(a.) Of or pertaining to the occiput, or back part of the head, or to the occipital bone.
(n.) The occipital bone.
Example Sentences:
(1) The pons, on the other hand, has a bioelectrical activity of its own during PS, i.e., the ponto-geniculo-occipital spikes (PGO).
(2) Our findings indicate that Turner girls have a functional brain disorder more often than the controls, particularly at the occipital and parietal areas and in those with hemispheric differences most often in the right hemisphere.
(3) It was concluded that the spheno-occipital complex has a close relationship to the skeletal facial pattern and contributes to the facial formation.
(4) Beta 1 activity increased during the first 10 min of KB in occipital and to a lesser degree in parietal regions.
(5) Four had partial simple seizures with secondary generalisation and 3 had cortical excisions (2 frontal, 1 occipital lobe) surgery.
(6) We report the case of a premature infant, small for gestational age, who experienced rostral herniation of a portion of frontal lobe through the anterior fontanel as the result of a hemorrhagic cerebellar infarction followed by a large parieto-occipital intracerebral hemorrhage.
(7) Imagining faces was also the only condition that led to an increase of activity in the left inferior occipital region which has been suggested by previous studies as being a crucial area for visual imagery.
(8) There were no differences in brain metabolic rates in lateral cortical areas (frontal, parietal, temporal, and occipital lobes).
(9) And the maxima of the alpha-power and of the alpha-peak-power are mostly located parietal instead of occipital.
(10) 5-Hydroxyindolacetic acid levels were particularly high in the occipital area and decreased along the caudorostral axis.
(11) Selective angiography revealed a scalp AVM fed by bilateral superficial temporal and right occipital arteries.
(12) Fewer labeled cells appeared after parietal, temporal or occipital cortex injections.
(13) Familial occipitalization of the atlas with atlantalization of the axis was defined as a single congenital disease in Arabian horses following a clinical, radiologic, and morphologic study of 16 horses with congenital malformations of the occiput, atlas, and axis, and from a study of three reported cases.
(14) Neutral aminopeptidase activity showed a significant decrease in the thalamus and cerebellum with marked (not significant) changes in the hypothalamus, hippocampus, medulla, and occipital cortex.
(15) In AD, a significant twofold increase was observed in total APP mRNA in nucleus basalis and locus ceruleus neurons but not in hippocampal subicular neurons, neurons of the basis pontis, or occipital cortical neurons.
(16) From the survey of another 21 patients having bony abnormalities at the craniovertebral junction, the first type of arterial anomaly described above was seen in 4 patients and associated with failure of segmentation of the embryonic sclerotome such as occipitalization of the atlas or Klippel-Feil syndrome.
(17) Task relevance increased the within-subject and condition variability of this occipital positive component and this effect was greater for boys without than with RD, particularly over the left hemisphere.
(18) The shapes of scapulae and basi-occipital bones from three genetically distinct achondroplastic mutants and one osteopetrotic mutant in the mouse (achondroplasia, brachymorphic, stumpy and grey lethal), and appropriate controls, have been compared using Fourier analysis and multivariate statistical techniques.
(19) Encephalocele is the most common cause of occipital midline extracranial mass associated with hydrocephalus.
(20) In this study the morphology of the lateral geniculate nucleus and occipital cortex in rats with methylazoxymethanol acetate (MAM Ac)-induced micrencephaly was examined.
Occiput
Definition:
(n.) The back, or posterior, part of the head or skull; the region of the occipital bone.
(n.) A plate which forms the back part of the head of insects.
Example Sentences:
(1) Familial occipitalization of the atlas with atlantalization of the axis was defined as a single congenital disease in Arabian horses following a clinical, radiologic, and morphologic study of 16 horses with congenital malformations of the occiput, atlas, and axis, and from a study of three reported cases.
(2) The infant, who was utterly small for his gestational age, showed an aberrant motoric pattern and a high forehead, low-set ears, a prominent occiput and scoliosis, an extension defect in the knee joints and flexed, ulnar-deviated wrists.
(3) Other factors of importance were: an increase in the anterior depth of the mandible; a reduction in the distance between the occiput and the spinous process of C1, and to a lesser extent the C1-C2 interspinous gap; and reduced mobility of the mandible associated with temporo-mandibular joint arthritis or trismus.
(4) Comparison of this patient with thirteen previously published cases of this trisomy reveals a pattern of common features including: peculiar craniofacial dysmorphism--facial asymmetry, antimongoloid slant, narrow or short palpebral fissures, prominent nose, long upper lip, micro or retrognathia, high arched palate, low set ears, malformed ears, protuberant occiput--, abnormal fingers and toes, short neck, mental and growth retardation, cardiopathy, respiratory distress etc..
(5) Ranges of motion for flexion, extension, lateral bending (one side), and axial rotation (one side) were, respectively: 3.5, 21.0, 5.5, and 7.2 degrees (occiput-C1 joint) and 11.5, 10.9, 6.7, and 38.9 degrees (C1-C2 joint).
(6) Surgical treatment for cervical myelopathy in os odontoideum with posterior instability is suggested as follows: in the absence of canal stenosis of the atlas (Group IIIA), atlantoaxial fusion in a reduced position is indicated; when associated with canal stenosis of the atlas (Group IIIB), laminectomy of the atlas followed by occiput-to-C2 arthrodesis is indispensable.
(7) A boy with growth and mental retardation, flat occiput, high and broad forehead, blepharoptosis, narrow palpebral fissures, low set, malformed ears, short neck, anal atresia, deep sacral dimple is reported.
(8) In responses recorded from the occiput, there was a rapid increase in amplitude reaching a maximum in the 5- to 6-year-old group, with means of amplitudes at this age being about twice as large as means of some older age groups.
(9) In osteo-onychodysostosis, characteristic osseous horns arise from the posterior iliac wings, whereas in Type IX Ehlers-Danlos syndrome, similar protuberances extend inferiorly from the occiput.
(10) Iniencephaly is a very rare malformation comprising a bone defect at the occiput, malformation of the cervical and thoracic vertebrae, spina bifida, and retroflexion of the head.
(11) It is associated with a defect in the occiput, alterations in the spinal column that are variable and retroflexion of the fetus.
(12) The obligate misrouting of retinal-geniculate-cortical projections in albinism can be detected in the topographical representation across the occiput of the visual evoked potential (VEP).
(13) Plain skull x-rays subsequently revealed a lytic lesion of the occiput.
(14) Tomography of the petrous bone in the prone position produced a reduction in radiation dose to the eye to only 1 to 4% of the dose incident on the occiput.
(15) A posterior spinal fusion between the occiput and third cervical vertebra was performed because of concern for upper cervical spine instability.
(16) Findings compatible with trisomy 18 included postmature delivery, prominent occiput, severe congenital heart disease, overlapping fingers, and rocker-bottom feet.
(17) In 10 fresh cadaveric specimens of occiput (C0) to C3, six pure moments (maximum 1.5 Nm) were applied and the resulting physiological motions were studied.
(18) The Apert pituitary fossa and basi-occiput are significantly larger than normal.
(19) The male newborn had multiple abnormalities including frontal bossing, prominent occiput, low set ears, micrognathia, short sternum, short, broad hands and feet, agenesis of the corpus callosum, and cardiac defects.
(20) In the upper cervical region a special plate was screwed into the occiput.