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

sphygmoid
Pulselike; resembling the pulse. ... Origin: sphygmo-+ G. Eidos, resemblance ... (05 Mar 2000) ...

sphygmomanometer
An instrument used for determining arterial blood pressure indirectly. The two types are aneroid (dial face) and mercury (column). ... (27 Sep 1997) ...

sphygmomanometers
Instruments for measuring arterial blood pressure consisting of an inflatable cuff, inflating bulb, and a gauge showing the blood pressure. ... (12 Dec 1998) ...

sphygmomanometry
Determination of the blood pressure by means of a sphygmomanometer. ... (05 Mar 2000) ...

sphygmometroscope
<instrument> An instrument for auscultating the pulse, used especially in the auscultatory method of reading the blood pressure, particularly the diastolic pressure. ... Origin: sphygmo-+ G. Metron, measure, + skopeo, to view ... (05 Mar 2000) ...

sphygmopalpation
Feeling the pulse. ... Origin: sphygmo-+ L. Palpatio, palpation ... (05 Mar 2000) ...

sphygmoscopy
Examination of the pulse. ... Origin: sphygmo-+ G. Skopeo, to view ... (05 Mar 2000) ...

sphygmosystole
An obsolete term for that segment of the pulse wave corresponding to the cardiac systole. ... Origin: sphygmo-+ G. Systole, a contracting ... (05 Mar 2000) ...

sphygmotonograph
An instrument for recording graphically both the pulse and the blood pressure. ... Origin: sphygmo-+ G. Tonos, tension, + grapho, to write ... (05 Mar 2000) ...

sphygmotonometer
An instrument, like the sphygmotonograph, for determining the degree of blood pressure. ... Origin: sphygmo-+ G. Tonos, tension, + metron, measure ... (05 Mar 2000) ...

sphygmoviscosimetry
Measurement of the pressure and the viscosity of the blood. ... (05 Mar 2000) ...

Spi 1
<oncogene> Proto-oncogene encoding a transcription factor (PU1) that binds to purine rich sequences (PU boxes) expressed in haematopoetic cells. ... (18 Nov 1997) ...

spica bandage
Successive strips of material applied to the body and the first part of a limb, or to the hand and a finger, which overlap slightly in a V to resemble an ear of grain. ... Origin: L. Spica, ear of grain ... (05 Mar 2000) ...

spice
1. Species; kind. 'The spices of penance ben three.' (Chaucer) 'Abstain you from all evil spice.' (Wyclif (1. Thess,v. 22)) 'Justice, although it be but one entire virtue, yet is described in two kinds of spices. The one is named justice distributive, the other is called commutative.' (Sir T. Elyot) ... 2. A vegetable production of many kinds, fragr …

spices
The dried seeds, bark, root, stems, buds, leaves, or fruit of aromatic plants used to season food. ... (12 Dec 1998) ...

spicular
Relating to or having spicules. ... (05 Mar 2000) ...

spicule
A small, slender, sharp-pointed piece, usually on a surface, a small spike of flowers. ... (09 Oct 1997) ...

spicy
1. Flavored with, or containing, spice or spices; fragrant; aromatic; as, spicy breezes. 'The spicy nut-brown ale.' 'Led by new stars, and borne by spicy gales.' (Pope) ... 2. Producing, or abounding with, spices. 'In hot Ceylon spicy forests grew.' (Dryden) ... 3. Piquant; racy; as, a spicy debate. ... Synonym: Aromatic, fragrant, smart, pungent, poi …

spider
1. <zoology> Any one of numerous species of arachnids comprising the order Araneina. Spiders have the mandibles converted into poison fangs, or falcers. The abdomen is large and not segmented, with two or three pairs of spinnerets near the end, by means of which they spin threads of silk to form cocoons, or nests, to protect their eggs and yo …

spider angiomas
A branched growth of dilated capillaries on the skin, resembling a spider. This abnormality may be associated with cirrhosis of the liver. ... (27 Sep 1997) ...

spider cancer
An obsolete term for a malignant neoplasm with a rhizoid or filamentous edge of thin, threadlike, red lines that represent dilated vascular channels associated with the neoplasm; a form of telangiectatic cancer. ... (05 Mar 2000) ...

spider cell
Synonym for astrocyte ... <pathology> A glial cell found in vertebrate brain, named for its characteristic star like shape. ... Astrocytes lend both mechanical and metabolic support for neurons, regulating the environment in which they function. ... See: oligodendrocytes. ... (18 Nov 1997) ...

