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

epidermic-dermic nevus
Synonym for junction nevus ... A nevus consisting of nests of melanocytes in the basal cell zone, at the junction of the epidermis and dermis, appearing as a slightly raised, small, flat, nonhairy pigmented (brown or black) tumour. ... Synonym: epidermic-dermic nevus. ... (05 Mar 2000) ...

epidermidosis
Synonym for epidermosis ... A skin disease affecting only the epidermis. ... Synonym: epidermidosis. ... (05 Mar 2000) ...

epidermis
1. <dermatology> The basal layer of the mammalian epidermis contains cells that undergo repeated divisions. The cells outwards from a particular basal cell are often derived from this cell or a nearby one so that columns of cells exist running outwards from the stem cell in the basal layer from which they were derived. Such columns of cells a …

epidermitis
Inflammation of the epidermis or superficial layers of the skin. ... (05 Mar 2000) ...

epidermitis, exudative, of swine
An acute generalised dermatitis of pigs which occurs from 5 to 35 days of age, characterised by sudden onset, with morbidity of 10 to 90% and mortality of 5 to 90%. The lesions are caused by staphylococcus hyos but the bacterial agent is unable to penetrate the intact skin. Abrasions on the feet and legs or lacerations on the body frequently preced …

epidermization
1. Rarely used term for skin grafting. ... 2. Rarely used term for the covering of an area with epidermis. ... (05 Mar 2000) ...

epidermodysplasia
Faulty growth or development of the epidermis. ... Origin: epidermis + G. Dys-, bad, + plasis, a molding ... (05 Mar 2000) ...

epidermodysplasia verruciformis
An autosomal recessive trait with impaired cell-mediated immunity. About 15 human papilloma viruses are implicated in associated infection, four of which lead to skin neoplasms. The disease begins in childhood with red papules and later spreads over the body as gray or yellow scales. ... (12 Dec 1998) ...

epidermoid cancer
Synonym for epidermoid carcinoma ... A type of lung cancer in which the cells are flat and look like fish scales. Also called squamous cell carcinoma. ... (12 Dec 1998) ...

epidermoid carcinoma
A type of lung cancer in which the cells are flat and look like fish scales. Also called squamous cell carcinoma. ... (12 Dec 1998) ...

epidermoid cyst
A closed sac (sebaceous gland) within the tissue containing oily or fatty semi-solid material. These cysts are found most commonly on the genitalia, vulva or labia. Features include a nontender, small lump in the skin. Sebaceous cysts which turn red or tender may require treatment with oral antibiotics. Warm wet compresses may help the cyst expel s …

epidermoid inclusion cyst
<radiology> Well-circumscribed radiolucent lesion showing a thin cortical margin that may not be visible in its entirety, frequently in the terminal phalanx, history of penetrating trauma is often elicited Differential diagnosis: ABC, enchondroma ... (12 Dec 1998) ...

epidermolysis
A condition in which the epidermis is loosely attached to the corium, readily exfoliating or forming blisters. ... Origin: epidermis + G. Lysis, loosening ... (05 Mar 2000) ...

epidermolysis bullosa
This represents a group of rare inherited disorders in which blistering of the skin occurs in response to skin trauma. Large fluid-filled blisters can occur in response to injury, skin rubbing, chafing or even increases in room temperature. Secondary bacterial infection of the blisters is common. Complications include oesophageal stricture, infecti …

epidermolysis bullosa acquisita
Form of epidermolysis bullosa characterised by trauma-induced, subepidermal blistering with no family history of the disease. Direct immunofluorescence shows IgG deposited at the dermo-epidermal junction. ... (12 Dec 1998) ...

epidermolysis bullosa dystrophica
Form of epidermolysis bullosa characterised by atrophy of blistered areas, severe scarring, and nail changes. It is most often present at birth or in early infancy and occurs in both autosomal dominant and recessive forms. ... (12 Dec 1998) ...

epidermolysis bullosa lethalis
Epidermolysis bullosa in which the bullae are persistent, nonhealing, and often present in the oral mucosa and trachea, but not on the palms and soles, leading to death. ... Synonym: epidermolysis bullosa, junctional type, Herlitz syndrome. ... (05 Mar 2000) ...

