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

third stage of labour
The part of labour from the birth of the baby until the placenta (afterbirth) and foetal membranes are delivered. The third stage of labour is also called the placental stage. ... (12 Dec 1998) ...

third temporal convolution
Synonym for inferior temporal gyrus ... A sagittal convolution on the inferolateral border of the temporal lobe of the cerebrum, separated from the middle temporal gyrus by the inferior temporal sulcus. On the inferior surface of the temporal lobe it is separated from the medial occipitotemporal gyrus by the occipitotemporal sulcus. It includes the …

third tonsil
Synonym for pharyngeal tonsil ... A collection of more or less closely aggregated lymphoid nodules on the posterior wall and roof of the nasopharynx, the hypertrophy of which constitutes the morbid condition called adenoids. ... Synonym: tonsilla pharyngealis, tonsilla adenoidea, Luschka's gland, Luschka's tonsil, third tonsil. ... (05 Mar 2000) ...

third trochanter
An occasional process at the proximal end of the lateral lip of the linea aspera of the femur, about on a level with the lesser trochanter, giving insertion to the greater part of the gluteus maximus muscle. ... See: gluteal tuberosity. ... (05 Mar 2000) ...

third ventricle
A narrow, vertically oriented, irregularly quadrilateral cavity in the midplane, extending from the lamina terminalis to the rostral opening of the mesencephalic aqueduct. This ventricle communicates at its rostrodorsal corner with each of the two lateral ventricles through the left and right interventricular foramen of Monro. Its narrow roof is fo …

third ventriculostomy
<procedure> An operation to establish an opening from the third ventricle to the prechiasmal and interpeduncular cisterns (Stookey-Scarff operation) or from the third ventricle to the interpeduncular cistern (Dandy operation). ... (05 Mar 2000) ...

third-order kinetics
<pharmacology> A term describing the reaction rate of a chemical reaction in which the rate is proportional to the product of the concentrations (in moles) of three of the reactants, the product of the molar concentration of one reactant and the square of the molar concentration of another reactant, or the cube of the molar concentration of o …

thirst fever
An elevation of temperature in infants after reduction of fluid intake, diarrhoea, or vomiting; probably caused by reduced available body water, with reduced heat loss by evaporation; an analogous condition in adults is seen when exertion is continued in the face of dehydration. ... Synonym: dehydration fever, exsiccation fever, inanition fever. ... …

Thiry
Ludwig, Austrian physiologist, 1817-1897. ... See: Thiry's fistula, Thiry-Vella fistula. ... (05 Mar 2000) ...

Thiry-Vella fistula
Experimental isolation of a segment of intestine in a dog or other animal; the mesenteric attachment is preserved, the divided intestine at each end of the segment is joined by anastomosis, and the ends of the segment are stitched to openings in the abdominal wall. ... Synonym: Vella's fistula. ... (05 Mar 2000) ...

Thiry's fistula
An artificial fistula for collecting the intestinal secretions of a dog or other animal for experimental purposes; a loop of intestine is isolated, its vascular and nervous connections are preserved, and the continuity of the intestinal tract is restored by anastomosis; one end of the isolated segment is closed, the other attached to the skin of th …

this
Origin: OE. This, thes, AS. Oes, masc, oeos, fem, ois, neut.; akin to OS. These, D. Deze, G. Dieser, OHG. Diser, deser, Icel. Oessi; originally from the definite article + a particle -se, -si; cf. Goth. Sai behold. See The, That, and cf. These, Those. ... 1. As a demonstrative pronoun, this denotes something that is present or near in place or time, …

thistle
<botany> Any one of several prickly composite plants, especially those of the genera Cnicus, Craduus, and Onopordon. The name is often also applied to other prickly plants. Blessed thistle, Carduus benedictus, so named because it was formerly considered an antidote to the bite of venomous creatures. Bull thistle, Cnicus lanceolatus, the commo …

thixolabile
Susceptible to thixotropy. ... (05 Mar 2000) ...

thixotropic
Pertaining to, or characterised by, thixotropy. ... (05 Mar 2000) ...

thixotropic fluid
A liquid that tends to turn into a gel when left standing, but which turns back into a liquid if agitated, as by vibrations or subjection to adequate shear. ... (05 Mar 2000) ...

thixotropy
The property of certain gels of becoming less viscous when shaken or subjected to shearing forces and returning to the original viscosity upon standing (e.g., synovial fluid, ferrous hydroxide gel); a characteristic of a system exhibiting a decrease in viscosity with an increase in the rate of shear, usually a function of time. ... Synonym: reclotti …

thogoto-like viruses
A genus of the family orthomyxoviridae comprising tick-borne viruses occasionally infecting humans. Dhori and thogoto viruses were formerly thought to be members of bunyaviridae. Thogoto virus is the type species. ... (12 Dec 1998) ...