spider finger
Synonym for arachnodactyly ... <clinical sign> A skeletal disorder where the patient has unusually long, thin bones, especially noticeable in the fingers and toes. ... (09 Oct 1997) ...

spider haemangioma
spider angioma ...

spider mole
spider angioma ...

spider nevus
A branched growth of dilated capillaries on the skin, resembling a spider. This abnormality may be associated with cirrhosis of the liver. ... (27 Sep 1997) ...

spider pelvis
Narrow calices of renal pelvis. ... (05 Mar 2000) ...

spider telangiectasia
spider angioma ...

spider venoms
Venoms of arthropods of the order araneida of the arachnida. The venoms usually contain several protein fractions, including enzymes, haemolytic, neurolytic, and other toxins. ... (12 Dec 1998) ...

spider-burst
Radiating dull red capillary lines on the skin of the leg, usually without any visible or palpable varicose veins, but nevertheless due to deep-seated venous dilation; sometimes referred to as skyrocket capillary ectasis. ... Origin: spiderweb + sunburst ... (05 Mar 2000) ...

spiders
Arthropods of the class arachnida, order araneae. Except for mites and ticks, spiders constitute the largest order of arachnids, with approximately 37,000 species having been described. The majority of spiders are harmless, although some species can be regarded as moderately harmful since their bites can lead to quite severe local symptoms. ... (12 …

spiegel iron
<chemistry> A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel. ... Synonym: specular pig ir …

Spiegelberg
Otto, German gynecologist, 1830-1881. ... See: Spiegelberg's criteria. ... (05 Mar 2000) ...

Spiegelberg's criteria
1) the oviduct on the affected side must be intact; 2) the amnionic sac must occupy the position of the ovary; 3) the amnionic sac must be connected to the uterus by the ovarian ligament; and 4) ovarian tissue must be present in the wall of the amnionic sac. ... (05 Mar 2000) ...

Spieghel
Adrian van der. ... See: Spigelius. ... (05 Mar 2000) ...

Spiegler
Eduard, Austrian dermatologist, 1860-1908. ... See: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. ... (05 Mar 2000) ...

Spiegler-Fendt pseudolymphoma
Synonym for benign lymphocytoma cutis ... A soft red to violaceous skin nodule often involving the head, caused by dense infiltration of the dermis by lymphocytes and histiocytes, often forming lymphoid follicles, separated from the epidermis by a narrow noninfiltrating layer. ... Synonym: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. ... (05 …

Spiegler-Fendt sarcoid
Synonym for benign lymphocytoma cutis ... A soft red to violaceous skin nodule often involving the head, caused by dense infiltration of the dermis by lymphocytes and histiocytes, often forming lymphoid follicles, separated from the epidermis by a narrow noninfiltrating layer. ... Synonym: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. ... (05 …

Spielmeyer
Walter, Munich neurologist, 1879-1935. ... See: Spielmeyer's acute swelling, Spielmeyer-Stock disease, Spielmeyer-Vogt disease. ... (05 Mar 2000) ...

Spielmeyer-Sjogren disease
Cerebral sphingolipidosis, late juvenile type. ... (05 Mar 2000) ...

Spielmeyer-Stock disease
Retinal atrophy in amaurotic familial idiocy. ... (05 Mar 2000) ...

Spielmeyer-Vogt disease
Cerebral sphingolipidosis, late juvenile type. ... Synonym: Vogt-Spielmeyer disease. ... (05 Mar 2000) ...

spigelian
Relating to or described by Spigelius. ... (05 Mar 2000) ...

spigelian hernia
Abdominal hernia through the semilunar line. ... Synonym: lateral ventral hernia. ... (05 Mar 2000) ...

Spigelius
Adrian (van der Spieghel), Flemish anatomist in Padua, 1578-1625. ... See: spigelian hernia, Spigelius' line, Spigelius' lobe. ... (05 Mar 2000) ...

Spigelius' line
Synonym for linea semilunaris ... The slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath. ... Synonym: semilunar line, Spigelius' line. ... (05 Mar 2000) ...