epidermolysis bullosa simplex
This represents a group of rare inherited disorders in which blistering of the skin occurs in response to skin trauma. Large fluid-filled blisters can occur in response to injury, skin rubbing, chafing or even increases in room temperature. Secondary bacterial infection of the blisters is common. Complications include oesophageal stricture, infecti …

epidermolysis bullosa, junctional
Form of epidermolysis bullosa having onset at birth or during the neonatal period and transmitted through autosomal recessive inheritance. It is characterised by generalised blister formation, extensive denudation, and separation and cleavage of the basal cell plasma membranes from the basement membrane. ... (12 Dec 1998) ...

epidermolytic hyperkeratosis
Hyperkeratosis, hypergranulosis, and reticular degeneration in the upper epidermis. Generalised epidermolytic hyperkeratosis is present in bullous congenital ichthyosiform erythroderma. Localised epidermolytic hyperkeratosis may be found in epidermal nevi and benign keratoses. ... Synonym: porcupine skin. ... (05 Mar 2000) ...

epidermophyton
A deuteromycetous fungal genus which grows in the epidermis and is the cause of tinea. ... (12 Dec 1998) ...

epidermosis
A skin disease affecting only the epidermis. ... Synonym: epidermidosis. ... (05 Mar 2000) ...

epidermotropism
Movement towards the epidermis, as in the migration of T lymphocytes into the epidermis in mycosis fungoides. ... Origin: epidermis + G. Trope, a turning ... (05 Mar 2000) ...

epidialysis
An obsolete term for dehiscence of the pigmentary layer of the iris. ... Origin: epi-+ G. Dialysis, a separation ... (05 Mar 2000) ...

epidiascope
<instrument> A projector by which images are reflected by a mirror through a lens, or lenses, onto a screen, using reflected light for opaque objects and transmitted light for translucent or transparent ones. ... Synonym: overhead projector. ... Origin: epi-+ G. Dia, through, + skopeo, to view ... (05 Mar 2000) ...

epididymal
Relating to the epididymis. ... (05 Mar 2000) ...

epididymectomy
<procedure> Operative removal of the epididymis. ... Origin: epididymis + G. Ektome, excision ... (05 Mar 2000) ...

epididymis
Convoluted tubule connecting the vas efferens, that comes from the seminiferous tubules of the mammalian testis, to the vas deferens. Maturation and storage of sperm occur in the epididymis. ... (18 Nov 1997) ...

epididymitis
<pathology> Inflammation of the epididymis, usually the result of a bacterial infection. ... Symptoms include testicular pain and swelling. ... (27 Sep 1997) ...

epididymo-orchitis
Simultaneous inflammation of both epididymis and testis. ... Origin: epididymis + G. Orchis, testis ... (05 Mar 2000) ...

epididymoplasty
Surgical repair of the epididymis. ... Origin: epididymis + G. Plastos, formed ... (05 Mar 2000) ...

epididymotomy
<procedure> Incision into the epididymis, as in preparation for epididymovasostomy or for drainage of purulent material. ... Origin: epididymis + G. Tome, a cutting ... (05 Mar 2000) ...

epididymovasectomy
<procedure> Surgical removal of the epididymis and vas deferens, usually proximal to its entry into the inguinal canal. ... Origin: epididymis + vasectomy ... (05 Mar 2000) ...

epididymovasostomy
<procedure> Surgical anastomosis of the vas deferens to the epididymis. ... Origin: epididymis + vasostomy ... (05 Mar 2000) ...

epidote
<chemical> A mineral, commonly of a yellowish green (pistachio) colour, occurring granular, massive, columnar, and in monoclinic crystals. It is a silicate of alumina, lime, and oxide of iron, or manganese. ... The Epidote group includes ordinary epidote, zoisite or lime epidote, piedmontite or manganese epidote, allanite or serium epidote. …

epidural
<anatomy> Situated within the spinal canal, on or outside the dura mater (tough membrane surrounding the spinal cord), synonyms are extradural and peridural. ... (16 Dec 1997) ...

epidural abscess
This is a disorder which is characterised by inflammation and a collection of infected material (pus) in the area between the skull bone and the covering of the brain (meninges). Infection is usually caused by bacteria (Staphylococcus), but may be secondary to a fungal or viral infection. Epidural abscess can occur secondary to a chronic ear or sin …

epidural anaesthesia
Regional anaesthesia produced by injection of local anaesthetic solution into the peridural space. ... Synonym: peridural anaesthesia. ... (05 Mar 2000) ...

