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Corals and Sea Anemone

Record 126 to 150 of 236

Clipart images of corals and sea anemone in the phylum cnidiria. They attach themselves to the bottom using an adhesive 'foot', called a basal disc.


Hydra
Longitudinal section of a hydra. ...
Hydra
Cross section of a hydra. ...
Hydra
Stinging cells of hydra, highly magnified. Cell containing thread capsule....
Hydra
Stinging cells of hydra, highly magnified. Thread capsule partly discharged....
Hydra
Stinging cells of hydra, highly magnified. Thread capsule fully discharged....
Hydra
"Nettling cells of Hydra. A, unexploded; B, exploded; b, barbs; c, the nettling cell in which the nettling organ is developed; cn., the cnidocil or "trigger"; cp., the capsule or nettling organ; f, th...
Hydra
"Hydra hanging from water-weed." -Thomson, 1916...
Hydra
"A, Longitudinal section through the body of Hydra (diagrammatic). B, small portion of the wall more highly magnified. b, bud; ect., ectoderm; ent., entoderm; f, foot; fl., flagellum; g.v., gastro-vas...
Hydra or Freshwater Polyp, The Digestive Apparatus of a
In Radiata the digestive cavity is a pouch with a single opening, into which the food is passed and from which the residuum is ejected, as in the Hydra....
Hydra Vividis
"Hydra vividis. ov, ovary; te, testis." — Encyclopedia Britannica, 1893...
Hydra, section of a
"Longitudinal section of a Hydra; b, bud which will form a young one; ba, base by which it is attached when not creeping." — Davison, 1906...
Hydractina Echinata
"Hydractina Echinata. c, the canosarc, forming an incrustation over the object on which it lives; n, nutritive polyps; r, reproductive polyps, bearing buds in which are ova; t, tentacles." — Gal...
Hydractinia
"Diagram of a colony of Hydractinia, showing four forms of persons. a, hydriform person; b, modified hydriform person, or blastostyle, bearing c, degenerate medusiform persons or sporosacs; d, modifi...
Hydractinia
"Colony of Hydractinia on back of a Buccinum shell tenanted by a hermit-crab." -Thomson, 1916...
Hydrazoan Polyp
"Diagram of a typical Hydrozoan polyp. EC., Ectoderm; EN., endoderm; C., the cavity of the gut (coelenteron); G., a reproducive bud; T., a tentacle; H., hypostome or oral cone; M., mouth." -Thomson, 1...
Hydroid
"Diagram of a gymnoblastic Hydroid. a., Stem; b., root; c., gut cavity; d., endoderm (dark); e., ectoderm; f., horny perisarc; g., hydra-like "person" (hydranth); g'., the same, contracted; h., hypost...
Hydroid Blastula
"A, blastula in which the entoderm (ent.) is produced by proliferation from ectoderm (ect.)." -Galloway, 1915...
Hydroid Colony
"A. A small piece of hydroid colony. p., Perisarc; m., medusoid bud; h., hydranth or polyp head." -Thomson, 1916...
Hydroid Planula
"B, ciliated planula formed by the continuance of this process. A split in the entoderm furnishes the beginning of the gastro-vascular cavity (g) of the adult." -Galloway, 1915...
Hydroid Planula, Mature
"C, more mature condition, in which the planula has become fixed: f, foot or attached end; o, oral or free end at which the tentacles and mouth will be developed." -Galloway, 1915...
Hydroid, Campanularian
"Hydroids. IV A. Campanularian. IV B. A fragment enlarged, showing stalked hydrothecae (H.), a gonotheca (G.); C., the coenenchyma; P., the perisarc; S., a stalk." -Thomson, 1916...
Hydroid, Campanularian
"Campanularian Hydroid. H., Hydrotheca or polyp-cup; HY., hydranth, or polyp-head; G., gonotheca, enclosing a reproductive polyp producing medusoid buds; M., a liberated medusoid; ST., basal stolon." ...
Hydroid, Plumularia
"Hydroids. III A. Plumularia. III B. A fragment enlarged, showing hydrothecae (H.) on one side of each twig, an axillary gonotheca (G.) and minute nematophores." -Thomson, 1916...
Hydroid, Sertularia
"Hydroids. II A. Piece of Sertularia. II B. A fragment enlarged, showing sessile hydrothecae (H.) on both sides of the twigs." -Thomson, 1916...
Hydroid, Tubularia
"Hydroids. I. Tubularia." -Thomson, 1916...
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