Thoma
Richard, German histologist, 1847-1923. ... See: Thoma's ampulla, Thoma's fixative, Thoma's laws. ... (05 Mar 2000) ...

Thoma's ampulla
A dilation of the arterial capillary beyond the sheathed artery of the spleen. ... (05 Mar 2000) ...

Thoma's fixative
Nitric acid in 95% alcohol, used for decalcifying bone in the preparation of histologic specimens. ... (05 Mar 2000) ...

Thoma's laws
The development of blood vessels is governed by dynamic forces acting on their walls as follows: an increase in velocity of blood flow causes dilation of the lumen; an increase in lateral pressure on the vessel wall causes it to thicken; an increase in end-pressure causes the formation of new capillaries. ... (05 Mar 2000) ...

Thomas
Hugh Owen, British surgeon, 1834-1891. ... See: Thomas splint. ... (05 Mar 2000) ...

Thomas splint
A long leg splint extending from a ring at the hip to beyond the foot, allowing traction to a fractured leg, for emergencies and transportation. ... (05 Mar 2000) ...

thombi
Just the plural of thrombus. See: Thrombus. ... (12 Dec 1998) ...

Thompson, Sir Henry
<person> English surgeon, 1820-1904. ... See: Thompson's test. ... (05 Mar 2000) ...

Thompson's ligament
Synonym for iliopubic tract ... Thickened inferior margin of the transversalis fascia seen as a fibrous band running parallel and posterior (deep) to the inguinal ligament, contributing to the posterior wall of the inguinal canal as it bridges the external iliac-femoral vessels from the iliopectineal arch to the superior pubic ramus. It marks the in …

Thompson's test
The urine, in a case of gonorrhoea, is passed into two glasses; if the gonococci and gonorrhoeal threads are found only in the first glass the probability is that the process is limited to the anterior urethra. ... Synonym: two-glass test. ... (05 Mar 2000) ...

Thomsen, Asmus
<person> Danish physician, 1815-1896. ... See: Thomsen's disease. ... (05 Mar 2000) ...

Thomson scattering
<radiobiology> Scattering of photons by electrons, in the classical (low photon energy) limit. Laser light passed through a plasma will experience Thomson scattering, the spread of the scattered light in energy provides a very good measurement of the electron temperature of the plasma. ... (09 Oct 1997) ...

Thomson, F
<person> English physician, 1867-1938. ... See: Thomson's sign. ... (05 Mar 2000) ...

Thomson, Matthew Sidney
<person> English dermatologist, *1894. ... See: Rothmund-Thomson syndrome. ... (05 Mar 2000) ...

Thomson's disease
<disease> Glycogen storage disease in which the missing enzyme is phosphoglucomutase. ... See: lysosomal diseases. ... (18 Nov 1997) ...

Thomson's sign
Synonym for Pastia's sign ... <clinical sign> The presence of pink or red transverse lines at the bend of the elbow in the preeruptive stage of scarlatina; they persist through the eruptive stage and remain as pigmented lines after desquamation. ... Synonym: Thomson's sign. ... (05 Mar 2000) ...

thong
A strap of leather; especially, one used for fastening anything. 'And nails for loosened spears, and thongs for shields, provide. ... <zoology> ' (Dryden) Thong seal, the bearded seal. See the Note under Seal. ... Origin: OE. Thong, thwong, thwang, AS. Thwang; akin to Icel. Thvengr a thong, latchet. 57. Cf. Twinge. ... Source: Websters Dictionar …

thonzonium bromide
Hexadecyl[2-[(p-methoxybenzyl)-2-pyrimidinylamino]ethyl]dimethylammonium bromide;a surface-active agent used in ear drops and aerosols. ... (05 Mar 2000) ...

thonzylamine hydrochloride
2-[(2-Dimethylaminoethyl)(p-methoxybenzyl)amino]pyrimidine hydrochloride;an antihistamine. ... (05 Mar 2000) ...

thorac oceloschisis
A congenital fissure of the trunk embracing both the thoracic and abdominal cavities. ... Synonym: thoracogastroschisis. ... Origin: thoraco-+ G. Koilia, belly, + schisis, fissure ... (05 Mar 2000) ...

thoracal
Synonym for thoracic ... <anatomy> Pertaining to or affecting the chest. ... Origin: L. Thoracicus, Gr. Thorakikos ... (18 Nov 1997) ...