Spigelius' lobe
Synonym for lobus caudatus ... A small lobe of the liver situated posteriorly between the sulcus for the vena cava and the fissure for the ligamentum venosum. ... Synonym: caudate lobe, Spigelius' lobe. ... Lobi cerebri, the major divisions of the cerebral hemisphere; they include the frontal, parietal, temporal, and occipital lobes, named for the ove …

spike
An unbranched, indeterminate inflorescence in which the flowers are without stalks. ... (09 Oct 1997) ...

spike and wave complex
A generalised, synchronous pattern seen on the electroencephalogram, consisting of a sharply contoured fast wave followed by a slow wave; particularly found in patients with generalised epilepsies. Spike and wave complexes are often characterised by their frequency, e.g., s low spike and wave, fast spike and wave. ... (05 Mar 2000) ...

spike potential
The main wave in the action potential of a nerve; it is followed by negative and positive afterpotentials. ... (05 Mar 2000) ...

spikelet
A unit of the inflorescence in grasses, sedges and some other monocotyledons, consisting of one to many flowers and associated glumes. ... (09 Oct 1997) ...

spikenard
1. <botany> An aromatic plant. In the United States it is the Aralia racemosa, often called spignet, and used as a medicine. The spikenard of the ancients is the Nardostachys Jatamansi, a native of the Himalayan region. From its blackish roots a perfume for the hair is still prepared in India. ... 2. A fragrant essential oil, as that from the …

spile
1. A small plug or wooden pin, used to stop a vent, as in a cask. ... 2. A small tube or spout inserted in a tree for conducting sap, as from a sugar maple. ... 3. A large stake driven into the ground as a support for some superstructure; a pile. Spile hole, a small air hole in a cask; a vent. ... Origin: Cf. LG. Spile, dial. G. Speil, speiler, D. Spi …

spilikin
One of a number of small pieces or pegs of wood, ivory, bone, or other material, for playing a game, or for counting the score in a game, as in cribbage. In the plural (spilikins), a game played with such pieces; pushpin. ... Alternative forms: spillikin, spilliken. ... Origin: OD. Spelleken a small pin. See Spill a splinter. ... Source: Websters Dict …

spill
1. To destroy; to kill; to put an end to. 'And gave him to the queen, all at her will To choose whether she would him save or spill.' (Chaucer) 'Greater glory think [it] to save than spill.' (Spenser) ... 2. To mar; to injure; to deface; hence, to destroy by misuse; to waste. 'They [the colours] disfigure the stuff and spill the whole workmanship.' …

spiloma
Synonym: nevus. ... Origin: G. Spilos, spot, + -oma, tumour ... (05 Mar 2000) ...

spiloplaxia
A red spot observed in leprosy or pellagra. ... Origin: G. Spilos, spot, + plax, a plaque, plate ... (05 Mar 2000) ...

spilt
A crack, or longitudinl fissure. ... 2. A breach or separation, as in a political party; a division. ... 3. A piece that is split off, or made thin, by splitting; a splinter; a fragment. ... 4. Specif, one of the sections of a skin made by dividing it into two or more thicknesses. ... 5. <veterinary> A division of a stake happening when two cards …

spilus
Synonym: nevus spilus. ... Origin: Mod. L. Fr. G. Spilos, a spot ... (05 Mar 2000) ...

spin
1. To practice spinning; to work at drawing and twisting threads; to make yarn or thread from fibre; as, the woman knows how to spin; a machine or jenny spins with great exactness. 'They neither know to spin, nor care to toll.' (Prior) ... 2. To move round rapidly; to whirl; to revolve, as a top or a spindle, about its axis. 'Round about him spun th …

spin density
The number of nuclear dipoles per unit volume. ... (05 Mar 2000) ...

spin echo
A commonly used technique to recover T2 relaxation signals in magnetic resonance imaging, by using a 180° inverting pulse in the pulse sequence to compensate for loss of transverse magnetization caused by magnetic field inhomogeneities. ... (05 Mar 2000) ...

spin labelling
<chemistry, technique> The technique of introducing a grouping with an unpaired electron to act as an electron spin resonance (ESR) reporter species. This is almost invariably a nitroxide compound (N O) in which the nitrogen forms part of a sterically hindered ring. ... (18 Nov 1997) ...

spin labels
Molecules which contain an atom or a group of atoms exhibiting an unpaired electron spin that can be detected by electron spin resonance spectroscopy and can be bonded to another molecule. ... (12 Dec 1998) ...

