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

extremitas inferior
Synonym for inferior pole ... For a structure having a vertically-oriented long axis, the point at the lower end of the axis, nearest the soles of the feet; the lowest point of a structure's surface. ... See: inferior pole of kidney, inferior pole of testis. ... Synonym: extremitas inferior, inferior extremity. ... (05 Mar 2000) ...

extremitas inferior renis
Synonym for inferior pole of kidney ... The inferior end of the kidney. ... Synonym: extremitas inferior renis. ... (05 Mar 2000) ...

extremitas inferior testis
Synonym for inferior pole of testis ... The inferior end of the testis. ... Synonym: extremitas inferior testis. ... (05 Mar 2000) ...

extremitas posterior
Synonym for posterior extremity ... Specifically, the posterior end of the spleen (extremitas posterior splenis ). ... Synonym: extremitas posterior. ... (05 Mar 2000) ...

extremitas sternalis claviculae
Synonym for sternal extremity of clavicle ... The enlarged medial end of the clavicle that articulates with the manubrium sterni. ... Synonym: extremitas sternalis claviculae, sternal end of clavicle. ... (05 Mar 2000) ...

extremitas superior
Synonym for superior pole ... For a structure having a vertically oriented long axis, the point at the upper end of the axis, furthest from the soles of the feet; the highest point of a structure's surface. ... See: superior pole of kidney, superior pole of testis. ... Synonym: extremitas superior, superior extremity. ... (05 Mar 2000) ...

extremitas superior renis
Synonym for superior pole of kidney ... The superior end of the kidney. ... Synonym: extremitas superior renis. ... (05 Mar 2000) ...

extremitas superior testis
Synonym for superior pole of testis ... The superior end of the testis. ... Synonym: extremitas superior testis. ... (05 Mar 2000) ...

extremitas tubaria ovarii
Synonym for tubal extremity of ovary ... The rounded lateral end of the ovary, usually directed toward the infundibulum of the uterine tube. ... Synonym: extremitas tubaria ovarii, lateral pole. ... (05 Mar 2000) ...

extremitas uterina ovarii
Synonym for uterine extremity of ovary ... The rounded medial end of the ovary, usually directed toward the uterus. ... Synonym: extremitas uterina ovarii, medial pole of ovary. ... (05 Mar 2000) ...

extremity
<anatomy> A limb, an arm or leg (membrum), sometimes applied specifically to a hand or foot. ... (18 Nov 1997) ...

extrinsic
1. Not contained in or belonging to a body; external; outward; unessential; opposed to intrinsic. 'The extrinsic aids of education and of artificial culture.' (I. Taylor) ... 2. <anatomy> Attached partly to an organ or limb and partly to some other part said of certain groups of muscles. Opposed to intrinsic. ... Origin: L. Extrinsecus; exter o …

extrinsic allergic alveolitis
<radiology> Exposure to organic dust less than 5u in size, recurrent episodes of fever, chills, dry cough, dyspnea following exposure after 6 hr interval (10-40% assymptomatic), spontaneous resolution in 1-2 days, farmer's lung, Pandora's pneumonitis, bird-fancier's lung, mushroom worker's lung, bagassosis, malt worker's lung, maple bark dise …

extrinsic asthma
Bronchial asthma resulting from an allergic reaction to foreign substances, such as inhaled particles, vapors, or gases, or ingested foods, beverages, or drugs. ... (05 Mar 2000) ...

extrinsic colour
Colour applied to the external surface of a dental prosthesis. ... (05 Mar 2000) ...

extrinsic factor
Dietary vitamin B12. ... (05 Mar 2000) ...

extrinsic factor deficiency
<disease> An inherited disorder that causes abnormal blood clotting due to the congenital absence of one of the 20 different plasma proteins involved in the coagulation process. ... Symptoms include bleeding of the gums, nosebleeds, easy bruising, bleeding in muscles or joints and excessive menstrual bleeding. ... Treatment includes the adminis …

extrinsic incubation period
Time required for the development of a disease agent in a vector, from the time of uptake of the agent to the time when the vector is infective. ... (05 Mar 2000) ...