epidural anaesthetic
An anaesthetic injected into the epidural space surrounding the fluid-filled sac (the dura) around the spine which partially numbs the abdomen and legs. ... (12 Dec 1998) ...

epidural block
An obstruction in the epidural space; used inaccurately to refer to epidural anaesthesia. ... (05 Mar 2000) ...

epidural cavity
The space between the walls of the vertebral canal and the dura mater of the spinal cord. ... Synonym: cavum epidurale, epidural space. ... (05 Mar 2000) ...

epidural haematoma
A serious type of head injury that is characterised by a collection of blood that lies outside of the dura mater (between the dura mater and the skull). Occurs secondary to major head trauma. The most common location on the skull for this type of injury is over the temple. The temporal bone when fractured can cause a tearing of an epidural blood ar …

epidural meningitis
Synonym for pachymeningitis externa ... Inflammation of the outer surface of the dura mater. ... Synonym: epidural meningitis, external meningitis. ... (05 Mar 2000) ...

epidural space
Space between the dura mater and the walls of the vertebral canal. ... (12 Dec 1998) ...

epidurography
Radiographic visualization of the epidural space following the regional instillation of a radiopaque contrast medium. ... (05 Mar 2000) ...

epiestriol
See: estriol. ... (05 Mar 2000) ...

epifascial
Upon the surface of a fascia, denoting a method of injecting drugs in which the solution is put on the fascia lata instead of injected into the substance of the muscle. ... (05 Mar 2000) ...

epifauna
Animals living on the surface of the substrate. ... (09 Oct 1997) ...

epigastralgia
<symptom> Pain in the epigastrium. ... (18 Nov 1997) ...

epigastric
<anatomy> Pertaining to the epigastrium. ... (18 Nov 1997) ...

epigastric angle
The angle formed by the xiphoid process with the body of the sternum. ... (05 Mar 2000) ...

epigastric arteries
Inferior and external epigastric arteries arise from external iliac; superficial from femoral; superior from internal thoracic. They supply the abdominal muscles, diaphragm, iliac region, and groin. The inferior epigastric artery is used in coronary artery bypass grafting and myocardial revascularization. ... (12 Dec 1998) ...

epigastric fold
Synonym for lateral umbilical fold ... The ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels. ... Synonym: plica umbilicalis lateralis, epigastric fold, plica epigastrica. ... (05 Mar 2000) ...

epigastric fossa
The slight depression in the midline just inferior to the xiphoid process of the sternum. ... Synonym: fossa epigastrica, pit of stomach, scrobiculus cordis. ... (05 Mar 2000) ...

epigastric hernia
Hernia through the linea alba above the navel. ... (05 Mar 2000) ...

epigastric reflex
A contraction of the upper portion of the rectus abdominis muscle when the skin of the epigastrium above is scratched. ... Synonym: supraumbilical reflex. ... (05 Mar 2000) ...

epigastric region
The region of the abdomen located between the costal margins and the subcostal plane. ... Synonym: epigastrium, regio epigastrica. ... (05 Mar 2000) ...

epigastric veins
See: inferior epigastric vein, superficial epigastric vein, superior epigastric veins. ... (05 Mar 2000) ...

epigastric voice
The delusion of a voice proceeding from the epigastrium. ... (05 Mar 2000) ...

epigastrium
The upper central region of the abdomen between the costal margins and a line drawn horizontally across the lowest costal margin. ... (27 Sep 1997) ...

epigastrius
Unequal conjoined twins in which the smaller parasite is attached to the larger autosite in the epigastric region. ... See: conjoined twins. ... (05 Mar 2000) ...

epigastrocele
An obsolete term for a hernia in the epigastric region. ... Origin: epigastrium + G. Kele, hernia ... (05 Mar 2000) ...

epigeal
Of germination, having the cotyledon emerging from the seed coat and becoming photosynthetic. ... Compare: hypogeal. ... (09 Oct 1997) ...

epigenesis
<biology> The theory that development is a process of gradual increase in complexity as opposed to the preformationist view that supposed that mere increase in size was sufficient to produce adult from embryo. ... (07 May 1998) ...

epigenesist
<specialist> One who believes in, or advocates the theory of, epigenesis. ... (07 May 1998) ...

