(n.) A partition; a septum; specifically, the folds of the pleura (and the space included between them) which divide the thorax into a right and left cavity. The space included between these folds of the pleura, called the mediastinal space, contains the heart and gives passage to the esophagus and great blood vessels.
Example Sentences:
(1) The masses were solitary and located in the retroperitoneum (five cases), mediastinum (one case), and axilla (one case).
(2) In general, air from the mediastinum far more often enters the left pleural cavity than the right one.
(3) Although bronchogenic cysts may involve the mediastinum, they have rarely been responsible for significant upper airway obstruction.
(4) X-ray CT and MRI of the mediastinum showed images compatible with residual thymic tissue in 8 of 9 patients.
(5) Three years after radiotherapy to the mediastinum for Hodgkin's disease, a 28 year old female presented with incapacititating angina.
(6) Autopsy findings showed no scar formation of his testes, and the primary lesion was finally diagnosed to be in the anterior mediastinum.
(7) A round mass in the dorsal, upper-right mediastinum is demonstrated in a patient with aneurysm of the innominate artery.
(8) Testicular tissue at ectopic site was identified by presence of characteristic signal intensity pattern, mediastinum testis and its location along empty spermatic canal in cases of inguinal testis either singly or in combination.
(9) All SR algorithms that were postprocessed to optimize imaging of the mediastinum were significantly inferior to FR in the detection of pulmonary lesions.
(10) Clearance into the mediastinum may be the major pathway for liquid sequestered in the loose, binding connective tissue.
(11) By means of several diagnostic procedures consisting of radiography, fluoroscopy, roentgen-kymography, angiocardiography and needle-biopsy under visible control it is often possible to distinguish between primary pericardiac lesions and growths of the mediastinum lying in close contact to the heart.
(12) The authors present the selective catheterization of the veins of the neck and mediastinum via the subclavian vein.
(13) those undergoing extended lymphadenectomy (particularly for lymph nodes of both sides of neck and upper mediastinum) and those of old age (70 years or above), were investigated for eventual characteristic features of postoperative changes in the parameters mentioned above.
(14) In order to study the effects of the commonly employed contrast media alone and in combination with bacteria in the mediastinum, various mixtures of barium and meglamine diatrizoate (Gastrografin) with and without flora were instilled in the mediastinum of 29 domestic cats.
(15) Five of the six stage 2 patients had positive foci located in the mediastinum or the lung areas and in the myocardium in one of them.
(16) In CT diagnosis for this type of dissection, cautions should be employed not only in an inhomogenous density area in the mediastinum and pleural cavity but also in the presence of deviation of intimal calcification and relatively high density area of crescent shape in aortic wall on plain CT.
(17) The PPD was positive and X-ray showed widening of the mediastinum.
(18) Similar cellulitis, mainly perivascular, was found in kidneys and anterior mediastinum.
(19) Further venous samplings were collected during cervico mediastinal phlebography because of persistent hypercalcemia: parathormone levels were high in a thymic vein and a new cervicotomy revealed a fifth gland with an adenoma in the high mediastinum.
(20) 58 patients have been operated for neurogenic tumors of the mediastinum.
Thoracic
Definition:
(a.) Of or pertaining to the thorax, or chest.
(n.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectorial fins.
Example Sentences:
(1) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(2) Many thoracic motoneurons were able to survive up to posthatching stages following transplantation.
(3) A rare case of an extradural brucellosis granuloma in the thoracic region is presented.
(4) The highest antishock effect of dopamine is reached when cardiac output fraction addressed to thoracic region vitals is supported by dopamine on the 43-45% level.
(5) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
(6) It was considered worthwhile to report this case due to the problems which arose concerning the choice of a thoracic rather than abdominal route owing to the impossibility of associating cardiomyotomy with anti-reflux plastica surgery because of the reduced dimensions of the stomach.
(7) A case of incomplete peno-scrotal transposition, with a perineal anorectal duplication, vesico-ureteric reflux and thoracic hemivertebrae is presented.
(8) Extrapolating animal data to the neonates, we found the thoracic segment length recommended (the average of 29% of body length and electrode distance) to be accurate.
(9) Trimazosin at the dose used and under the conditions of study did not reverse the peripheral pressor effect of angiotensin II or B-HT920 but at higher concentrations, unlike prazosin, it relaxed the K+ contracted thoracic aorta.
(10) We document four patients, including two sibs, with asphyxiating thoracic dystrophy and mild congenital hydrocephalus.
(11) In a retrospective study 94 consecutive patients with verified empyema caused by pneumonia were admitted to the department of either pulmonary medicine or thoracic surgery.
(12) In 27 decerebrate cats under various experimental conditions, we studied the effects of programmed premature ventricular contractions on the impulse activity of preganglionic sympathetic fibres isolated from the third left thoracic ramus.
(13) However, the pattern in the central nervous system (CNS) and mesoderm is further restricted; the major expression located in the labial neuromere of the CNS and the mesoderm of the first thoracic segment.
(14) Patients with thoracic or thoracoabdominal aneurysms were more likely to have neurologic complications than those with abdominal aneurysms.
(15) Systematic treatment of aberrant subclavian arteries should perhaps be considered when it can be performed during thoracic surgery.
(16) The other 3 dogs died or were euthanatized, and the effect of stopping thoracic drainage could not be evaluated.
(17) At thoracic levels occasional neurons of the intermediolateral column cell group were NGF receptor positive.
(18) A new centrifugal pump (Sarns), originally designed for ventricular assist, was successfully used in two patients during repair of traumatic pseudoaneurysm of the descending thoracic aorta.
(19) All the vertebrae were agenetic below the thoracic segments in the other rat fetus.
(20) We tried to determine alpha 1-adrenoceptor subtypes involved in noradrenaline-induced contractions of rat thoracic aorta and dog carotid artery.