spin trapping
A technique for detecting short-lived reactive free radicals in biological systems by providing a nitrone or nitrose compound for an addition reaction to occur which produces an electron spin resonance spectroscopy-detectable aminoxyl radical. In spin trapping, the compound trapping the radical is called the spin trap and the addition product of th …

spin-lattice relaxation
Synonym for longitudinal relaxation ... In nuclear magnetic resonance, the return of the magnetic dipoles of the hydrogen nuclei (magnetization vector) to equilibrium parallel to the magnetic field, after they have been flipped 90°; varies in rate in different tissues, taking up to 15 seconds for water. ... See: TI. ... Synonym: spin-lattice relaxatio …

spin-polarized fusion
<radiobiology> A method to enhance nuclear fusion reaction rates in some fusion fuels by polarizing the nuclear spins. ... (09 Oct 1997) ...

spin-spin relaxation
Synonym for longitudinal relaxation ... In nuclear magnetic resonance, the return of the magnetic dipoles of the hydrogen nuclei (magnetization vector) to equilibrium parallel to the magnetic field, after they have been flipped 90°; varies in rate in different tissues, taking up to 15 seconds for water. ... See: TI. ... Synonym: spin-lattice relaxatio …

spina
Synonym: vertebral column. ... Origin: L. A thorn, the backbone, spine ... (05 Mar 2000) ...

spina angularis
Synonym for sphenoidal spine ... A posterior and downward projection from the greater wing of the sphenoid bone on either side, located posterolateral to the foramen spinosum, so-named for its proximity to the sphenoidal spine; gives attachment to the sphenomandibular ligament. ... Synonym: processus spinosus, spina ossis sphenoidalis, alar spine, an …

spina bifida
A congenital limited defect in the spinal column, characterised by the absence of the vertebral arches through which the spinal membranes and spinal cord may protrude. ... (27 Sep 1997) ...

spina bifida aperta
Synonym for spina bifida cystica ... A bony defect in the vertebral column through which the meningeal membranes that cover the spinal cord and part of the spinal cord protrude. An alternative term is meningomyelocele. ... (12 Dec 1998) ...

spina bifida cystica
A bony defect in the vertebral column through which the meningeal membranes that cover the spinal cord and part of the spinal cord protrude. An alternative term is meningomyelocele. ... (12 Dec 1998) ...

spina bifida manifesta
Synonym for spina bifida cystica ... A bony defect in the vertebral column through which the meningeal membranes that cover the spinal cord and part of the spinal cord protrude. An alternative term is meningomyelocele. ... (12 Dec 1998) ...

spina bifida occulta
Literally, a hidden cleft in the spine. A bony defect in the vertebral column which remains hidden, covered by skin ... (12 Dec 1998) ...

spina dorsalis
Synonym for vertebral column ... The series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord. ... Synonym: columna vertebralis, backbone, dorsal spine, rachis, spina dorsalis, spina, spina, spinal column, spine, vertebrarium. ... (05 Mar 2000) ...

spina frontalis
S, nasalis ossis frontalis. ... (05 Mar 2000) ...

spina helicis
Synonym for spine of helix ... An anteriorly directed spine at the extremity of the crus of the helix of the auricle. ... Synonym: spina helicis, apophysis helicis. ... (05 Mar 2000) ...

spina iliaca anterior inferior
Synonym for anterior inferior iliac spine ... Spine on the anterior border of the ilium between the anterior superior iliac spine and the acetabulum; site of origin for the direct head of the rectus femoris muscle. ... Synonym: spina iliaca anterior inferior. ... (05 Mar 2000) ...

spina iliaca anterior superior
Synonym for anterior superior iliac spine ... The anterior extremity of the iliac crest, which provides attachment for the inguinal ligament and the sartorius muscle. ... Synonym: spina iliaca anterior superior. ... (05 Mar 2000) ...

spina iliaca posterior inferior
Synonym for posterior inferior iliac spine ... Spine at the inferior end of the posterior border of the ilium between the posterior superior iliac spine and the greater sciatic notch; it forms the upper margin of the latter. ... Synonym: spina iliaca posterior inferior. ... (05 Mar 2000) ...

