File:Abatus cordatus Long-spined juvenile (J2) (01).jpg

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Description Figure 12. Long-spined juvenile (J) of Abatus cordatus. (A) Section showing the organization of an advanced long-spined juvenile. (B) SEM micrograph of the stomodeum. (C) Transversal semi-thin plastic section (toluidine blue, pH 11.5) through an ambulacral zone. (D) SEM micrography of an ambulacral zone. (E) Semi-thin plastic section (toluidine blue, pH 11.5) through the proctodeal zone. Abbreviations: ap, animal pole; ac and 1, aquiferous canal; amp, primary podia; cc, coelomic cavity; ce, coelomic epithelium; ect, ectoderm; de, digestive epithelium; dl, digestive lumen; g, gut; hl and 2, hemal lacuna; m, mesentery; mes, mesenchyme; n, nerve (4, epineural layer; 5, epineural sinus; 6, ectoneural layer and 7, hyponeural layer); nr, nerve ring; pa podial ampullae; p, podia; pr, proctodeum; s, spine; si, siphuncle; sk, skeleton; st and 3, stomodeum; vp, vegetal pole. Scale bar = A, 500 um; B to E, 100 ym.
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Source https://archive.org/details/biologicalbullet1901996lill/page/39/mode/1up?view=theater The Biological bulletin. Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press.
Author Lillie, Frank Rattray, Moore, Carl Richard, Redfield, Alfred Clarence.

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current11:15, 26 March 2024Thumbnail for version as of 11:15, 26 March 20241,032 × 1,402 (1.43 MB)Rasbak (talk | contribs){{information |description=Figure 12. Long-spined juvenile (J) of Abatus cordatus. (A) Section showing the organization of an advanced long-spined juvenile. (B) SEM micrograph of the stomodeum. (C) Transversal semi-thin plastic section (toluidine blue, pH 11.5) through an ambulacral zone. (D) SEM micrography of an ambulacral zone. (E) Semi-thin plastic section (toluidine blue, pH 11.5) through the proctodeal zone. Abbreviations: ap, animal pole; ac and 1, aquiferous canal; amp, primary podia;...

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