(n.) A metameric segment of the cerebro-spinal nervous system.
Example Sentences:
(1) However, the pattern in the central nervous system (CNS) and mesoderm is further restricted; the major expression located in the labial neuromere of the CNS and the mesoderm of the first thoracic segment.
(2) Arborizations of motoneurons are not restricted to their neuromere of origin but invade adjacent neuromeres, resulting in regions of dendritic overlap of motoneurons to different muscles.
(3) Six of these neurons have cell bodies in the thoracic neuromeres and 12 in the fused abdominal neuromeres.
(4) The midline glia then defasciculates as neuroblasts begin to aggregate into neuromeres.
(5) Taken together, our results suggest that Wnt-3 and Dlx-1 provide positional information for the regional specification of neuromeres in the forebrain.
(6) The case is characterized by successful counteracting the main clinical manifestations of Raynaud's phenomenon by the local metameric application of cerebrolysin (neuromeric, scleromeric puncturing) employed by the authors for the first time for the disease treatment.
(7) The most protruding zone in the preotic sulcus formed the eighth neuromere and was located adjacent to the first branchial arch and the trigeminal ganglion.
(8) Type 1: Unilateral interneurons in the metathoracic neuromere; soma in anterior position; arborization dorsal, in anterolateral, posterolateral, and midline regions.
(9) Tactile receptors have smaller arbors, which are located in a ventral region of the thoracic neuromere.
(10) Processes of leucokinin I immunoreactive (LKIR) neurons were distributed throughout the nervous system, but immunoreactive cell bodies were not found in all neuromeres.
(11) The most protruding zone in the otic sulcus also formed the 11th neuromere and was located adjacent to the second branchial arch.
(12) In the wandering spider Cupiennius salei, the functional neuroanatomy of leg mechanosensory receptor neurons and interneurons associated with a single leg neuromere was investigated by combined intracellular recording and Lucifer yellow ionophoresis.
(13) Type 2: Unilateral interneurons in the metathoracic neuromere; neurite with characteristic hairpin bend; soma in lateral position; arborization through the lateral neuropil region.
(14) Early neuroblasts appear as separate, distinct groups within specific matrix territories at the center of the transverse neuromeric segments.
(15) Examination of scanning electron micrographs of 4-, 8-, 12- and 16-somite-stage embryos has shown that the neuromeres develop in a strictly ordered pattern but the sequence is not ordered in either a rostrocaudal or caudorostral direction.
(16) This nucleus, with a moniliform aspect, extends into the first two cervical neuromeres and enters the bulb, where it is continuous with the alpha subdivision of the hypoglossal nucleus.
(17) Based on these observations a description is given of the neuromeres present within the prosencephalon and of the termination of the sulcus limitans.
(18) The type 1 SE cells seem to possess neuronal functions, as deduced from morphological similarities to their counterparts in adults and the specialized distribution closely related to neuromeres.
(19) Golgi impregnation and intracellular dye filling show that local interneurons originate in ventral sensory neuropiles of leg neuromeres and ascend dorsally to terminate amongst dendrites of motor neurons.
(20) Around embryonic day 11.5, Wnt-3 expression becomes restricted to one of the neuromeres of the diencephalon, the dorsal thalamus.
Segment
Definition:
(n.) One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of an orange; a segment of a compound or divided leaf.
(n.) A part cut off from a figure by a line or plane; especially, that part of a circle contained between a chord and an arc of that circle, or so much of the circle as is cut off by the chord; as, the segment acb in the Illustration.
(n.) A piece in the form of the sector of a circle, or part of a ring; as, the segment of a sectional fly wheel or flywheel rim.
(n.) A segment gear.
(n.) One of the cells or division formed by segmentation, as in egg cleavage or in fissiparous cell formation.
(n.) One of the divisions, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome.
(v. i.) To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum.
Example Sentences:
(1) From 1982 to 1989, bronchoplasty or segmental bronchoplasty and pulmonary arterioplasty in combination with lobectomy and segmentectomy were performed for 9 patients with central type lung carcinoma.
(2) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
(3) The adjacent gauge was separated from the ischemic segment by one large nonoccluded diagonal branch of the left anterior descending artery.
(4) Electronmicroscopical investigations have revealed that, under normal conditions, a minor vesicular transfer of intravenously injected peroxidase occurs across the endothelium in segments of arterioles, capillaries and venules, especially in arterioles with a diameter about 15-30 mu.
(5) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
(6) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
(7) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
(8) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(9) Endoscopic retrograde cholangiography failed to demonstrate any bile ducts in the right postero-lateral segments of the liver, the "naked segment sign".
(10) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
(11) The family comprises at least three variable (V) gene segments, three constant (C) gene segments, and three junction (J) gene segments.
(12) The reducing equivalents could be donated by formate or NADH through some segment of the membrane respiratory chain.
(13) Two hours after refeeding rats fasted for 48 h, ODC activity increased 40-fold in mucosa from the intact jejunum and 4-fold in the mucosa of the bypassed segments.
(14) Expressed per centimeter of gut length, total DAO activity was also enhanced by +141% in segment B (P less than 0.05 vs controls) and by +87% in segment C (P less than 0.01 vs controls) of resected rats.
(15) [125I]AaIT was shown to cross the midgut of Sarcophaga through a morphologically distinct segment of the midgut previously shown to be permeable to a cytotoxic, positively charged polypeptide of similar molecular weight.
(16) Axons emerge from proximal dendrites within 50 microns of the soma, and more rarely from the soma, in a tapering initial segment, commonly interrupted by one or two large swellings.
(17) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
(18) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
(19) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
(20) In addition to terminating at the brachial segments, they had one to three collaterals to the upper cervical cord (C3-C4), where the propriospinal neurons projecting to forelimb motoneurons are located.