medial plate

medial plate

An obsolete term that formerly dignified the mesodermal cells lying between the somites and the lateral plate mesoderm.
References in periodicals archive ?
Stachyotis is similar to Rhabdocosma Meyrick, 1935 (Ypsolophidae) in the shape of the pleural lobes but differs from the latter in the male genitalia: processes on uncus in addition to socii present in Stachyotis, absent in Rhabdocosma; gnathos acuminate medially, up-curved in Stachyotis, with linguiform medial plate in Rhabdocosma; and saccus longer in Stachyotis than in Rhabdocosma.
Augmentation of such constructs with either a medial plate or medial external fixation has been advocated to improve stability.
0 mm); crown of trunk scales elongate, with relatively long posterior portion, with higher medial plate and downstepped lateral areas; median plate bent down, with short, shallow notch anteriorly, smooth and flat or slightly raised posteriorly; lateral crown areas with one to two longitudinal ridges of different height; usually one spine, rarely up to five, very short, anterior to ridges; lateral ridges joined behind and below posterior point of medial plate; base wider than crown, anterior spur directed either vertically, or anteriorly and downwards; pulp depression large, with rows of openings of dentine canals; pulp canal present; dentine canals proximally expanded and distally narrow.
3 mm) scales with posteriorly raised crown; medial and lateral crown areas distinct; medial plate rounded anteriorly and pointed posteriorly, smooth or with shallow furrow, separated from lateral lappets by wide, smooth furrows anteriorly and short slit posteriorly; lappets with serrated outer margins, situated at lower level; neck indistinct or lacking anteriorly, but occurring as shallow groove posteriorly; base of nikoliviid type, round or oval, low, open or infilled (Pl.

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