perisomaticadj.1
/ˌpɛrᵻsəˈmatɪk/, U.S. /ˌpɛrəsəˈmædɪk/ Zoology. rare.
Of or relating to the body wall of an echinoderm.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to or resembling echinoderms > of parts of > of or relating to integument or body-wall
perisomal1876
perisomatic1877
perisomial1893
1877 T. H. Huxley Man. Anat. Invertebrated Animals ix. 594 Portions of the perisomatic skeleton of the aboral region.
1992 M. Stachowitsch Invertebr. 529/2 Perisomatic skeleton, endoskeleton structure: general category of plate associated with membrane (tegumen) covering crown.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
perisomaticadj.2
/ˌpɛrᵻsəˈmatɪk/, U.S. /ˌpɛrəsəˈmædɪk/ Histology.
Located or occurring around or near the cell body (soma) of a neuron.
ΚΠ
1964 Zeitschr. f. Zellforschung u. Mikrosk. Anat. 63 568 (title) Number and structure of perisomatic satellite cells of spinal ganglia under normal conditions or during axon regeneration and neuronal hypertrophy.
1967 Brain Res. 6 277 Degenerated peridendritic and perisomatic fibers were seen around cells in the medial (magnocellular) and lateral (parvocellular) reticular tegmentum bilaterally.
1989 Neuroscience 29 443 Serotonin was applied onto the perisomatic area of the neuron.
2003 Jrnl. Physiol. 551 49 We propose that interneurones have a perisomatic and a distal dendritic functional compartment, with different integrative functions.
This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).
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