ciliary disc

or·bi·cu·lus cil·i·ar·is

(ōr-bik'yū-lŭs sil'ē-ār'is), [TA]
The darkly pigmented posterior zone of the ciliary body continuous with the retina at the ora serrata.
[Mod. L.]

or·bi·cu·lus cil·i·ar·is

(ōr-bik'yū-lŭs sil'ē-ar'is) [TA]
The darkly pigmented posterior zone of the ciliary body continuous with the retina at the ora serrata.
Synonym(s): ciliary disc, ciliary ring, pars plana.
[Mod. L.]
References in periodicals archive ?
In filibranch gills, there is no direct connection between adjacent filaments aside from that made through the ciliary discs. Nevertheless, these discs clearly cause changes in interfilament distance even in excised gill fragments independent of the gill axis (Jorgensen, 1976; Jones et al., 1992; Medler, unpub.