extrinsic motivation
The search for satisfaction, or to avoid dissatisfaction, through non-task aspects of the environment such as seeking comfort, safety, and security from others or through the efforts of others. ... (05 Mar 2000) ...

extrinsic pathway
<haematology> Initiation of blood clotting as a result of factors released from damaged tissue, as opposed to contact with a foreign surface (the intrinsic pathway). ... Tissue thromboplastin (Factor III) in conjunction with Factor VII proconvertin) will activate Factor X that, once activated, converts prothrombin to thrombin. ... (27 Jun 1999) …

extrinsic protein
<protein> A protein found in a cell or tissue which came from somewhere else (other than the cell or tissue in which it is found). ... (09 Oct 1997) ...

extrinsic proteins
Synonym for 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) ...

extrinsic sphincter
A sphincter provided by circular muscular fibres extraneous to the organ. ... (05 Mar 2000) ...

extrogastrulation
Evagination of the primitive gut material during gastrulation instead of the normal invagination, as the result of some natural or experimental manipulation of the developing embryo or its environment. ... (05 Mar 2000) ...

extrorse
<plant biology> Of anthers, opening away from the centre of the flower. ... Compare: introrse. ... (09 Oct 1997) ...

extrospection
Constant examination of the skin because of fear of parasites or dirt. ... Origin: ex-+ L. Specto, pp. -atus, to look at, inspect ... (05 Mar 2000) ...

extroversion
1. A turning outward. ... 2. A trait involving social intercourse, as practiced by an extrovert. ... Compare: introversion. ... Synonym: extraversion. ... Origin: incorrectly formed fr. L. Extra, outside, + verto, pp. Versus, to turn ... (05 Mar 2000) ...

extrovert
A gregarious person whose chief interests lie outside the self, and who is socially self-confident and involved in the affairs of others. ... Compare: introvert. ... Synonym: extravert. ... (05 Mar 2000) ...

extrude
To thrust, force, or press out. ... (05 Mar 2000) ...

extrusion
<cell biology> A process where a cell exports large particles or organelles (transports them through its cell membrane to the outside). Requires energy. ... (09 Oct 1997) ...

extrusion of a tooth
Elongation of a tooth; movement of a tooth in an occlusal or incisal direction. ... (05 Mar 2000) ...

extubate
To accomplish extubation. ... (05 Mar 2000) ...

extubation
Removal of a tube from an organ, structure, or orifice; specifically, removal of the tube after intubation. ... Origin: L. Ex, out, + tuba, tube ... (05 Mar 2000) ...

exuberant
Characterised by abundance or superabundance; plenteous; rich; overflowing; copious or excessive in production; as, exuberant goodness; an exuberant intellect; exuberant foliage. 'Exuberant spring.' Exu'berantly. ... Origin: L. Exuberans, exuberantis, p. Pr. Of exuberare to be abundant; ex + uberare to be fruitful, fr. Uber fruitful, fertile, uber u …

exudate
<physiology> Material, such as fluid, cells or cellular debris, which has escaped from blood vessels and has been deposited in tissues or on tissue surfaces, usually as a result of inflammation. ... An exudate, in contrast to a transudate, is characterised by a high content of protein, cells or solid materials derived from cells. ... Compare: t …

exudate cell
Leucocytes that enter tissues (exude from the blood vessels) during an inflammatory response. ... See: peritoneal exudate. ... (18 Nov 1997) ...

exudation cell
Synonym for exudation corpuscle ... A cell present in an exudate that assists in the organization of new tissue. ... Synonym: exudation cell, inflammatory corpuscle, plastic corpuscle. ... (05 Mar 2000) ...

exudation corpuscle
A cell present in an exudate that assists in the organization of new tissue. ... Synonym: exudation cell, inflammatory corpuscle, plastic corpuscle. ... (05 Mar 2000) ...

exudation cyst
A cyst resulting from distention of a closed cavity, such as a bursa, by an excessive secretion of its normal fluid contents. ... (05 Mar 2000) ...

