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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
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highest conchaSynonym for supreme nasal concha ... A small concha frequently present on the posterosuperior part of the lateral nasal wall; it overlies the supreme nasal meatus. ... Synonym: concha nasalis suprema, fourth turbinated bone, highest concha, highest turbinated bone, Santorini's concha, concha santorini, supraturbinal, supreme concha, supreme turbinate …
highest intercostal arterySynonym for superior intercostal artery ... <anatomy, artery> Origin, costocervical trunk; distribution, structures of first and second intercostal spaces via its terminal branches, posterior intercostal arteries 1 and 2; anastomoses, anterior intercostal branches of internal thoracic. ... Synonym: arteria intercostalis suprema, highest interco …
highest intercostal vein<anatomy, vein> The vein draining the first intercostal space into either the vertebral or the brachiocephalic vein. ... Synonym: vena intercostalis suprema, supreme intercostal vein. ... (05 Mar 2000) ...
highest nuchal lineA line above and parallel to the superior nuchal line on the external surface of the occipital bone; it gives attachment to the epicranial aponeurosis and occipitalis muscle. ... Synonym: linea nuchae suprema. ... (05 Mar 2000) ...
highest thoracic arterySynonym for superior thoracic artery ... <anatomy, artery> Origin, axillary; distribution, muscles of superior chest; anastomoses, branches of suprascapular, internal thoracic, and thoracoacromial. ... Synonym: arteria thoracica superior, highest thoracic artery. ... (05 Mar 2000) ...
highest turbinated boneSynonym for supreme nasal concha ... A small concha frequently present on the posterosuperior part of the lateral nasal wall; it overlies the supreme nasal meatus. ... Synonym: concha nasalis suprema, fourth turbinated bone, highest concha, highest turbinated bone, Santorini's concha, concha santorini, supraturbinal, supreme concha, supreme turbinate …
highly repetitive DNA<molecular biology> The fraction of the eukaryotic genome which consists of a short sequence of nucleotides that is repeated thousands of times all over the genome. Highly repetitive DNA is very similar to satellite DNA. ... (09 Oct 1997) ...
Highmore, Nathaniel<person> British anatomist, 1613-1685. ... See: antrum of Highmore, Highmore's body. ... (05 Mar 2000) ...
Highmore's bodySynonym for mediastinum testis ... A mass of fibrous tissue continuous with the tunica albuginea, projecting into the testis from its posterior border. ... Synonym: corpus highmori, corpus highmorianum, Highmore's body, septum of testis. ... (05 Mar 2000) ...
Higoumenakia sign<clinical sign> Sternoclavicular swelling in late congenital syphilis. ... (05 Mar 2000) ...
hilaThe pleural of hilum. ... (05 Mar 2000) ...
hilar cell tumour of ovaryA small benign masculinizing ovarian tumour derived from hilar cells, which resemble Leydig cells of the testis. ... (05 Mar 2000) ...
hilar danceVigorous pulmonary arterial pulsations due to increased blood flow, often seen fluoroscopically in patients with congenital left-to-right shunts, especially atrial septal defects. ... (05 Mar 2000) ...
hilar lymph nodesSynonym for bronchopulmonary lymph nodes ... Lymph nodes in the hilum of the lung that receive lymph from the pulmonary node's, and drain to the tracheobronchial nodes. ... Synonym: glandulae bronchiales, bronchial glands, hilar lymph nodes, nodi lymphatici bronchopulmonales. ... (05 Mar 2000) ...
hilar shadowRadiographic hilum of the lung; a composite radiographic shadow of the central pulmonary arteries and veins, with associated bronchial walls and lymph nodes, within the right or left lung. ... (05 Mar 2000) ...
hilitisInflammation of the lining membrane of any hilus. ... (05 Mar 2000) ...
hill1. A natural elevation of land, or a mass of earth rising above the common level of the surrounding land; an eminence less than a mountain. 'Every mountain and hill shall be made low.' (Is. Xl. 4) ... 2. The earth raised about the roots of a plant or cluster of plants. See Hill. ... 3. A single cluster or group of plants growing close together, and h …
Hill coefficientA measure of cooperativity in a binding process. A Hill coefficient of 1 indicates independent binding, a value of greater than 1 shows positive cooperativity binding of one ligand facilitates binding of subsequent ligands at other sites on the multimeric receptor complex. Worked out originally for the binding of oxygen to haemoglobin (Hill coeffic …
Hill constantSynonym for Hill coefficient ... A measure of cooperativity in a binding process. A Hill coefficient of 1 indicates independent binding, a value of greater than 1 shows positive cooperativity binding of one ligand facilitates binding of subsequent ligands at other sites on the multimeric receptor complex. Worked out originally for the binding of oxy …
Hill operationRepair of hiatus hernia; narrowing the oesophagogastric junction and attaching it to the right medial arcuate ligament. ... (05 Mar 2000) ...
hill plotA method which is used to find out how many binding sites of a particular type are present on a given protein molecule. The Hill plot does this by graphical representation of the molecule. ... (09 Oct 1997) ...
