Dor"ser (?), n. See Dosser.
||dor`si*bran`chi*a"ta (?), n. pl. [NL., from L. dorsum back + branchiae gills.] (Zoöl.) A division of chætopod annelids in which the branchiæ are along the back, on each side, or on the parapodia. [See Illusts. under Annelida and Chætopoda.]
Dor`si*bran"chi*ate (?), a. (Zoöl.) Having branchiæ along the back; belonging to the Dorsibranchiata. -- n. One of the Dorsibranchiata.
Dor*sif"er*ous (?),. [Dorsum + -ferous; cf. F. dorsifère.] (Biol.) Bearing, or producing, on the back; -- applied to ferns which produce seeds on the back of the leaf, and to certain Batrachia, the ova of which become attached to the skin of the back of the parent, where they develop; dorsiparous.
Dor`si*mes"on (?), n. [Dorsum + meson.] (Anat.) See Meson.
Dor*sip"a*rous (?), a. [Dorsum + L. parere to bring forth.] (Biol.) Same as Dorsiferous.
Dor`si*ven"tral (?), a. [Dorsum + ventral.] 1. (Biol.) Having distinct upper and lower surfaces, as most common leaves. The leaves of the iris are not dorsiventral.