Sycon sp Black & White Stock Photos
![. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photo](https://c8.alamy.com/comp/RDHDE6/a-manual-of-zoology-fig-36-sycon-gelatinosum-transverse-section-through-the-wall-of-a-cylinder-parallel-with-the-course-of-the-canals-showing-one-incurrent-canal-ic-and-one-radial-r-throughout-their-length-sgt-triradiate-spicules-sp-oxeote-spicules-of-dermal-cortex-dc-sfiquot-tetraradiate-spicules-of-gastral-cortex-gc-ec-ectoderm-eft-endoderm-pjn-pore-membrane-pfgt-prosopyles-ap-apopyle-di-diaphragm-exc-excurrent-passage-pc-paragastric-cavity-em-early-embryo-em-late-embryo-the-arrows-indicate-the-course-of-the-water-through-the-spon-RDHDE6.jpg ". A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photo")
. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-manual-of-zoology-fig-36-sycon-gelatinosum-transverse-section-through-the-wall-of-a-cylinder-parallel-with-the-course-of-the-canals-showing-one-incurrent-canal-ic-and-one-radial-r-throughout-their-length-sgt-triradiate-spicules-sp-oxeote-spicules-of-dermal-cortex-dc-sfiquot-tetraradiate-spicules-of-gastral-cortex-gc-ec-ectoderm-eft-endoderm-pjn-pore-membrane-pfgt-prosopyles-ap-apopyle-di-diaphragm-exc-excurrent-passage-pc-paragastric-cavity-em-early-embryo-em-late-embryo-the-arrows-indicate-the-course-of-the-water-through-the-spon-image232109086.htmlRMRDHDE6–. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon
![. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photo](https://c8.alamy.com/comp/PG3PGA/a-manual-of-zoology-fig-36-sycon-gelatinosum-transverse-section-through-the-wall-of-a-cylinder-parallel-with-the-course-of-the-canals-showing-one-incurrent-canal-ic-and-one-radial-r-throughout-their-length-sgt-triradiate-spicules-sp-oxeote-spicules-of-dermal-cortex-dc-sfiquot-tetraradiate-spicules-of-gastral-cortex-gc-ec-ectoderm-eft-endoderm-pjn-pore-membrane-pfgt-prosopyles-ap-apopyle-di-diaphragm-exc-excurrent-passage-pc-paragastric-cavity-em-early-embryo-em-late-embryo-the-arrows-indicate-the-course-of-the-water-through-the-spon-PG3PGA.jpg ". A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photo")
. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon Stock Photohttps://www.alamy.com/image-license-details/?v=1https://www.alamy.com/a-manual-of-zoology-fig-36-sycon-gelatinosum-transverse-section-through-the-wall-of-a-cylinder-parallel-with-the-course-of-the-canals-showing-one-incurrent-canal-ic-and-one-radial-r-throughout-their-length-sgt-triradiate-spicules-sp-oxeote-spicules-of-dermal-cortex-dc-sfiquot-tetraradiate-spicules-of-gastral-cortex-gc-ec-ectoderm-eft-endoderm-pjn-pore-membrane-pfgt-prosopyles-ap-apopyle-di-diaphragm-exc-excurrent-passage-pc-paragastric-cavity-em-early-embryo-em-late-embryo-the-arrows-indicate-the-course-of-the-water-through-the-spon-image216442474.htmlRMPG3PGA–. A manual of zoology. . Fig. 36. — Sycon gelatinosum. Transverse section through the wall of a cylinder (parallel with the course of the canals), showing one incurrent canal (IC), and one radial {R) throughout their length; s/>, triradiate spicules; sp', oxeote spicules of dermal cortex {dc) ; sfi", tetraradiate spicules of gastral cortex {gc) ec, ectoderm; eft, endoderm; pjn, pore membrane ; pf>, prosopyles; ap, apopyle ; di, diaphragm; e.xc, excurrent passage; PC, paragastric cavity; em, early embryo; em', late embryo- The arrows indicate the course of the water through the spon