Hill reaction<plant biology> Reaction, first demonstrated by Robert Hill in 1939, in which illuminated chloroplasts evolve oxygen when incubated in the presence of an artificial electron acceptor (e.g. Ferricyanide). The reaction is a property of photosystem II. ... (11 Jan 1998) ...
hill-sachs deformity<radiology> Indentation or groove on posterolateral aspect of humeral head, probably due to compression of humeral head on posterior lip of glenoid, suggests repeated or chronic anterior shoulder dislocation, may occur after one episode of dislocation associated with: Bankhart lesion of glenoid ... (12 Dec 1998) ...
Hill-Sachs lesionAn irregularity seen in the head of the humerus following dislocation of the shoulder; caused by impaction of the head of the humerus against the edge of the glenoid. ... (05 Mar 2000) ...
Hill, Archibald<person> English biophysicist and Nobel laureate, 1886-1977. ... See: Hill's equation, Hill plot. ... (05 Mar 2000) ...
Hill, Harold<person> 20th century U.S. Radiologist. ... See: Hill-Sachs lesion. ... (05 Mar 2000) ...
Hill, Lucius<person> U.S. Thoracic surgeon, *1921. ... See: Hill operation. ... (05 Mar 2000) ...
Hill, Robert<person> British plant physiologist, *1899. ... See: Hill reaction. ... (05 Mar 2000) ...
Hill, Sir Leonard Erskine<person> English physiologist, 1866-1952. ... See: Hill's sign, Hill's phenomenon. ... (05 Mar 2000) ...
Hill's equationThe equation,y(1-y) = [S]n/Kd, where y is the fractional degree of saturation, [S] is the binding ligand concentration, n is the Hill coefficient, and Kd is the dissociation constant for the ligand. The Hill coefficient is a measure of the cooperativity of the protein; the larger the value, the higher the cooperativity. This coefficient cannot be h …
Hill's phenomenonSynonym for Hill's sign ... <clinical sign> In aortic insufficiency, greater systolic blood pressure in the legs than in the arms; normal arterial systolic pressure in the leg is 10 to 20 mm of Hg above that in the arm, whereas in aortic insufficiency the difference may be 60 to 100 mm of Hg. ... Synonym: Hill's phenomenon. ... (05 Mar 2000) ...
Hill's sign<clinical sign> In aortic insufficiency, greater systolic blood pressure in the legs than in the arms; normal arterial systolic pressure in the leg is 10 to 20 mm of Hg above that in the arm, whereas in aortic insufficiency the difference may be 60 to 100 mm of Hg. ... Synonym: Hill's phenomenon. ... (05 Mar 2000) ...
Hillis-Muller manoeuvreManual pressure on the term fundus while a finger in the vagina determines the descent of the head into the pelvis. ... (05 Mar 2000) ...
Hillis, David<person> U.S. Obstetrician-gynecologist, 1873-1942. ... See: Hillis-Muller manoeuvre. ... (05 Mar 2000) ...
hillockIn anatomy, any small elevation or prominence. ... Axon hillock, the conical area of origin of the axon from the nerve cell body; it contains parallel arrays of microtubules and is devoid of Nissl substance. ... Synonym: implantation cone. ... (05 Mar 2000) ...
Hilton, John<person> English surgeon, 1804-1878. ... See: Hilton's law, Hilton's white line, Hilton's method, Hilton's sac. ... (05 Mar 2000) ...
Hilton's lawThe nerve supplying a joint supplies also the muscles which move the joint and the skin covering the articular insertion of those muscles. ... (05 Mar 2000) ...
Hilton's methodDivision of the nerves supplying a part, for the relief of pain in ulcers. ... (05 Mar 2000) ...
