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Sponges |
Record 1 to 25 of 49 |
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A. Primordialis "Simple sponge (Ascetta primordialis). Note the vase-like form, the apical osculum, the inhalant pores in the walls." -Thomson, 1916... |
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Ascon Sponge Diagram showing the Ascon type of sponge. ec., ectoderm; r.c., radiating canals; i.p., internal pores; mes., mesenchyma, e.p., external pores.... |
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Canal System, Sponge "Diagram showing types of canal system. --After Korschelt and Heider. The flagellate regions are dark throughout, the mesogloea is dotted, the arrows show the direction of the currents. All the figure... |
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Chalk Sponge Gastrula "Gastrula of a Chalk-sponge (Olynthus). A, external view." -Whitney, 1911... |
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Chalk Sponge Gastrula "Gastrula of a Chalk-sponge (Olynthus). B, longitudinal section through the axis: g, primitive intestine; o, blastopore; i, inner cell-layer of the body-wall; e, outer cell-layer." -Whitney, 1911... |
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Colony, Sponge A sponge colony.... |
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Connective Tissue "Connective tissue of sponge." — Encyclopedia BSponge Diver Counting Cardsritannica, 1893... |
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Epistomella Clivosa Isolated spicular bodies of an extinct silicious sponge. (Epistomella clivosa).... |
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Glove, Neptune's A sea sponge in the shape of a human glove. ... |
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Holtenia Carpenteri A modern sponge with silicious skeletal structure, and basal glass fibers for fixation (Holtenia carpenteri).... |
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Jereiea Polystoma Part of the skeletal structure of a lithisdid silicious sponge.... |
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O. Lobularis "Diagrammatic representation of development of Oscarella lobularis. Bl., Free-swimming blastula with flagella; G., gastrula settled down. Next figure shows folding of inner layer (En.); Ec., outer lay... |
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Section, Sponge "Section of a sponge. Showing inhalant canals, flagellate chambers, a gastrula forming in the mesogloea, etc." -Thomson, 1916... |
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Simple sponge Part of the outer wall of this Calcolynthus is cut away. This is a simple sponge.... |
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Simple Sponge Development "Diagrams to illustrate the development of one of the simpler types of sponge: I, the egg; 2, section of 16- to 32-celled stage; 3, section of later stage, a ciliated larva (blastula); 4, gastrula; 5,... |
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Spicules, Sponge "Sponge spicules. 1, Monaxon; 2, triod; 3, triaxon; 4, tetraxon; 5, anchor; 6, polyaxon; 7, a kind of amphidisc." -Thomson, 1916... |
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Spicules, Sponge Spicules may be made of silica or calcium carbonate, and vary in shape from simple rods to three-dimensional "stars" with up to six rays. Spicules are produced by sclerocyte cells, and may be separate... |
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Sponge In this simple sponge, water enters minute holes in the sides and passes out of the opening at the top of the tube.... |
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Sponge In this simple sponge, part of the outer wall is cut away to show the inside.... |
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Sponge A cross-section of a simple tubular sponge. ... |
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Sponge A diagram of a commercial sponge. ... |
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Sponge A typical sea sponge growing on the ocean floor... |
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Sponge An animal of the porifera class, having pores in the body-wall and being without tentacles.... |
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Sponge "Diagram of simple type of sponge. c, cloaca; ch, chambers, lined with flagellate entoderm; e.p., external pores; i.p., internal pores; mes., mesenchyma; o, osculum; r.c., radiating canals. In the ad... |
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Sponge The sponge, a many celled animal, begins its life as a single-cell, the egg. ... |
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