneus of the occipital lobe; its lower part curves forward and fuses with the anterior extent of the calcarine fissure (sulcus calcarinus); the great depth of thi …

parieto-occipital sulcus
A very deep, almost vertically oriented fissure on the medial surface of the cerebral cortex, marking the border between the parietal lobe and the cuneus of the occipital lobe; its lower part curves forward and fuses with the anterior extent of the calcarine fissure (sulcus calcarinus); the great depth of this combined fissure causes a bulge in the …

parietofrontal
Relating to the parietal and the frontal bones or the parts of the cerebral cortex corresponding thereto. ... (05 Mar 2000) ...

parietography
Rarely used term for a radiographic examination of the wall of the stomach using a combination of pneumoperitoneum and intraluminal air and barium. ... Origin: parieto-+ G. Graphe, a writing ... (05 Mar 2000) ...

parietomastoid
Relating to the parietal bone and the mastoid portion of the temporal bone. ... (05 Mar 2000) ...

parietomastoid suture
Articulation of the posterior inferior angle of the parietal with the mastoid process of the temporal bone. ... Synonym: sutura parietomastoidea. ... (05 Mar 2000) ...

parietopontine tract
A system of fibres originating in the parietal lobe of the cerebral hemisphere which descend in the internal capsule and lateral part of the crus cerebri to terminate in the pontine nuclei or ventral part of the pons. ... Synonym: tractus parietopontinus. ... (05 Mar 2000) ...

parietosphenoid
Relating to the parietal and the sphenoid bones. ... (05 Mar 2000) ...

parietosplanchnic
Synonym for parietovisceral ... Relating to the wall of a cavity and to the contained viscera. ... Synonym: parietosplanchnic. ... (05 Mar 2000) ...

parietosquamosal
Relating to the parietal bone and the squamous portion of the temporal bone. ... (05 Mar 2000) ...

parietotemporal
Relating to the parietal and the temporal bones. ... (05 Mar 2000) ...

parietovisceral
Relating to the wall of a cavity and to the contained viscera. ... Synonym: parietosplanchnic. ... (05 Mar 2000) ...

Parinaud
Henri, French ophthalmologist, 1844-1905. ... See: Parinaud's conjunctivitis, Parinaud's ophthalmoplegia, Parinaud's syndrome, Parinaud's oculoglandular syndrome. ... (05 Mar 2000) ...