semitan.
/ˈsɛmɪtə/ Zoology.
A band of minute close-set tubercles which bear ciliated clubbed spines, characteristic of the spatangoid sea urchins.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > order Spatangoidea > parts of member of > band of minute tubercles
fasciole1850
semita1877
1877 T. H. Huxley Man. Anat. Invertebrated Animals ix. 574 These bands of peculiarly modified spines are called semitæ or fascioles.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 558.
Derivatives
ˈsemital adj. [compare Latin sēmitālis belonging to footpaths] of or pertaining to a semita.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > relating to or resembling sea-urchin > of or relating to minute tubercles in Spatangoidea
semital1877
1877 T. H. Huxley Man. Anat. Invertebrated Animals ix. 573 Fig., Semital tubercles... Semital spine.
This entry has not yet been fully updated (first published 1911; most recently modified version published online December 2021).
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n.1877- disbyronize
- disc
- disc area
- disc armature
- disc barrow
- disc brake
- disc brooch
- disc bud
- disc camera
- disc clutch
- disc controller
- disc coupling
- disc crank
- disc cultivator
- disc cutter
- disc cutting
- disc drill
- disc drive
- disc dynamo
- disc editing
- disc electrode
- disc electrometer
- disc emulator
- disc engine
- disc fan