exudative
Relating to the process of exudation or to an exudate. ... (05 Mar 2000) ...

exudative angina
<infectious disease, paediatrics> This has nothing whatsoever to do with the commonly known angina (angina pectoris) in adults with chest pain of cardiac origin. ... Exudative angina is more commonly known as croup, an infection of the larynx, trachea, and the bronchial tubes, largely in children. ... Caused usually by viruses, less often by ba …

exudative bronchiolitis
Inflammation of the bronchioles, with fibrinous exudation. ... (05 Mar 2000) ...

exudative choroiditis
A circumscribed inflammation of the choroid, often with multiple lesions. ... (05 Mar 2000) ...

exudative glomerulonephritis
Glomerulonephritis with infiltration of glomeruli by polymorphonuclear leukocytes, occurring in acute glomerulonephritis. ... (05 Mar 2000) ...

exudative inflammation
Inflammation in which the conspicuous or distinguishing feature is an exudate, which may be chiefly serous, serofibrinous, fibrinous, or mucous (e.g., relatively few cells are present), or may be characterised by relatively large numbers of neutrophils, eosinophils, lymphocytes, monocytes, or plasma cells, frequently with one or two types being pre …

exudative retinal detachment
Detachment of the retina without retinal breaks, arising from inflammatory disease of choroid, retinal tumours, and retinal angiomatosis. ... (05 Mar 2000) ...

exudative retinitis
Retinitis exudativa, a chronic abnormality characterised by deposition of cholesterol and cholesterol esters in outer retinal layers and subretinal space. In adults, often preceded by uveitis; in children, often preceded by retinal vascular abnormalities. ... Synonym: Coats' disease. ... (05 Mar 2000) ...

exudative tuberculosis
A stage of infection with Mycobacterium tuberculosis causing severe oedema and cellular inflammatory reaction without much necrosis or fibrosis. ... (05 Mar 2000) ...

exudative vitreoretinopathy
<ophthalmology> A familial, slowly progressive ocular disease; characterised by posterior vitreous detachment, vitreous membranes, heterotopia of macula, retinal detachment, neovascularization, and recurrent haemorrhage. ... (06 Mar 2000) ...

exude
In general, to ooze or pass gradually out of a body structure or tissue; more specifically, restricted to a fluid or semisolid that so passes and may become encrusted or infected, because of injury or inflammation. ... Origin: L. Ex, out, + sudo, to sweat ... (05 Mar 2000) ...

exulcerans
Ulcerating. ... (05 Mar 2000) ...

exult
To be in high spirits; figuratively, to leap for joy; to rejoice in triumph or exceedingly; to triumph; as, an exulting heart. 'An exulting countenance.' 'The dumb shall sing, the lame his crutch forego, And leap exulting like the bounding roe.' (Pope) ... Origin: L. Exultare, exsultare, exultatum, exsultatum, to leap vigorously, to exult, intens. F …

exumbilication
An umbilical hernia or omphalocele. ... Origin: L. Ex, out, + umbilicus, navel ... (05 Mar 2000) ...

exuviae
1. <zoology> Cast skins, shells, or coverings of animals; any parts of animals which are shed or cast off, as the skins of snakes, the shells of lobsters, etc. ... 2. <geology> The fossil shells and other remains which animals have left in the strata of the earth. ... Origin: L, fr. Exuere to draw out or off, to pull off. ... Source: Webst …

eye
<zoology> A brood; as, an eye of pheasants. ... Origin: Prob. Fr. Nye, an eye being for a nye. See Nye. ... 1. The organ of sight or vision. In man, and the vertebrates generally, it is properly the movable ball or globe in the orbit, but the term often includes the adjacent parts. In most invertebrates the years are immovable ocelli, or compou …

eye abnormalities
Congenital absence of or defects in structures of the eye; may also be hereditary. ... (12 Dec 1998) ...

eye bank
A place where corneas of eyes removed after death are preserved for subsequent keratoplasty. ... (05 Mar 2000) ...

eye banks
Centres for storing various parts of the eye for future use. ... (12 Dec 1998) ...