Hilton's sacSynonym for saccule of larynx ... A small diverticulum provided with mucous glands extending upward from the ventricle of the larynx between the vestibular fold and the lamina of the thyroid cartilage; it is a vestigial structure, being a much larger structure interdigitating with the neck musculature in some of the great apes where it serves as a r …
Hilton's white lineSynonym for white line of anal canal ... A bluish pink, narrow, wavy zone in the mucosa of the anal canal below the pectinate line at the level of the interval between the subcutaneous part of the external sphincter and the lower border of the internal sphincter, said to be palpable. ... Synonym: Hilton's white line. ... (05 Mar 2000) ...
hilum<plant biology> The scar on a seed coat at the place where it was attached to its stalk during development. ... (11 Jan 1998) ...
hilum lienisAn alternate term for hilum of spleen. ... (05 Mar 2000) ...
hilum nodi lymphaticiSynonym for hilum of lymph node ... The depressed area of the surface of a lymph node through which the efferent lymphatics emerge from the medulla and through which blood vessels enter and leave the node. ... Synonym: hilum nodi lymphatici. ... (05 Mar 2000) ...
hilum nuclei dentatiSynonym for hilum of dentate nucleus ... The mouth of the flasklike dentate nucleus of the cerebellum, directed inward, and giving exit to many of the fibres which compose the superior cerebellar peduncle or brachium conjunctivum. ... Synonym: hilum nuclei dentati. ... (05 Mar 2000) ...
hilum nuclei olivarisSynonym for hilum of olivary nucleus ... The medially oriented opening in the folded cell layer composing the inferior olivary nucleus through which the efferent fibres of the nucleus make their exit. ... Synonym: hilum nuclei olivaris. ... (05 Mar 2000) ...
hilum of dentate nucleusThe mouth of the flasklike dentate nucleus of the cerebellum, directed inward, and giving exit to many of the fibres which compose the superior cerebellar peduncle or brachium conjunctivum. ... Synonym: hilum nuclei dentati. ... (05 Mar 2000) ...
hilum of kidneyThe depression on the medial border of the kidney through which pass the segmental renal vessels and renal nerves and where the apex of the renal pelvis occurs. ... Synonym: hilum renalis, porta renis. ... (05 Mar 2000) ...
hilum of lungA wedge-shaped depression on the mediastinal surface of each lung, where the bronchus, blood vessels, nerves, and lymphatics enter or leave the viscus. ... Synonym: hilum pulmonis, porta pulmonis. ... (05 Mar 2000) ...
hilum of lymph nodeThe depressed area of the surface of a lymph node through which the efferent lymphatics emerge from the medulla and through which blood vessels enter and leave the node. ... Synonym: hilum nodi lymphatici. ... (05 Mar 2000) ...
hilum of olivary nucleusThe medially oriented opening in the folded cell layer composing the inferior olivary nucleus through which the efferent fibres of the nucleus make their exit. ... Synonym: hilum nuclei olivaris. ... (05 Mar 2000) ...
hilum of ovaryThe depression along the mesovarian margin, at the insertion of the mesovarium, where vessels and nerves enter or leave the ovary. ... Synonym: hilum ovarii. ... (05 Mar 2000) ...
hilum of spleenA fissure on the gastric surface of the spleen, giving passage to the splenic vessels and nerves. ... Synonym: hilum splenicum, hilum lienis, porta lienis. ... (05 Mar 2000) ...
hilum ovariiSynonym for hilum of ovary ... The depression along the mesovarian margin, at the insertion of the mesovarium, where vessels and nerves enter or leave the ovary. ... Synonym: hilum ovarii. ... (05 Mar 2000) ...
hilum pulmonisSynonym for hilum of lung ... A wedge-shaped depression on the mediastinal surface of each lung, where the bronchus, blood vessels, nerves, and lymphatics enter or leave the viscus. ... Synonym: hilum pulmonis, porta pulmonis. ... (05 Mar 2000) ...
hilum renalisSynonym for hilum of kidney ... The depression on the medial border of the kidney through which pass the segmental renal vessels and renal nerves and where the apex of the renal pelvis occurs. ... Synonym: hilum renalis, porta renis. ... (05 Mar 2000) ...
hilum splenicumSynonym for hilum of spleen ... A fissure on the gastric surface of the spleen, giving passage to the splenic vessels and nerves. ... Synonym: hilum splenicum, hilum lienis, porta lienis. ... (05 Mar 2000) ...
hilus cellsCell's in the hilus of the ovary that produce androgens; they are thought to be the ovarian counterpart of the interstitial cell's of the testis. ... Synonym: Berger cells. ... (05 Mar 2000) ...
himThe objective case of he. See He. 'Him that is weak in the faith receive.' (Rom. Xiv. 1) 'Friends who have given him the most sympathy.' (Thackeray) ... In old English his and him were respectively the genitive and dative forms of it as well as of he. This use is now obsolete. Poetically, him is sometimes used with the reflexive sense of himself. 'I …
himantosisAn unusually long uvula. ... Origin: G. Himas, strap, + -osis, condition ... (05 Mar 2000) ...
