(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.
Mammal
Definition:
(n.) One of the Mammalia.
Example Sentences:
(1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(2) Ernst Reissner studied the formation of the inner ear initially using the embryos of fowls, then the embryos of mammals, mainly cows and pigs, and to a less extent the embryos of man.
(3) The binaural characteristics of cells in MSO were different from those in nonecholocating mammals.
(4) The findings support our earlier suggestion that the kinetics of spermatogenesis in the quail are fundamentally similar to the pattern which has been described for mammals.
(5) So far, attempts to produce linolenic acid deficiency in mammals have not revealed an absolute requirement for n-3 fatty acids.
(6) Somewhat surprisingly then, in view of the mechanisms in mammals, birds do not seem to use this seasonal message in the photoperiodic control of reproduction.
(7) This indicates a functional relationship between material supplied via the rapid phase of axonal transport and an unimpaired transsynaptic signal transmission, previously not revealed in the central nervous system of mammals.
(8) Nucleus z in the rat was found to be similar in location to nucleus z in other mammals.
(9) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(10) The presence in lamprey kidney of a loop which is similar to Henle's loop in mammals and birds indicates that the development of the system of osmotic concentration conditioned by the formation in the kidney of the medulla and from a sharp increase in renal arterial blood supply.
(11) Investigations carried out in Pavlodar Province have shown that 7 species of ixodid ticks, Ixodes crenulatus, I. lividus, I. persulcatus, I. laguri laguri, Dermacentor marginatus, D. reticulatus, Haemaphysalis concinna, and one brought species, Hyalomma asiaticum, parasitize domestic animals and wild mammals.
(12) Ecologic studies of small mammals in Rocky Mountain National Park (RMNP) were conducted in 1974 in order to identify the specific habitats within the Lower Montane Forest that support Colorado tick fever (CTF) virus.
(13) Dictated by underlying physicochemical constraints, deceived at times by the lulling tones of the siren entropy, and constantly vulnerable to the vagaries of other more pervasive forms of biological networking and information transfer encoded in the genes of virus and invading microorganisms, protein biorecognition in higher life forms, and particularly in mammals, represents the finely tuned molecular avenues for the genome to transfer its information to the next generation.
(14) It encodes a homeobox gene closely related to the developmentally regulated homeotic genes of flies and mammals.
(15) Based on the fact that all hibernators, at their regulated minimal body temperature, display a uniform turnover rate, related to body weight, the hypothesis is developed that cold tolerance of mammals is generally limited by a common specific minimal metabolic rate, which larger organisms, because of their lower basal metabolism, already attain in less profound hypothermia.
(16) Based on morphological, virological, biochemical and molecular biological data, it is proposed that the presence of endogenous retrovirus particles in the placental cytotrophoblasts of many mammals is indicative of some beneficial action provided by the virus in relation to cell fusion, syncytiotrophoblast formation and the creation of the placenta.
(17) Thus, the possibility exists that androgen secretion in some chelonian systems may exhibit a high degree of LH specificity like that of mammals and birds.
(18) Chlorinated ethylenes are metabolized in mammals, as a first step, to epoxides.
(19) This agrees with previous ultrastructural observations that, in small mammals, neither basement membranes nor large connective tissue spaces are found inside enteric ganglia.
(20) In recent studies, we have found that Gal alpha 1----3Gal beta 1----4GlcNAc residues are abundant on red cells and nucleated cells of nonprimate mammals, prosimians, and New World monkeys, but their expression is diminished in Old World monkeys, apes, and humans.