(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.
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.