eye burns
Injury to any part of the eye by extreme heat, chemical agents, or ultraviolet radiation. ... (12 Dec 1998) ...

eye capsule
Synonym for fascial sheath of eyeball ... A condensation of connective tissue on the outer aspect of the sclera from which it is separated by a narrow cleftlike episcleral space; the sheath is attached to the sclera near the sclerocorneal junction and blends with the fascia of the extraocular muscles. ... Synonym: vagina bulbi, capsula bulbi, eye cap …

eye colour
Colour of the iris. ... (12 Dec 1998) ...

eye cup
A small oval receptacle used to apply a liquid to the external eye. ... (05 Mar 2000) ...

eye diseases, hereditary
Transmission of gene defects or chromosomal aberrations/abnormalities which are expressed in extreme variation in the structure or function of the eye. These may be evident at birth, but may be manifested later with progression of the disorder. ... (12 Dec 1998) ...

eye drops
See: eyewash, ophthalmic solutions. ... (05 Mar 2000) ...

eye enucleation
The surgical removal of the eyeball leaving the eye muscles and remaining orbital contents intact. ... (12 Dec 1998) ...

eye evisceration
The surgical removal of the inner contents of the eye, leaving the sclera intact. It should be differentiated from orbit evisceration which removes the entire contents of the orbit, including eyeball, blood vessels, muscles, fat, nerve supply, and periosteum. ... (12 Dec 1998) ...

eye floaters
One or more spots that appear to drift in front of the eye, caused by a shadow cast on the retina by vitreous debris or separation of the vitreous humour from the retina. ... (27 Sep 1997) ...

eye haemorrhage
Intraocular haemorrhage from the vessels of various tissues of the eye, e.g., choroidal haemorrhage and retinal haemorrhage. It is to be differentiated from retrobulbar haemorrhage which refers to haemorrhage within the orbital cavity behind the eye. ... (12 Dec 1998) ...

eye infections
Infection, moderate to severe, caused by bacteria, fungi, or viruses, which occurs either on the external surface of the eye or intraocularly with probable inflammation, visual impairment, or blindness. ... (12 Dec 1998) ...

eye infections, bacterial
Infections in the inner or external eye caused by microorganisms belonging to several families of bacteria. Some of the more common genera found are haemophilus, neisseria, staphylococcus, streptococcus, and chlamydia. ... (12 Dec 1998) ...

eye infections, fungal
Infection by a variety of fungi, usually through four possible mechanisms: superficial infection producing conjunctivitis, keratitis, or lacrimal obstruction; extension of infection from neighboring structures - skin, paranasal sinuses, nasopharynx; direct introduction during surgery or accidental penetrating trauma; or via the blood or lymphatic r …

eye infections, parasitic
Mild to severe infections of the eye and its adjacent structures (adnexa) by adult or larval protozoan or metazoan parasites. ... (12 Dec 1998) ...

eye infections, viral
Infections of the eye caused by minute intracellular agents. These infections may lead to severe inflammation in various parts of the eye - conjunctiva, iris, eyelids, etc. Several viruses have been identified as the causative agents. Among these are herpes virus, adenovirus, poxvirus, and myxovirus. ... (12 Dec 1998) ...

eye injuries
Damage or trauma inflicted to the eye by external means. The concept includes both surface injuries and intraocular injuries. ... (12 Dec 1998) ...

eye injuries, penetrating
Deeply perforating or puncturing type intraocular injuries. ... (12 Dec 1998) ...

eye lens
<physics> The lens nearest the eye in any ocular. ... (05 Aug 1998) ...

eye manifestations
Ocular disorders attendant upon non-ocular disease or injury. ... (12 Dec 1998) ...

eye movements
Voluntary or reflex-controlled movements of the eye. ... (12 Dec 1998) ...

eye ointment
Synonym for ophthalmic ointment ... A special ointment for application to the eye that must be free from particles and must be nonirritating to the eye. ... Synonym: eye ointment, oculentum. ... (05 Mar 2000) ...

eye protective devices
Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation. ... (12 Dec 1998) ...

