Image of Anemonia Risso 1826

Description:

Figure 3.Anemonia sargassensis. A Live specimen in natural habitat B Oral view C Pedal disc view D Cross section through distal column showing mesenteries; arrows indicate siphonoglyphs E Detail of cross section through distal column showing a siphonoglyph F Detail of retractor and parietobasilar muscles G Longitudinal section through margin showing acrorhagi and marginal sphincter muscle H Longitudinal section through base showing basilar muscles I Cross section through tentacle J–U Cnidae.– acrorhagi: J small basitrich K basitrich L holotrich; actinopharynx: M small basitrich N microbasic p-mastigophore; column: O basitrich; filaments: P basitrich Q microbasic b-mastigophore R microbasic p-mastigophore; tentacle: S small basitrich T basitrich U spirocyst. Abbreviations.– acr: acrorhagi, bm: basilar muscle, e: epidermis, fo: fosse, g: gastrodermis, la: larvae, lm: longitudinal muscle, m: mesoglea, mp: marginal projection, od: oral disc, pd: pedal disc, pm: parietobasilar muscle, rm: retractor muscle, s: siphonoglyph, sp: sphincter, t: tentacle. Scale bars: A–C: 10 mm; D–I: 200 μm; J–U: 25 μm.