What's the difference between fissure and sulcus?

Fissure


Definition:

  • (n.) A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.
  • (v. t.) To cleave; to divide; to crack or fracture.

Example Sentences:

  • (1) Formation of the functional contour plaster bandage within the limits of the foot along the border of the fissure of the ankle joint with preservation of the contours of the ankles 4-8 weeks after the treatment was started in accordance with the severity of the fractures of the ankles in 95 patients both without (6) and with (89) dislocation of the bone fragments allowed to achieve the bone consolidation of the ankle fragments with recovery of the supportive ability of the extremity in 85 (89.5%) of the patients, after 6-8 weeks (7.2%) in the patients without displacement and after 10-13 weeks (11.3%) with displacement of the bone fragments of the ankles.
  • (2) The results are discussed in terms of both electrical and magnetic models of the calcarine fissure.
  • (3) Duane's retraction syndrome is a congenital eye movement disorder characterized by a deficiency of abduction, mild limitation of adduction, with retraction and narrowing of the palpebral fissure on attempted adduction.
  • (4) About 40% of all cysts were located along the midline, the sylvian fissure representing the predominant location.
  • (5) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
  • (6) The club captain, whose return had been delayed due to his participation at Euro 2012 with Holland, underwent his medical assessment and he and the manager sought to put a professional front on what has been a deep fissure in their relationship.
  • (7) The supratentorial part of the brain was extremely small, consisting of an irregularly lobulated mass about 3cm in diameter and without any median fissure or ventricular cavity.
  • (8) Correlation with high-resolution computed tomography in two patients indicated that this opacity represented a sagittal orientation of the anterior minor fissure, with resultant inferomedial curving of the right upper lobe of the lung along the right border of the heart.
  • (9) 19% of patients also suffered from chronic anal fissure which were treated by internal lateral sphincterotomy.
  • (10) Decreased colonization by S. mutans was found in the dental plaque collected from smooth surfaces and fissures and in saliva of subjects whose teeth were treated with the MAb, as compared with the saline-treated control subjects.
  • (11) Palpebral fissures are narrow with bilateral epicanthal folds, and the nasal bridge is hypoplasitc.
  • (12) The severity of fissured tongue changed with increasing age.
  • (13) Nodes were not found between the portal vein, hepatic artery and bile ducts in the fissures.
  • (14) For the experimental studies, fractures of the jaw bone in terms of oblique osteotomies from angle to sigmoid notch of the mandible of the Malaysian monkeys were made by using #700 fissure bur and reduced and fixed them in terms of interosseous wiring.
  • (15) An induction of TGF beta 1 mRNA was also observed in endothelial cells of the meninges, hippocampal fissure and choroid plexus, at 2 and 3 days.
  • (16) Following lobectomy of the right upper lobe of the lung, a single fissure, the neofissure, separates the right middle and lower lobes.
  • (17) This article outlines the authors' perceptions of the future of esthetic dental restorative materials such as composites, glass ionomer cements, pit and fissure sealants and laboratory fabricated resin.
  • (18) His achilles heel would be reconciling disparate sections of the grassroots party and restoring the fissures in the parliamentary party.
  • (19) We evaluated fissural (ie, visceral pleural) thickening on radiographs in two asbestos-exposed study populations and a control group.
  • (20) The purpose of this report is to document the current status of the teaching of pit and fissure sealants in British dental schools.

Sulcus


Definition:

  • (n.) A furrow; a groove; a fissure.

Example Sentences:

  • (1) A total of 63 patients (95%) showed varying degrees of hyperostosis involving the cribiform plate, planum sphenoidale, or tuberculum sellae (including the chiasmatic sulcus).
  • (2) Several types of neurons were differentiated on the basis of a study of neuronal activity in various parts of the cortex near the sulcus principalis during the execution of spatial delayed reactions by monkeys.
  • (3) It was established that the different types of neurons are represented in different numbers in different parts of the cortex near the sulcus principalis.
  • (4) For example, in the lightly innervated fundus of the principal sulcus (area 46), labeled fibers were primarily present in layer I and layers V-VI, whereas in area 9, the most densely innervated region, TH-labeled fibers were present in all cortical layers.
  • (5) Insertion of the material after careful tailoring to the individual patient's own mandibular size and configuration requires a generous posterior lower buccal sulcus incision.
  • (6) The average width of the ciliary sulcus is 11.1 mm, indicating that a 12.5 mm IOL is of a sufficient size to be firmly fixed in this sulcus.
  • (7) Pathological examination showed both haptics located in the ciliary sulcus.
  • (8) When the knee was in extension compared to 30 degrees flexion, the sulcus angle was greater, the lateral patellofemoral angle was smaller, there was more lateral patellar displacement, the patella tilted more laterally, and the congruence angle was directed more laterally.
  • (9) The populations of cells labelled following phrenic and thoracic injections overlapped, primarily at the lateral edge of the cruciate sulcus.
  • (10) For accurate localization of the central sulcus by cortical SEP's, the distribution of potentials must be analyzed with extensive exposure of the sensorimotor cortex.
  • (11) Histological findings in control specimens from 13 subjects showed parakeratinization for varying distances in the sulcus epithelium apical to the gingival crest.
  • (12) The area corresponding to the location of the highest concentration of GnRH-containing axons was observed to be largely avascular and separated from the vessels of the tuberoinfundibular sulcus by a "border zone" composed of glial foot processes.
  • (13) Gingival blood flow and temperature were monitored continuously before and after cooling via a twin probe placed in the gingival sulcus on the buccal of tooth No.
  • (14) Here the fornix-transected group was impaired but the group with sulcus principalis ablations was normal.
  • (15) A cyto- and myeloarchitectonic parcellation of the superior temporal sulcus and surrounding cortex in the rhesus monkey has been correlated with the pattern of afferent cortical connections from ipsilateral temporal, parietal and occipital lobes, studied by both silver impregnation and autoradiographic techniques.
  • (16) During the opening of the sulcus spiralis internus the inner supporting cells become considerably smaller, some of them undergo complete destruction by cytolysis, with pyknosis and karyorrhexis.
  • (17) Spirochetes appear to grow preferentially on the external surface of subgingival plaque in close contact to the gingival tissue of the deepened sulcus.
  • (18) The labial cleft is continued in the sulcus papillae palatinae.
  • (19) The anterior portion of the "cingulate corticospinal area" in the lower bank of the cingulate sulcus; 2.
  • (20) In the case of the suppurative reaction, pus drained along a root surface, destroying the periodontal ligament and interradicular bone until it emerged at the gingival sulcus.