Hin recombinase<enzyme> From salmonella typhimurium; mediates site-specific recombination between two inverted repeat sequences(hixl and hixr) resulting in inversion of the DNA segment between these two sequences ... Registry number: EC 2.7.7.- ... (26 Jun 1999) ...
hind1. <zoology> The female of the red deer, of which the male is the stag. ... 2. <zoology> A spotted food fish of the genus Epinephelus, as E. Apua of Bermuda, and E. Drummond-hayi of Florida; called also coney, John Paw, spotted hind. ... Origin: AS. Hind; akin to D. Hinde, OHG. Hinta, G. Hinde, hindin, Icel, Sw, & Dan. Hind, and perh. …
Hind II<enzyme, molecular biology> First type II restriction endonuclease identified, by Hamilton Smith in 1970. Isolated from Haemophilus influenzae, it cleaves the sequence GTPyPuAC between the unspecified pyrimidine and purine generating blunt ends. ... (18 Nov 1997) ...
Hind III<enzyme, molecular biology> Commonly used type II restriction endonuclease isolated from Haemophilus influenzae, it cleaves the sequence AAGCTT between the two As thus generating sticky ends. ... (18 Nov 1997) ...
hindbrain vesicleSynonym for rhombencephalon ... That part of the brainstem constituting the medulla oblongata (myelencephalon) and pons (metencephalon). ... (12 Dec 1998) ...
hinder1. To keep back or behind; to prevent from starting or moving forward; to check; to retard; to obstruct; to bring to a full stop; often followed by from; as, an accident hindered the coach; drought hinders the growth of plants; to hinder me from going. 'Them that were entering in ye hindered.' (Luke xi. 52) 'I hinder you too long.' (Shak) ... 2. To …
hindlimbEither of two extremities of four-footed non-primate land animals. It usually consists of a femur, tibia and fibula, tarsals, metatarsals, and toes. ... (12 Dec 1998) ...
hindlimb suspensionTechnique for limiting use, activity, or movement by immobilizing or restraining animal by suspending from hindlimbs or tails. This immobilization is used to simulate some effects of reduced gravity and study weightlessness physiology. ... (12 Dec 1998) ...
hindquarter amputationSynonym for hemipelvectomy ... <procedure> Amputation of a lower limb through the sacroiliac joint. ... (12 Dec 1998) ...
hinduismA complex body of social, cultural, and religious beliefs and practices evolved in and largely confined to the indian subcontinent and marked by a caste system, an outlook tending to view all forms and theories as aspects of one eternal being and truth, and the practice of the way of works, the way of knowledge, or the way of devotion as a means of …
hindwaterColloquialism for amniotic fluid in utero behind the presenting part of the foetus. ... (05 Mar 2000) ...
Hines-Brown testSynonym for cold pressor test ... A cardiocirculatory challenge conventionally performed by immersing one hand in ice cold water for two or more minutes (as tolerated) to acutely raise the blood pressure, thus imposing resistance to ejection of blood from the left ventricle into the systemic arterial system and consequently acutely increased afterlo …
hinge1. The hook with its eye, or the joint, on which a door, gate, lid, etc, turns or swings; a flexible piece, as a strip of leather, which serves as a joint to turn on. 'The gate self-opened wide, On golden hinges turning.' (Milton) ... 2. That on which anything turns or depends; a governing principle; a cardinal point or rule; as, this argument was t …
hinge axisSynonym for transverse horizontal axis ... An imaginary line around which the mandible may rotate through the horizontal plane. ... Synonym: hinge axis, mandibular axis. ... (05 Mar 2000) ...
hinge jointA uniaxial joint in which a broad, transversely cylindrical convexity on one bone fits into a corresponding concavity on the other, allowing of motion in one plane only, as in the elbow. ... Synonym: ginglymus, ginglymoid joint. ... (05 Mar 2000) ...
hinge movementAn opening or closing movement of the mandible on the hinge axis. ... (05 Mar 2000) ...
hinge positionIn dentistry, the orientation of parts in a manner permitting hinge movement between them. ... (05 Mar 2000) ...
hinge region<immunology, molecular biology> Flexible region of a polypeptide chain for example: as in immunoglobulins between Fab and Fc regions and in myosin the S2 portion of heavy meromyosin. ... (18 Nov 1997) ...
hinge-bowSynonym for face-bow ... <dentistry, equipment> A wire caliper-like device used to record the relationship of the jaws to the temporomandibular joints. The resulting record can then be used to create a cast or model of the maxilla to the opening and closing axis of the articulator. ... They consists of two metal parts attached together. The inn …
hinged flapA turnover flap transferred by lifting it over on its pedicle as though the pedicle was a hinge. ... (05 Mar 2000) ...