eye reflex
Synonym for light reflex ... A red glow reflected from the fundus of the eye when a light is cast upon the retina, as in retinoscopy. ... Synonym: eye reflex, fundus reflex, pupillary reflex. ... Synonym: pyramid of light. ... (05 Mar 2000) ...

eye socket
Generally the orbit, although the true 'socket' for the eyeball, into which a prosthetic eye would be inserted, is formed by the fascial sheath of the eyeball. ... Synonym: orbit. ... Tooth socket, a socket in the alveolar process of the maxilla or mandible, into which each tooth fits and is attached by means of the periodontal ligament. ... Synonym: …

eye speculum
An instrument for keeping the eyelids apart during inspection of or operation on the eye. ... Synonym: blepharostat. ... (05 Mar 2000) ...

eye-closure pupil reaction
A constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision. ... Synonym: Galassi's pupillary phenomenon, Gifford's reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon. ... (0 …

eye-closure reflex
Synonym for wink reflex ... General term for reflex closure of eyelids caused by any stimulus. ... Synonym: eye-closure reflex. ... (05 Mar 2000) ...

eye-ear plane
Synonym for orbitomeatal plane ... A standard craniometric reference plane passing through the right and left porion and the left orbitale; drawn on the profile radiograph or photograph from the superior margin of the acoustic meatus to the orbitale. ... Synonym: auriculo-infraorbital plane, eye-ear plane, Frankfort horizontal plane, Frankfort plane, …

eye, artificial
A ready-made or custom-made prosthesis of glass or plastic shaped and coloured to resemble the anterior portion of a normal eye and inserted for cosmetic reasons in the socket of an enucleated or eviscerated eye. ... (12 Dec 1998) ...

eyeball
The eye proper without the appendages. ... Synonym: bulbus oculi, bulb of eye, globe of eye. ... (05 Mar 2000) ...

eyeball compression reflex
Synonym for eyeball-heart reflex ... Slowing of the heart rate due to the vagal effects of compressing an eyeball. ... Synonym: eyeball compression reflex. ... (05 Mar 2000) ...

eyeball-heart reflex
Slowing of the heart rate due to the vagal effects of compressing an eyeball. ... Synonym: eyeball compression reflex. ... (05 Mar 2000) ...

eyebrow
The crescentic line of hairs at the superior edge of the orbit. ... Synonym: supercilium. ... (05 Mar 2000) ...

eyeglasses
A pair of ophthalmic lenses in a frame or mounting which is supported by the nose and ears. The purpose is to aid or improve vision. It does not include goggles or nonprescription sun glasses for which eye protective devices is available. ... (12 Dec 1998) ...

eyegrounds
The fundus of the eye as seen with the ophthalmoscope. ... (05 Mar 2000) ...

eyelash
One of the stiff hairs projecting from the margin of the eyelid. ... Synonym: cilium. ... (05 Mar 2000) ...

eyelash sign
<clinical sign> In a case of apparent unconsciousness due to functional disease, such as conversion hysteria, stroking the eyelashes will occasion movement of the lids, but no such reflex will occur in case of severe organic brain lesion such as apoplexy, fracture of the skull, or other traumatism. ... (05 Mar 2000) ...

eyepiece
<microscopy> The lens system used in an optical instrument for magnification of the image formed by the objective. ... (05 Aug 1998) ...

eyepiece, negative
<microscopy> An ocular in which the real image of the object is formed between two lenses. The Huygens type. ... (05 Aug 1998) ...

eyepiece, parfocal
<microscopy> Eyepieces with common focal planes so that they are interchangeable without refocusing. ... (05 Aug 1998) ...

eyepiece, positive
<microscopy> An eyepiece in which the real image of the object is formed below the lower lens element, of the eyepiece. ... (05 Aug 1998) ...

eyes, cataracts
Clouding of the lens portion of the eye. Cataracts will affect most people if they live long enough. Symptoms include double or blurred vision and sensitivity to light and glare. Cataracts can be diagnosed when the doctor examines the eyes with a viewing instrument. The ideal treatment for cataracts is surgical implantation of a new lens. Sunglasse …