spina iliaca posterior superior
Synonym for posterior superior iliac spine ... The posterior extremity of the iliac crest, the uppermost point of attachment of the sacrotuberous and posterior sacroiliac ligaments; a readily apparent dimple occurs in the skin overlying the posterior superior iliac spine which is clinically useful as an indication of the level of the S-2 vertebra, t …

spina ischiadica
Synonym for ischial spine ... A pointed process from the posterior border of the ischium on a level with the lower border of the acetabulum; gives attachment to the sacrospinous ligament; the pudendal nerve passes dorsal to the ischial spine, which is palpable per vagina or rectum, and thus is used as a target for the needle-tip in administering a p …

spina meatus
Synonym for suprameatal spine ... Small bony prominence anterior to the supramastoid pit at the posterosuperior margin of the bony external acoustic meatus. ... Synonym: spina suprameatica, Henle's spine, meatal spine, spina meatus. ... (05 Mar 2000) ...

spina mentalis
Synonym for mental spine ... A slight projection, sometimes two, in the middle line of the posterior surface of the body of the mandible, giving attachment to the geniohyoid muscle (below) and the genioglossus (above). ... Synonym: spina mentalis, genial tubercle. ... (05 Mar 2000) ...

spina nasalis anterior
Synonym for anterior nasal spine ... A pointed projection at the anterior extremity of the intermaxillary suture; the tip, as seen on a lateral cephalometric radiograph, is used as a cephalometric landmark. ... Synonym: spina nasalis anterior. ... (05 Mar 2000) ...

spina nasalis ossis frontalis
Synonym for nasal spine of frontal bone ... A projection from the centre of the nasal part of the frontal bone, which lies between and articulates with the nasal bones and the perpendicular plate of the ethmoid. ... Synonym: spina nasalis ossis frontalis. ... (05 Mar 2000) ...

spina nasalis posterior
Synonym for posterior nasal spine ... The sharp posterior extremity of the nasal crest of the hard palate. ... Synonym: spina nasalis posterior, posterior palatine spine. ... (05 Mar 2000) ...

spina ossis sphenoidalis
Synonym for sphenoidal spine ... A posterior and downward projection from the greater wing of the sphenoid bone on either side, located posterolateral to the foramen spinosum, so-named for its proximity to the sphenoidal spine; gives attachment to the sphenomandibular ligament. ... Synonym: processus spinosus, spina ossis sphenoidalis, alar spine, an …

spina pedis
An obsolete term for a hard or soft corn. ... (05 Mar 2000) ...

spina peronealis
Synonym for peroneal trochlea of calcaneus ... A projection from the lateral side of the calcaneus between the tendons of the peroneus longus and brevis. ... Synonym: trochlea peronealis, trochlea fibularis calcanei, peroneal pulley, processus trochlearis, spina peronealis, trochlear process. ... (05 Mar 2000) ...

spina pubis
Synonym for pubic tubercle ... A small projection at the anterior extremity of the crest of the pubis about 2 cm from the symphysis. ... Synonym: tuberculum pubicum, pubic spine, spina pubis. ... (05 Mar 2000) ...

spina scapulae
Synonym for spine of scapula ... The prominent triangular ridge on the dorsal aspect of the scapula, providing attachment for the trapezius and deltoid muscles and separating the supra-and infraspinous fossae. ... Synonym: spina scapulae. ... (05 Mar 2000) ...

spina suprameatica
Synonym for suprameatal spine ... Small bony prominence anterior to the supramastoid pit at the posterosuperior margin of the bony external acoustic meatus. ... Synonym: spina suprameatica, Henle's spine, meatal spine, spina meatus. ... (05 Mar 2000) ...

spina trochlearis
Synonym for trochlear spine ... A spicule of bone arising from the edge of the trochlear fovea, giving attachment to the pulley of the superior oblique muscle of the eyeball. ... Synonym: spina trochlearis. ... (05 Mar 2000) ...

spina tympanica major
Synonym for greater tympanic spine ... The anterior edge of the tympanic notch (of Rivinus). ... Synonym: spina tympanica major. ... (05 Mar 2000) ...

spina tympanica minor
Synonym for lesser tympanic spine ... The posterior edge of the tympanic notch (of Rivinus). ... Synonym: spina tympanica minor. ... (05 Mar 2000) ...

spina ventosa
A condition occasionally seen in tuberculosis or tuberculous dactylitis, in which there is absorption of bone bordering the medulla, with a new deposit under the periosteum, resulting in a change that is suggestive of bone being inflated with gas. ... (05 Mar 2000) ...

spinacene
An obsolete term for squalene. ... (05 Mar 2000) ...

spinach
A widely cultivated plant, spinacia oleracea, native to asia, having succulent, edible leaves eaten as a vegetable. ... (12 Dec 1998) ...