What's the difference between fissure and fossa?

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.

Fossa


Definition:

  • (n.) A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossae containing the nostrils in most birds.

Example Sentences:

  • (1) The 38 control fetuses had normal-appearing posterior fossae.
  • (2) These cases show that an examination of the whole neuraxis is as important in patients with midline posterior fossa cysts as it is in patients with developmental syringomyelia or Chiari I malformation.
  • (3) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
  • (4) In 5 of the 7 patients with an initially abnormal pituitary fossa, serial radiological studies revealed remodelling in 3.
  • (5) (b) abnormal morphologic of the glenoid fossa, mandibulars condyle and the neck of mandibula were seen.
  • (6) The blood flow velocity waveform recorded noninvasively from the brachial artery in the antecubital fossa was used as basis for quantitatively estimating a stroke flow index.
  • (7) This can be combined with a middle fossa approach in patients with a positive Schirmer's test.
  • (8) Because of the inherent limitations of computed tomography in the visualization of posterior fossa structures, MR imaging should be considered the initial screening procedure in the assessment of patients with trigeminal neuralgia.
  • (9) To identify the origin of scalp-recorded far-field negativity of short-latency somatosensory evoked potentials to median nerve stimulation (designated N18), direct records were made from the thalamus and ventricular system during 4 stereotaxic and 3 posterior fossa operations.
  • (10) Two term newborn infants born by frank breech delivery had posterior fossa hemorrhage diagnosed by CT scan within the first 72 hours of life and underwent successful surgical drainage of hematoma.
  • (11) Warts were confined to the lips in 27 (56%) of 48 patients with meatal warts; in an additional 5 patients with meatal warts the warts arose from deep in the fossa navicularis and in 16 patients with meatal warts there were additional warts in the fossa navicularis invisible on clinical examination.
  • (12) A comparative cephalometric and tomographic study prior to the treatment and after completion of the treatment revealed the following results: an improvement in the occlusal relationships due to both skeletal (an anterior mandibular displacement and an increase in the mandibular length) and dentoalveolar changes; it was possible to produce a growth stimulation of the mandibular condyle associated with a translation of the glenoid fossa by using an elastic activator; there was a direct correlation between the effects of the treatment and the age period of the patients (mixed dentition).
  • (13) Epistaxis was common in tumors of the ethmoid sinus and nasal fossae, while pain was related to lesions of the maxillary sinus.
  • (14) Eleven of 15 patients had middle cranial fossa involvement; cavernous sinus extension was observed in six patients.
  • (15) Stab wounds to the temporal fossa appear as a characteristic clinical entity.
  • (16) Our impression is that preoperative carotid artery occlusion and a middle fossa approach for tumor resection can be performed in a young patient with acceptable morbidity and at least short-term benefit.
  • (17) The other structures or regions that were involved, in decreasing order of frequency, were the sphenoid sinus (26.7%), nasal fossa (21.8%), and ethmoid sinus (18.3%).
  • (18) The association of an arachnoidal cyst in the middle cranial fossa with a subdural haematoma or intracystic bleeding is emphasised.
  • (19) At the same time the data are obtained on variations in topography of the chorda tympani at various form of the intratemporal fossa.
  • (20) A patent cochlear aqueduct indicated on computed tomography scan was found and repaired through a posterior cranial fossa approach.