(n.) An artificial channel filled with water and designed for navigation, or for irrigating land, etc.
(n.) A tube or duct; as, the alimentary canal; the semicircular canals of the ear.
Example Sentences:
(1) In addition to the aqueduct other associated inner ear anomalies have been identified in 60% of this population including: enlarged vestibule (14); enlarged vestibule and lateral semicircular canal (7); enlarged vestibule and hypoplastic cochlea (4); and hypoplastic cochlea (4).
(2) After four years of existence, many evaluations were able to show the qualities of this system regarding root canal penetration, cleaning and shaping.
(3) Digestion is initiated in the gastric region by secretion of acid and pepsin; however, diversity of digestive enzymes is highest in the post-gastric alimentary canal with the greatest proteolytic activity in the spiral valve.
(4) A new theory for the peculiar site selection of cholesteatomas of the external auditory canal is postulated.
(5) In the anesthetized cat, the posterior canal nerve (PCN) was stimulated by electric pulses and synaptic responses were recorded intracellularly in the three antagonistic pairs of extraocular motoneurons.
(6) Two hundred and forty root canals of extracted single-rooted teeth were prepared to the same dimension, and Dentatus posts of equal size were cemented without screwing them into the dentine.
(7) 5 reconstructions of the posterior bony canal wall were moderately sunk in.
(8) The parameters of the air flow in the canal of the separator are established in a graphic way.
(9) It may be explained by an ipsilateral lesion of the posterior canal pathways.
(10) Interlamellar plasmodia are limited by 2 outer unit membranes which give rise to both single-and double-membraned pincytic canals.
(11) Ten patients have undergone abdominal proctocolectomy with the formation of an ileal reservoir anastomosed onto the anal canal using a stapling device.
(12) The hymen was not penetrated as a result of intromission and therefore the site of ejaculation would have been in the urogenital canal of the 4 primigravid elephants.
(13) The cytotoxic effects on cultured rat bone cells of newly-developed root canal sealers and commercially available sealers were compared.
(14) In the external ear canal, residual water from caloric testing or any other irrigation may act to simulate a conductive hearing loss and interfere with subsequent auditory brainstem response recording leading to increased latencies and reduced amplitudes.
(15) The surgeon must have an exact idea of this canal before undertaking operation for plastics of the hernial defect.
(16) All the canals open independently at the surface of the cuticle and the substance deposited there is a mixture of proteins and acid mucosubstances.
(17) The crossing points were investigated in 20 patients and in most cases they existed between 2 cm and 6 cm from the anterior border of the external auditory canal.
(18) It is concluded that the massive destruction of the normal anatomy in the lateral semicircular canal may be the morphological basis of a functional endolymphatic fistula for drainage of the endolymphatic hydrops.
(19) In the series of 50 acoustic neurinomas (AN) the internal auditory canal (IAC) diameter and the diameter difference between the tumor and non-tumor side are compared with the sizes of the AN.
(20) Myelography revealed no abnormality, although magnetic resonance imaging and computed tomography after myelography demonstrated a mass within the posterior aspect of the thoracic spinal canal associated with anterior displacement and compression of the spinal cord.
Ductus
Definition:
Example Sentences:
(1) We found that, compared to one- and two-dose infants, those treated with three doses of Exosurf were more premature, smaller, required a longer ventilator course, and had more frequent complications, including patent ductus arteriosus (PDA), intraventricular hemorrhage, nosocomial pneumonia, and apnea.
(2) Rapid diagnosis and treatment of patent ductus arteriosus and appropriate fluid intake are also essential for a favourable outcome in newborn infants with severe RDS treated with surfactant.
(3) Seven infants (group 1) received indomethacin to treat a clinically significant patent ductus arteriosus (PDA), and eight infants (group 2) received indomethacin prophylactically at 24 hours of age because of their high risk for PDA.
(4) PGE2 was also released from ductus preparations lacking the adventitia, the intima, or both; however, release values were maximal when the adventitia was preserved.
(5) The most commonly associated lesions were ventricular septal defect (50%), hypoplastic aortic arch (45%), patent ductus arteriosus (41%), transposition of great arteries (22.7%) and other intracardiac lesions comprised 30%.
(6) These observations differed from the previous literature data: a parallel could be found only with the concept (connected with oxygen radicals) of the early closure of the ductus arteriosus.
(7) In the apneic fetuses showing respiratory distress, the lung was collapsed and the ductus arteriosus was not closed.
(8) Prostaglandin E2 was administered to 22 newborns with ductus-dependent cyanotic congenital heart disease.
(9) Associated lesions were coarctation (n = 2) and patent ductus arteriosus (n = 2).
(10) Reduced glutathione increased PGE2 release from the mature ductus, whole or stripped, and also relaxed hypoxic preparations; both effects were reversed by concomitant treatment with indomethacin.
(11) We have recently 'challenged' a neonate with dextrocardia, vesceral heterotaxia, presumed asplenia, and complex congenital heart disease including pulmonary atresia, with an infusion of prostaglandin E1 to increase pulmonary blood flow via his ductus arteriosus.
(12) Through our experience and a review, we have observed that neonates requiring coarctation repair, pulmonary artery banding, and patent ductus ligation are at high risk of expiring before reaching an age at which a difficult total repair is feasible.
(13) The prevention of ductus closure by p.g.E-1 infusions over the first few weeks of life is a possiblility.
(14) Patent ductus arteriosus murmurs developed in shielded patients at a later date, they required less vigorous treatment (ie, indomethacin), and they had shorter hospitalizations (74 v 85 days; P less than .05).
(15) Rashkind's "double umbrella" technique for percutaneous transcatheter occlusion of patent arterial duct (ductus arteriosus) has been used successfully in several centres.
(16) In contrast, a rich AChE+ve nerve network was observed in the submucosa of both the seminal vesicle and the ductus deferens.
(17) The PAS and protein cytochemistry reactivities observed in both these cells, of the ductus epithelial lining, but especially in the light cells, are suggestive of mucopolysaccharides and protein complexes synthesis and secretion.
(18) We believe that all fetuses of mothers treated with indomethacin should be closely monitored for early evidence of decreased amniotic fluid volume and constriction of the ductus arteriosus.
(19) Since the epididymal contractions can influence the time spent by spermatozoa in passing through the ductus epididymidis, the above-mentioned compounds could play an important role in spermatozoal transport via modulation of epididymal contractile activity.
(20) Several dogs with successfully occluded ductus were observed from two weeks to six months postoperative.