(n.) The whole axial portion of an animal, including the head, neck, trunk, and tail.
Example Sentences:
(1) An initial complex-soma inflection was observed on the rising phase of the action potential of some cells.
(2) 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.
(3) In cat, DARPP-32-immunoreactive cell bodies identified as Müller cells were demonstrated in the inner nuclear layer (INL) with processes closely surrounding the cell soma of photoreceptors in the outer nuclear layer.
(4) Today the physician who treats women with emotional problems during menopause cannot function solely as a psychotherapist; he must deal with both their soma and psyche.
(5) For those synapses that were close to the soma the time constant for decay for the non-NMDA component, which was voltage insensitive, ranged from 4-8 ms. 7.
(6) We find that the labelled cell has a myelinated axon, but that the axon loses its myelin within 50 microns of the soma and has not yet been traced further.
(7) The soma of the injured neutron has a dense perinuclear ring of RNA.
(8) The effective electrical geometry under the conditions of control and 0.5 mM PNB sufficient to completely abolish the postsynaptic potential were determined from analyses of the membrane charging curves assuming the lumped-soma-short-cable model.
(9) Sequential recordings of spike amplitudes from the axon hillock, soma, and lateral dendrite suggest that the generator of the axotomy-induced component is localized to the normally passive soma and proximal dendrite.
(10) In order to determine whether there is a relationship between soma diameter and oxidative enzyme activity of alpha-motoneurons, we investigated the alpha-motoneurons innervating the different portions within a rat gluteus medius muscle.
(11) In oestrogen-treated preparations, tuberoinfundibular arcuate neurons responsive and unresponsive to accessory bulb stimulation could be distinguished by the frequency of successful antidromic propagation into the soma.
(12) These cells were also NSE positive and were characterized by the presence of soma action potentials.
(13) It is concluded that barium ions have at least 2 points of attack in the ganglion: 1, on the soma membrane of the neurones, and 2, on the presynaptic terminals controlling them.
(14) By the end of this period the neuronal soma and the proximal dendrites appeared mature in terms of both morphology and synaptic input.
(15) Although the globular bushy cell axons were not completely filled from the soma of origin to terminal fields in the contralateral brainstem, a number of consistent anatomical features were distinguished in the population.
(16) Approximately 85% of Na channels in the soma are essentially indistinguishable from those in the giant axon with regard to gating properties and sensitivity to tetrodotoxin or saxitoxin.
(17) In slices cut parallel to the pyramidal neurons (perpendicular to the brain surface) one can study chemosensitivity of the various parts of the dendritic tree and the soma.
(18) It has not been possible to connect the efferent somas with the fibers.
(19) Interestingly, the M-cell soma which stains positive for AChE was ChAT negative.
(20) However, the distribution of the enzymes is indirectly correlated as high levels of particulate cyclic AMP-dependent protein kinase are present in the soma of neurons with high concentrations of adenylate cyclase in their terminals.
Stoma
Definition:
(n.) One of the minute apertures between the cells in many serous membranes.
(n.) The minute breathing pores of leaves or other organs opening into the intercellular spaces, and usually bordered by two contractile cells.
(n.) The line of dehiscence of the sporangium of a fern. It is usually marked by two transversely elongated cells. See Illust. of Sporangium.
(n.) A stigma. See Stigma, n., 6 (a) & (b).
Example Sentences:
(1) Follow-up studies up to 2 years postoperatively revealed satisfactorally functioning stomas in all of the patients.
(2) This surgical procedure involves removing the penile urethra and creating a permanent stoma between the skin and pelvic urethra.
(3) Both types of stoma were demonstrated objectively to defunction the distal bowel almost completely.
(4) Emergency stoma formation seems to be associated with the highest complication rates, probably because of suboptimal stoma placement.
(5) Acceptance of the stoma by family and friends was good and there were no major difficulties in practising sports and other hobbies.
(6) A universal ventilation laser fiberoptic tracheoscope has been developed for use in endoscopic treatment of patients with obstructing benign and malignant lesions of the subglottis-cervicotrachea and laryngectomy tracheal stoma.
(7) The method has been developed by the authors in view of the prevalence of strictures involving the terminal ureter and the stoma after unintubated cutaneous ureterostomy in case of a normal ureteral lumen.
(8) In both groups the patients developed post-operative pharyngo-cutaneous fistulae in approximately one third of the cases, and we found no obvious difference in the stoma's ability to shrink in the two groups.
(9) The procedure offers a choice of locations of the reservoir and stoma in most patients.
(10) Patients 60 years of age or older tolerate ileostomy well, but care of the stoma can cause problems.
(11) No patients with small bowel localization required a permanent stoma.
(12) The late complication in 3 cases was urinary incontinence of the efferent nipple valve with difficulty in catheterization of the stoma.
(13) In GPL mechanical fractures such as pouch volume and stoma size are of great importance, which is in accordance with earlier theories.
(14) A tapered distal ileal segment with a catheterizable abdominal stoma provided full continence in all 10 patients.
(15) Patients initially presenting with rectal involvement or perianal fistulas were prone to need a stoma during the course of their disease while intraabdominal fistulas, abscesses, age, sex, and longstanding disease where of no prognostic significance.
(16) Although only positive metabolic changes have been registered, we feel that gastroplasty, which is not without early postoperative complications and has a failure rate of about 30%, cannot be generally recommended until the problem of postoperative dilation of the stoma has been successfully solved.
(17) Diversion with a continent caecal reservoir was associated with fewer stoma-related problems and seemed to allow the patients greater freedom to continue activities such as sport, travel and social life.
(18) But the insertion of silicone T tube through the laryngeal stoma provided a satisfactory result for airway problem.
(19) Nipple stomas of at least 2 cm height were found to resist back-flow into the conduit better than any flat stoma.
(20) Between January 1, 1982 and June 30, 1987 a total of 122 patients suffering colorectal cancer (n = 88) or diverticulitis of the colon (n = 24) underwent surgery for construction of a transient defunctioning stoma.