ascidium

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Related to ascidia: doliolum

ascidium

[ə′sid·ē·əm]
(botany)
A pitcher-shaped plant organ or part.
References in periodicals archive ?
Body wall (easily visible inside smooth Ciona transparent tunic) with five to seven white intestinalis* wide longitudinal muscle bands on each side (often somewhat contracted in fixed animals); animal elongate, flaccid, attached basally Body wall muscles in a meshlike pattern mostly on Ascidia right (uppermost) side but not as above; animal interrupta attached broadly on left side, tunic semi-transparent, thin and not smooth 4.
85,000 [+ or -] 15,000 cells/mL); 32% to fine slime; and 8% to copepods, rotifers, and ascidia, in the water column, average transparency was 0.
Other solitary tunicates, Phallusia mamillata, Ascidia spp, Ascidiella spp, Molgula spp, and the introduced species Styela clava settled inside and outside the cages.
Native ascidians: Aplidium californicum Botrylloides diegensis Distaplia occidentales Non-indigenous ascidians: Ascidia zara Botrylloides perspicuum Botrylloides violaceus Botryllus schlosseri Ciona sp.