trichophore

from The Century Dictionary.

• noun In botany, the special cell or chain of cells in certain algæ which bears the trichogyne. See Florideæ.
• noun In zoology, a process of the integument of certain annelids, as Polychæta, within which are developed the peculiar chitinous setæ of the parapodia, and which incloses the bases of the pencil-like bundles of setæ (whence the name). See cut under pygidium.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) The special cell in red algæ which produces or bears a trichogyne. See Illust. of trichogyne.
• noun (Zoöl.) One of the saclike organs from which the setæ of annelids arise.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun botany The special cell in red algae which produces or bears a trichogyne.
• noun zoology One of the sac-like organs from which the setae of annelids arise.