thoracalgia
Pain in the chest. ... Synonym: thoracodynia. ... Origin: thoraco-+ G. Algos, pain ... (05 Mar 2000) ...

thoracentesis
<procedure> A medical procedure that involves the removal of fluid from the chest cavity using a hollow bore needle. ... Thoracentesis is performed for therapeutic reasons when drawing off large volumes of fluid and for diagnostic reasons (to analyse the fluid). ... (27 Sep 1997) ...

thoracic
<anatomy> Pertaining to or affecting the chest. ... Origin: L. Thoracicus, Gr. Thorakikos ... (18 Nov 1997) ...

thoracic aorta
The part of the descending aorta that supplies structures as far down as the diaphragm. ... Synonym: pars thoracica aortae, aorta thoracica, thoracic part of aorta. ... (05 Mar 2000) ...

thoracic aortic aneurysm
<radiology> Normal size: 4-5 cm, most aneurysms rupture when more than 10 cm, mean age: 65 years; M:F = 3:1 associated with: hypertension, coronary artery disease, abdominal aortic aneurysm symptoms: substernal, back, shoulder pain (25%), superior vena cava syndrome, dysphagia, stridor, dyspnea, hoarseness see: aortic aneurysm ... (12 Dec 1998 …

thoracic aortic plexus
An autonomic plexus surrounding the thoracic aorta and passing with it through the aortic opening in the diaphragm, to become continuous with the abdominal aortic plexus. ... Synonym: plexus aorticus thoracicus. ... (05 Mar 2000) ...

thoracic arteries
Arteries originating from the subclavian or axillary arteries and distributing to the anterior thoracic wall, mediastinal structures, diaphragm, pectoral muscles, mammary gland and the axillary aspect of the chest wall. ... (12 Dec 1998) ...

thoracic axis
Synonym for thoracoacromial artery ... <anatomy, artery> Origin, axillary; distribution, muscles and skin of shoulder and upper chest; anastomoses, branches of superior thoracic, internal thoracic, lateral thoracic, posterior and anterior circumflex humeral, and suprascapular. ... Synonym: arteria thoracoacromialis, acromiothoracic artery, thor …

thoracic cage
The skeleton of the thorax consisting of the thoracic vertebrae, ribs, costal cartilages, and sternum. ... Synonym: compages thoracis, skeleton thoracicus. ... (05 Mar 2000) ...

thoracic cardiac nerves
Part of the cardiopulmonary splanchnic nerves from the second to fifth segments of the thoracic sympathetic trunk that pass medially and anteriorly to enter the cardiac plexus; they convey postsynaptic sympathetic fibres to, and visceral afferent (pain) fibres from, the heart. ... Synonym: nervi cardiaci thoracici, upper thoracic splanchnic nerves.< …

thoracic cavity
The space within the thoracic walls, bounded below by the diaphragm and above by the neck. ... Synonym: cavitas thoracis, cavum thoracis. ... (05 Mar 2000) ...

thoracic choke
Obstruction by a foreign body in the thoracic portion of the oesophagus of an animal. ... (05 Mar 2000) ...

thoracic compliance
That portion of total ventilatory compliance ascribable to compliance of the thoracic cage. ... (05 Mar 2000) ...

thoracic duct
<anatomy> The major efferent lymph duct into which lymph from most of the peripheral lymph nodes drains. ... Recirculating lymphocytes that have left the circulation in the lymph node return to the blood through the thoracic duct. ... (18 Nov 1997) ...

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

thoracic ganglia
Ganglia, 11 or 12 on either side, at the level of the head of each rib, constituting with the interganglionic rami the thoracic portion of the sympathetic trunk. ... Synonym: ganglia thoracica. ... (05 Mar 2000) ...

thoracic girdle
shoulder girdle ...

thoracic glands
Synonym for ecdysial gland ... <entomology> Insect structures that originate from the ectoderm of the ventrocaudal part of the head and serve as a source of ecdysone. ... Synonym: peritracheal glands, prothoracic glands, thoracic glands, ventral glands. ... (05 Mar 2000) ...

thoracic goiter
Enlargement of accessory thyroid tissue in the thorax with or without hyperthyroidism. ... (05 Mar 2000) ...

thoracic index
Anteroposterior diameter of the thorax times 100 divided by the transverse diameter of the thorax. ... Synonym: chest index. ... (05 Mar 2000) ...

thoracic injuries
General or unspecified injuries to the chest area. ... (12 Dec 1998) ...