epigenetic
<biology> Of or pertaining to the epigenesis; produced according to the theory of epigenesis. ... Describes something which influences the behaviour of a cell without directly affecting its DNA or other genetic machinery, such as an environmental effect. ... (07 May 1998) ...

epigenetic change
<biology> Any changes in an organism brought about by alterations in the action of genes are called epigenetic changes. ... Epigenetic transformation refers to those processes which cause normal cells to become tumour cells without the occurrence of any mutations. ... (07 May 1998) ...

epigenetics
<study> The study of mechanisms involved in the production of phenotypic complexity in morphogenesis. ... According to the epigenetic view of differentiation, the cell makes a series of choices (some of which may have no obvious phonotypic expression and are spoken of as determination events) that lead to the eventual differentiated state. Thu …

epiglottic cartilage
A thin lamina of elastic cartilage forming the central portion of the epiglottis. ... Synonym: cartilago epiglottica. ... (05 Mar 2000) ...

epiglottic folds
One of the three folds of mucous membrane passing between the tongue and the epiglottis, lateral glossoepiglottic fold on either side, and median glossoepiglottic fold centrally. ... Synonym: plicae epiglottica. ... (05 Mar 2000) ...

epiglottic tubercle
A convexity at the lower part of the epiglottis over the upper part of the thyroepiglottic ligament. ... Synonym: tuberculum epiglotticum, cushion of epiglottis. ... (05 Mar 2000) ...

epiglottic vallecula
A depression immediately posterior to the root of the tongue between the median and lateral glossoepiglottic folds on either side. ... Synonym: vallecula epiglottica. ... (05 Mar 2000) ...

epiglottidectomy
<procedure> Excision of the epiglottis. ... Origin: epiglottis + G. Ektome, excision ... (05 Mar 2000) ...

epiglottiditis
Synonym for epiglottitis ... <pathology> Inflammation of the epiglottis due to a bacterial (haemophilus influenza) infection. ... This serious, life-threatening infection is more common in children 2 to 7 years of age. The illness is typically of abrupt onset with stridor, sore throat, breathing difficulty, drooling and a high fever. A whispery …

epiglottitis
<pathology> Inflammation of the epiglottis due to a bacterial (haemophilus influenza) infection. ... This serious, life-threatening infection is more common in children 2 to 7 years of age. The illness is typically of abrupt onset with stridor, sore throat, breathing difficulty, drooling and a high fever. A whispery diminished voice is also co …

epiglycanin
<protein> Very extensively glycosylated transmembrane glycoprotein found in TA3 Ha mouse mammary carcinoma cells and that may mask histocompatibility antigens. Functionally analogous to episialin but there is no sequence homology in the protein. ... (18 Nov 1997) ...

epignathus
Unequal conjoined twins in which the smaller, incomplete parasite is attached to the larger autosite at the lower jaw. ... See: conjoined twins. ... Origin: epi-+ G. Gnathos, jaw ... (05 Mar 2000) ...

epigraph
1. Any inscription set upon a building; especially, one which has to do with the building itself, its founding or dedication. ... 2. A citation from some author, or a sentence framed for the purpose, placed at the beginning of a work or of its separate divisions; a motto. ... Origin: Gr, fr., cf. F. Epigraphe. See Epigram. ... Source: Websters Diction …

epigynous
Of floral parts (especially stamens), attached above the level of insertion of the ovary, and arising from tissue that is fused to the ovary wall. ... Compare: hypogynous, perigynous. ... (09 Oct 1997) ...

epihyal bone
An ossified stylomastoid ligament. ... (05 Mar 2000) ...

epihyal ligament
Synonym for stylohyoid ligament ... <anatomy> A fibrous cord that passes from the tip of the styloid process to the lesser cornu of the hyoid bone; it is occasionally ossified. ... Synonym: ligamentum stylohyoideum, epihyal ligament. ... (05 Mar 2000) ...

epihyoid
Upon the hyoid bone; denoting certain accessory thyroid glands lying above the geniohyoid muscle. ... (05 Mar 2000) ...

epikeratophakia
A procedure that modifies the refractive error of the lens by the transplantation of a donor cornea to the anterior surface of the patient's cornea. The basic indication for epikeratophakia is the incapability of correcting refractive errors with conservative methods, such as glasses, contact lenses, or intraocular lenses. ... (12 Dec 1998) ...