HinmanFrank, Jr., U.S. Urologist, *1915. ... See: Hinman syndrome. ... (05 Mar 2000) ...
Hinman syndromeSynonym for nonneurogenic neurogenic bladder ... <urology> Detrusor-sphincter incoordination with urinary incontinence, constipation, urinary tract infection, upper tract changes. ... Synonym: Hinman syndrome, pseudoneurogenic bladder. ... (05 Mar 2000) ...
HintonWilliam A., U.S. Physician, 1883-1959. ... See: Hinton test, Mueller-Hinton agar. ... (05 Mar 2000) ...
Hinton testA formerly widely used precipitin (flocculation) test for syphilis in which the 'antigen' consisted of glycerol, cholesterol, and beef heart extract. ... (05 Mar 2000) ...
hip1. The projecting region of the lateral parts of one side of the pelvis and the hip joint; the haunch; the huckle. ... 2. The external angle formed by the meeting of two sloping sides or skirts of a roof, which have their wall plates running in different directions. ... 3. <engineering> In a bridge truss, the place where an inclined end post me …
hip arthroplasty<orthopaedics> Surgery to replace all or part of the hip joint with an artificial device that re-establishes normal hip joint motion. Indicated in cases of severe intractable degenerative arthritis. ... (27 Sep 1997) ...
hip boneA large flat bone formed by the fusion of the ilium, ischium, and pubis (in the adult), constituting the lateral half of the pelvis; it articulates with its fellow anteriorly, with the sacrum posteriorly, and with the femur laterally. ... Synonym: os coxae, coxa, coxal bone, innominate bone, os innominatum. ... (05 Mar 2000) ...
hip bursitisA bursa is a fluid-filled sac that functions as a gliding surface to reduce friction between moving tissues of the body. There are two major bursae of the hip. Bursitis is usually not infectious, but the bursa can become infected. Treatment of non-infectious bursitis includes rest, ice, and medications for inflammation and pain. Infectious bursitis …
hip contracturePermanent fixation of the hip in primary positions, with limited passive or active motion at the hip joint. Locomotion is difficult and pain is sometimes present when the hip is in motion. It may be caused by trauma, infection, or poliomyelitis. ... (12 Dec 1998) ...
hip disease<radiology> Legg-Calve-Perthes disease, slipped capital femoral epiphysis (SCFE), congenital dislocation, acquired hip dislocation ... (12 Dec 1998) ...
hip dislocation<radiology> Usually posterior, hip flexed, knee hits dashboard during deceleration, superior migration of femoral head, with or without acetabular fracture ... (12 Dec 1998) ...
hip dislocation, congenitalCongenital dislocation of the hip generally includes subluxation of the femoral head, acetabular dysplasia, and complete dislocation of the femoral head from the true acetabulum. This condition occurs in approximately 1 in 1000 live births and is more common in females than in males. ... (12 Dec 1998) ...
hip dysplasiaA developmental disease of dogs in which joint instability due to disconformity of the head of the femur and the acetabulum allows excessive movement of the femoral head. ... (05 Mar 2000) ...
hip dysplasia, canineA hereditary disease of the hip joints in dogs. Signs of the disease may be evident any time after 4 weeks of age. ... (12 Dec 1998) ...
hip fracture<orthopaedics> A fracture of the hip commonly occurs in the neck of the femur (thigh bone). The elderly and those who suffer from osteoporosis are at greatest risk. ... (27 Sep 1997) ...
hip fracturesFractures of the femur head, the femur neck, the trochanters, or the inter- or subtrochanteric region. Excludes fractures of the acetabulum and fractures of the femoral shaft below the subtrochanteric region. For the fractures of the femur neck the specific term femoral neck fractures is available. ... (12 Dec 1998) ...
hip jointThe ball-and-socket synovial joint between the head of the femur and the acetabulum. ... Synonym: articulatio coxae, coxa, thigh joint. ... (05 Mar 2000) ...
hip phenomenonSynonym for Joffroy's reflex ... Twitching of the glutei muscles when firm pressure is made on the nates, in cases of spastic paralysis. ... Synonym: hip phenomenon. ... (05 Mar 2000) ...
hip pointerSportstalk for an iliac crest contusion (a bruise of the upper edge of the ilium, one of the hip bones). ... (12 Dec 1998) ...
hip prosthesisReplacement for a hip joint. ... (12 Dec 1998) ...
hip replacementSurgery to replace all or part of the hip joint with an artificial device that re-establishes normal hip joint motion. Indicated in cases of severe intractable degenerative arthritis (DJD). ... (27 Sep 1997) ...