thoracic interspinal muscle
Synonym for thoracic interspinales muscles ... Often poorly developed or absent muscles between spinous process of thoracic vertebrae; action, extends thoracic vertebrae; nerve supply, dorsal primary rami of thoracic nerves. ... Synonym: musculus interspinalis thoracis, thoracic interspinal muscle. ... (05 Mar 2000) ...

thoracic interspinales muscles
Often poorly developed or absent muscles between spinous process of thoracic vertebrae; action, extends thoracic vertebrae; nerve supply, dorsal primary rami of thoracic nerves. ... Synonym: musculus interspinalis thoracis, thoracic interspinal muscle. ... (05 Mar 2000) ...

thoracic intertransversarii muscles
Origin, transverse processes of thoracic vertebrae; insertion, next superior transverse process; action, abducts thoracic vertebrae; nerve supply, dorsal primary rami of thoracic nerves. ... Synonym: musculi intertransversarii thoracis, thoracic intertransverse muscles. ... (05 Mar 2000) ...

thoracic intertransverse muscles
Synonym for thoracic intertransversarii muscles ... Origin, transverse processes of thoracic vertebrae; insertion, next superior transverse process; action, abducts thoracic vertebrae; nerve supply, dorsal primary rami of thoracic nerves. ... Synonym: musculi intertransversarii thoracis, thoracic intertransverse muscles. ... (05 Mar 2000) ...

thoracic kidney
Ectopic kidney that partially lies above the diaphragm in the posterior mediastinum. ... (05 Mar 2000) ...

thoracic limb
Synonym for upper limb ... The shoulder, arm, forearm, wrist, and hand. ... Synonym: membrum superius, superior limb, thoracic limb, upper extremity. ... (05 Mar 2000) ...

thoracic longissimus muscle
Synonym for longissimus thoracis ... <anatomy, muscle> Origin, with iliocostalis and from transverse processes of lower thoracic vertebrae; insertion, by lateral slips into most or all of the ribs between angles and tubercles and into tips of transverse processes of upper lumbar vertebrae, and by medial slips into accessory processes of upper …

thoracic nerves
The twelve pairs of spinal nerves that arise from the thoracic segments of the spinal cord, each pair leaving the vertebral column below the correspondingly numbered vertebra. They innervate the body wall of the thorax and abdomen. ... (12 Dec 1998) ...

thoracic outlet syndrome
<syndrome> Condition due to compromise of blood vessels or nerve fibres between the armpit (axilla) and base of the neck. ... (12 Dec 1998) ...

thoracic part of aorta
Synonym for thoracic aorta ... The part of the descending aorta that supplies structures as far down as the diaphragm. ... Synonym: pars thoracica aortae, aorta thoracica, thoracic part of aorta. ... (05 Mar 2000) ...

thoracic part of oesophagus
The part of the oesophagus between the superior thoracic aperture and the diaphragm. ... Synonym: pars thoracica oesophagi. ... (05 Mar 2000) ...

thoracic part of spinal cord
The part of the spinal cord which consists of the twelve thoracic segments of the spinal cord from which the twelve pairs of thoracic nerves originate. ... Synonym: pars thoracica medullae spinalis, segmenta medullae spinalis thoracica. ... (05 Mar 2000) ...

thoracic part of thoracic duct
Synonym for pars thoracica ductus thoracici ... thoracic part of thoracic duct ...

thoracic respiration
Respiration effected chiefly by the action of the intercostal and other muscles that raise the ribs, causing expansion of the chest. ... Synonym: costal respiration. ... (05 Mar 2000) ...

thoracic rotator muscles
Synonym for rotatores thoracis muscles ... The rotators of the thoracic vertebrae. ... Synonym: musculi rotatores thoracis, thoracic rotator muscles. ... (05 Mar 2000) ...

thoracic spinal nerves
Twelve nerves on each side, mixed motor and sensory, supplying the muscles and skin of the thoracic and abdominal walls. ... Synonym: nervi thoracici. ... (05 Mar 2000) ...

thoracic spine
The thoracic region of the vertebral column; the thoracic vertebrae as a whole; that part of the vertebral column which enters into the formation of the thorax. ... (05 Mar 2000) ...

thoracic spine fracture
<orthopaedics> Bony fracture of one of the twelve thoracic vertebrae. ... (27 Sep 1997) ...

