(n.) A wall separating two cavities; a partition; as, the nasal septum.
(n.) A partition that separates the cells of a fruit.
(n.) One of the radial calcareous plates of a coral.
(n.) One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers. See Illust. under Nautilus.
(n.) One of the transverse partitions dividing the body cavity of an annelid.
Example Sentences:
(1) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
(2) It was the purpose of the present study to describe the normal pattern of the growth sites of the nasal septum according to age and sex by histological and microradiographical examination of human autopsy material.
(3) It is proposed that this "zipper-like" mechanism represents the normal cutting process of the septum during cell separation.
(4) Twenty-seven human septums were removed at post mortem, examined macroscopically, sectioned coronally and examined microscopically.
(5) Right ventricular volumes were determined in 12 patients with different levels of right and left ventricular function by magnetic resonance imaging (MRI) using an ECG gated multisection technique in planes perpendicular to the diastolic position of the interventricular septum.
(6) The authors report a case of total bladder duplication by frontal septum.
(7) The right side of the ventricular septum was affected in five instances.
(8) To evaluate interatrial septal motion throughout the cardiac cycle, echocardiograms of the septum were obtained by esophageal echocardiography simultaneously with left and right atrial pressures using Millar's micromanometers in nine subjects with sinus rhythm.
(9) Sepsis-induced pulmonary artery hypertension (SIPAH) causes an increase in right ventricular (RV) afterload, dilatation of the RV, leftward shift of the interventricular septum (IVS), and therefore decreases left ventricular compliance (LVC).
(10) These factors include narrowing of septal arteries and the artery to the atrioventricular node, preservation of fetal anatomy with dispersion in the atrioventricular node and His bundle, fibrosis of the sinus node, clefts in the septum, multiple atrioventricular pathways and massive myocardial infarction.
(11) Overall, these results confirm that the medial septum plays a crucial role in the acquisition of problem solving.
(12) The excellent short-term results favor the continued application of anatomical repair of TGA with intact ventricular septum in infancy.
(13) The chapters deal with general preliminaries and indications for surgery, the selection of bypass material, surgical instruments for coronary opertaions, the methods of extracorporeal circulation, the distal coronary anastomosis, the proximal aortal anastomosis, intraoperative monitoring of results, intra- and postoperative myocardinal infarction, the fate of venous bypass grafts, operative treatment of the ruptured ventricular septum and papillary muscle, and ventricular aneurysmectomy.
(14) Experiments were performed in vitro in the isolated perfused interventricular septum, and preischaemic values were compared with those obtained in right ventricular papillary muscles from the same hearts.
(15) Six had a univentricular heart of left ventricular morphology, three had a single ventricle of right ventricular morphology, one had tricuspid atresia with transposition of the great arteries, one had pulmonary atresia, intact ventricular septum, and hypoplastic right ventricle, and one had corrected transposition with hypoplastic systemic ventricle.
(16) In the first case, characterized by dextrocardia, the interventricular septum was intact, while in the second case with levocardia, a high ventricular septal defect was associated with pulmonary atresia.
(17) Fifty per cent of the children with clefts of the palate and lip had deviated nasal septum producing nasal obstruction.
(18) Current data, obtained from resection of the nasal septum in baboons, indicate that proper coordination of timing and surgical technique can cause arrest of growth in the upper part of the face.
(19) However, 7 hemangiomas had a central linear septum.
(20) In 10 patients earlier electrocardiograms did not show left axis deviation; this feature appeared when the aneurysm of the membranous septum was first seen on the echocardiogram.
Vomer
Definition:
(n.) A bone, or one of a pair of bones, beneath the ethmoid region of the skull, forming a part a part of the partition between the nostrils in man and other mammals.
(n.) The pygostyle.
Example Sentences:
(1) A case of brown-tumor of the vomer in a 21-year-old woman is described.
(2) Growth between the vomer and premaxilla was recorded in every case, with growth being especially marked during the first year of life.
(3) We report a three-year-old boy who presented with an oral chord-like structure that extended from the base of the tongue up to the posterior part of the vomer.
(4) A posteriorly based readily accessible vomer flap is raised on the cleft side and used as nasal lining for the palatal mucoperiosteal flap on the non-cleft side.
(5) The surgical intervention led to the following complications: 1) deformation of the nasal septum in the vestibule area (11 patients); 2) perforation of the nasal septum of atrophic origin (15 patients); 3) saddle-like deformation of external nose (7 patients); 4) vibration of the nasal septum which occurred in most patients after total resection of the cartilage and vomer.
(6) Given that the septum plays a fundamental role in the projection of the nasomaxilliary complex, it is clear that certain surgical rules must be applied: the perichondrium must be left intact, no wide cartilaginous resections must be made, the areas of contact between the septum, the vomer, and the perpendicular lamina of the ethmoid must be reconstituted, and finally, the remodeled cartilage must be repositioned.
(7) Antero-posterior retardation of upper jaw growth became evident in all five dogs with surgically placed clefts and extirpation of the vomer within 8 weeks following surgery.
(8) The photoelasticimetric procedure and pressure load to the model were used for the determination of possible pressure tensions, if any, occurring during mastification, namely the share of the vomer in the transfer of these tensions to the base of the cranium.
(9) Removal of the vomer is an essential part of this procedure in order to open and enlarge the choanae.
(10) The vomer was resected via a palatal flap in four 42-day-old beagle pups; four unoperated dogs served as controls.
(11) Radiographically, the frontal and nasal bones dorsally and the vomer and palatine process of the incisive bone ventrally do not completely obscure the nasal septum and its covering mucous membrane.
(12) This modality defines the full anatomic abnormality of bony choanal atresia: medial bowing and thickening of the lateral wall of the nasal cavity, enlargement of the vomer, and fusion of these elements.
(13) Histological serial sections of 6 postmortem nasal cavities showed that the high laminae of the vomer prevent any caudal dislocation of the septal cartilage.
(14) Therapeutic factors associated with good outcomes were the employment of a vomer flap to close the anterior palate, and poor outcomes with primary bone grafting and with active presurgical orthopedics.
(15) Findings on CT included: thickening of the vomer, bowing of the lateral wall of the nasal cavity and fusion of bony elements in the choanal region.
(16) The growth pattern implied that a forward, downward sliding of the vomer must take place in relation to the ethmoid bone and the cartilaginous septum.
(17) The author's original approach to the early repair of cleft palate which consists in the use of the extended vomer flap is presented.
(18) Dimensions of certain parts of the orofacial skeleton and vomer were obtained by a bioanthropologic measurement for which native preparations of whole and parasagitally sawed up skulls were used.
(19) Microscopic examination of the healing wound showed granulation tissue and contractile fibroblasts, which were more numerous at the premaxilla-vomer suture than at the posterior site.
(20) The sample consisted of 51 patients and 22 of them had undergone surgical treatment which included vomer flap and pushback palatal repair, while the remaining 29 patients were treated with a routine characterized by delayed closure of the hard palate.