epikeratophakic keratoplasty
Synonym for epikeratophakia ... A procedure that modifies the refractive error of the lens by the transplantation of a donor cornea to the anterior surface of the patient's cornea. The basic indication for epikeratophakia is the incapability of correcting refractive errors with conservative methods, such as glasses, contact lenses, or intraocular le …

epikeratoprosthesis
A contact lens attached to the corneal stroma to replace the epithelium. ... Origin: epi-+ G. Keras, horn, + prosthesis, an addition ... (05 Mar 2000) ...

epilamellar
Upon or above a basement membrane. ... Origin: epi-+ L. Lamella, dim. Of lamina, a thin metal plate ... (05 Mar 2000) ...

epilate
To extract a hair; to remove the hair from a part by forcible extraction, electrolysis, or loosening at the root by chemical means. ... Compare: depilate. ... Origin: L. E, out, + pilus, a hair ... (05 Mar 2000) ...

epilation
The act or result of removing hair. ... Synonym: depilation. ... (05 Mar 2000) ...

epilatory
1. Having the property of removing hair; relating to epilation. ... Synonym: depilatory, psilotic. ... See: decalvant. ... Synonym: depilatory. ... (05 Mar 2000) ...

epilemma
The connective tissue sheath of nerve fibres near their termination. ... Origin: epi-lemma, husk ... (05 Mar 2000) ...

epilemmal ending
A nerve ending in close relation to the outer surface of the sarcolemma. ... (05 Mar 2000) ...

epilepidoma
<tumour> A tumour resulting from hyperplasia of tissue derived from the true epiblast. ... Origin: epi-+ G. Lepis, rind, + -oma, tumour ... (05 Mar 2000) ...

epilepsia
Synonym for epilepsy ... <disease, neurology> The paroxysmal transient disturbances of brain function that may be manifested as episodic impairment or loss of consciousness, abnormal motor phenomena, psychic or sensory disturbances or perturbation of the autonomic nervous system. ... Symptoms are due to paroxysmal disturbance of the electrical …

epilepsia partialis continua
Focal motor status epilepticus characterised by high fever, delirium, localised muscular spasms and generalised convulsion, then clonic twitching of one group of muscles at regular intervals (seconds apart) lasting for hours or months, remaining localised. These continue throughout sleep, possibly at a reduced rate. ... (12 Dec 1998) ...

epilepsy
<disease, neurology> The paroxysmal transient disturbances of brain function that may be manifested as episodic impairment or loss of consciousness, abnormal motor phenomena, psychic or sensory disturbances or perturbation of the autonomic nervous system. ... Symptoms are due to paroxysmal disturbance of the electrical activity of the brain. O …

epilepsy with myoclonic absences
A form of generalised epilepsy characterised by absence seizures, severe bilateral rhythmic clonic jerks often associated with tonic contraction, and an EEG 3 Hz spike and wave pattern. Age of onset is usually around seven years and males are more often affected. ... (05 Mar 2000) ...

epilepsy, absence
Epileptic seizures that consist of a sudden cessation of ongoing conscious activity without convulsive muscular activity or loss of postural control. These seizures may be so brief as to be inapparent, lasting seconds and occasionally several minutes. Absence seizures usually begin in otherwise neurologically normal children and rarely appear for t …

epilepsy, complex partial
Epileptic seizures that are episodic changes in behaviour in which an individual loses conscious contact with the environment. The onset of such seizures involves any of a variety of auras: deja-vu, an unusual smell, a sudden intense emotional feeling, a sensory illusion such as micropsia (objects growing smaller) or macropsia (objects growing larg …

epilepsy, frontal lobe
Epileptic seizures arising from the frontal lobe characterised by simple partial, complex partial, secondary generalised seizures, or combinations of these. The seizures, which are short in duration, may occur several times a day, mostly during sleep. Affected individuals usually have prominent motor manifestations which are tonic or postural, comp …

epilepsy, generalised
Epileptic seizures in which the first clinical changes indicate initial involvement of both hemispheres of the brain, as opposed to epileptic seizures involving a particular focal point of the brain (epilepsy, partial). Generalised seizures can be convulsive or non-convulsive. Consciousness may be impaired and this impairment may be the initial man …