thoracic splanchnic nerves
Splanchnic nerves arising from the thoracic portion of the sympathetic trunks; the upper thoracic splanchnic nerves (from T1 to T4 or 5) pass to viscera above the diaphragm (mainly heart and lungs) and so are cardiopulmonary splanchnic nerves; the lower thoracic splanchnic nerves form the greater, lesser, and lowest splanchnic nerves and supply vis …

thoracic stomach
A condition in which part or all of the stomach is contained within the thorax; a variant of hiatal hernia. ... Trifid stomach, a condition in which the stomach is divided by two constrictions into three pouches. ... Wallet stomach, a form of dilated stomach in which there is a general bag like distention, the antrum and fundus being indistinguishabl …

thoracic surgeon
<specialist> A physician specialist expert in the surgical treatment of diseases of the chest, heart and lungs. ... (27 Sep 1997) ...

thoracic surgery
<study> A branch of medicine dealing with the use of surgery to treat diseases of the chest and lungs. ... (09 Oct 1997) ...

thoracic surgical procedures
Surgery performed on the thoracic organs, most commonly the lungs and the heart. ... (12 Dec 1998) ...

thoracic veins
See: internal thoracic vein, lateral thoracic vein. ... (05 Mar 2000) ...

thoracic vertebrae
The segments of the vertebral column, usually twelve, which articulate with ribs to form part of the thoracic cage. ... Synonym: vertebrae thoracicae. ... (05 Mar 2000) ...

thoracic wall
Synonym for chest wall ... In respiratory physiology, the total system of structures outside the lungs that move as a part of breathing; it includes the rib cage, diaphragm, abdominal wall, and abdominal contents. ... Synonym: thoracic wall. ... (05 Mar 2000) ...

thoracicoabdominal
Synonym for thoracoabdominal ... Relating to the thorax and the abdomen. ... Synonym: thoracicoabdominal. ... (05 Mar 2000) ...

thoracicoacromial
Synonym for thoracoacromial ... Relating to the acromion and the thorax; denoting especially the thoracoacromial artery. ... Synonym: acromiothoracic, thoracicoacromial. ... (05 Mar 2000) ...

thoracicohumeral
Relating to the thorax and the humerus. ... (05 Mar 2000) ...

thoraco-
The chest (thorax). ... Origin: G. Thorax ... (05 Mar 2000) ...

thoracoabdominal
Relating to the thorax and the abdomen. ... Synonym: thoracicoabdominal. ... (05 Mar 2000) ...

thoracoabdominal nerves
The ventral primary rami of spinal nerves T7-T11 (seventh to eleventh intercostal nerves), which supply the abdominal as well as the thoracic wall; innervate intercostal, subcostal, serratus posterior inferior, transversus abdominis, external and internal oblique, and rectus abdominis muscles, and provide sensory branches to the periphery of the di …

thoracoacromial
Relating to the acromion and the thorax; denoting especially the thoracoacromial artery. ... Synonym: acromiothoracic, thoracicoacromial. ... (05 Mar 2000) ...

thoracoacromial artery
<anatomy, artery> Origin, axillary; distribution, muscles and skin of shoulder and upper chest; anastomoses, branches of superior thoracic, internal thoracic, lateral thoracic, posterior and anterior circumflex humeral, and suprascapular. ... Synonym: arteria thoracoacromialis, acromiothoracic artery, thoracic axis, thoracoacromial trunk. ... ( …

thoracoacromial trunk
Synonym for thoracoacromial artery ... <anatomy, artery> Origin, axillary; distribution, muscles and skin of shoulder and upper chest; anastomoses, branches of superior thoracic, internal thoracic, lateral thoracic, posterior and anterior circumflex humeral, and suprascapular. ... Synonym: arteria thoracoacromialis, acromiothoracic artery, thor …

thoracoacromial vein
<anatomy, vein> Corresponding to the artery of the same name, empties into the axillary vein, sometimes by a common trunk with the cephalic vein. ... Synonym: vena thoracoacromialis, thoracic axis. ... (05 Mar 2000) ...

thoracocentesis
Synonym for thoracentesis ... <procedure> A medical procedure that involves the removal of fluid from the chest cavity using a hollow bore needle. ... Thoracentesis is performed for therapeutic reasons when drawing off large volumes of fluid and for diagnostic reasons (to analyse the fluid). ... (27 Sep 1997) ...

thoracocyllosis
A deformity of the chest. ... Origin: thoraco-+ G. Kyllosis, a crippling ... (05 Mar 2000) ...

thoracocyrtosis
Abnormally wide curvature of the chest wall. ... Origin: thoraco-+ G. Kyrtosis, a being crooked ... (05 Mar 2000) ...

thoracodelphus
Synonym for thoradelphus ... Duplicitas posterior in which, from the navel upward, the conjoined twins are fused into one. ... See: conjoined twins. ... Synonym: thoracodelphus. ... Origin: thoraco-+ G. Adelphos, brother ... (05 Mar 2000) ...