What's the difference between soma and somatic?

Soma


Definition:

  • (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.

Somatic


Definition:

  • (a.) Of or pertaining to the body as a whole; corporeal; as, somatic death; somatic changes.
  • (a.) Of or pertaining to the wall of the body; somatopleuric; parietal; as, the somatic stalk of the yolk sac of an embryo.

Example Sentences:

  • (1) The present results provide no evidence for a clear morphological substrate for electrotonic transmission in the somatic efferent portion of the primate oculomotor nucleus.
  • (2) Preliminary rhythmic somatic stimulation has a predominantly facilitating effect on EPs appearing in response to tonal stimuli in the areas A1, S2, S1.
  • (3) Autopsy revealed serious somatic diseases (stenosis of the ileum in two cases and brain tumor in one); their symptoms had been largely overlapped by those of anorexia nervosa.
  • (4) Bereaved individuals were significantly more likely to report heightened dysphoria, dissatisfaction, and somatic disturbances typical of depression, even when variations in age, sex, number of years married, and educational and occupational status were taken into account.
  • (5) The latter appears to reflect methodological problems since both fat-free determinations depend upon TBW rather than somatic proteins.
  • (6) Somatic and functional antigens of Dictyocaulus filaria were comparatively studied by means of disk electrophoresis.
  • (7) Radiation hybrid mapping is a somatic cell technique for ordering human loci along a chromosome and estimating the physical distance between adjacent loci.
  • (8) Using molecular probes to examine somatic cell lines and recombinant inbred and congenic strains of mice, we have re-evaluated these linkage relationships.
  • (9) A close similarity was evident between variation in ATP and somatic cell count, except during the first 10 d after parturition when the variation in ATP was more pronounced.
  • (10) Proposed models for the inheritance of locus-specific methylation phenotypes in somatic cells include those in which there is stable inheritance of a methylation pattern such that all cells contain a similarly methylated locus, as well as models in which the inheritance of methylation can be variable.
  • (11) Using morhological, neurohistological and histochemical methods the author studied different areas and anatomical structures of the central and peripheral somatic and vegetative nervous system in 4 patients who had died during different periods of rheumatoid arthritis at the age of 27, 48, 51, and 60.
  • (12) Anxiety, depression, and somatization were greater in RAP mothers than well mothers.
  • (13) It has been held in contrast to the pseudo-stemline concept that these cells in general, have the essential genes in common and are responsible for the genetic make-up of this cell line and constitute together the stemline of this somatic cell population.
  • (14) The alpha cells had large somatic and dendritic fields.
  • (15) Where the PGCs bulge out into the coelomic cavity, they stretch the somatic cell covering to a thin, cytoplasmic layer.
  • (16) Southern blotting experiments using somatic cell hybrids containing either the human chromosome 3 or the X chromosome confirm the presence of multiple dispersed RTVL-H sequences on these two chromosomes.
  • (17) The mapping of the gene coding for human aldolase C has been studied using a specific cDNA probe and genomic blots from a panel of human-hamster somatic cell hybrids.
  • (18) The amount of spinal visceral afferences is relatively small (only 1.5-2.5% of all somatic spinal afferences).
  • (19) Retrograde transport of horseradish peroxidase and immunocytochemical visualization of glutamate (Glu) were combined to investigate the neurotransmitter used by cortico-cortical neurons in the first (SI) and second (SII) somatic sensory areas of macaque monkeys.
  • (20) Somatic changes included reduced wool growth, delayed osseous development in the limbs (X-ray assessment) a reduced heart weight (39.1%) and an increased pituitary weight (48.1%).