Knowledge (XXG)

Diverticulum (mollusc anatomy)

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or hepatopancreas of the animal. The cerata are translucent, and thus the contents of the diverticula are easily visible from the outside of the animal. Because of this, an aeolid nudibranch automatically takes on the colour of whatever substrate and food source it is living on and feeding on (for
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principles and Applications of Electron Microscopy, An Ultrastructural Study on the Transportation and Intracellular Incorporation of Coelenterate Nematocysts in the Predatory Nudibranch Mollusc
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when it is on its food source. The diverticula also serve another important purpose because they pass along to the tips of the cerata any intact
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that have been ingested from the food source. These stinging cells then serve to defend the nudibranch against
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Nudibranch.com.au website, Nudibranch Glossary, Definitions of terms relating to Opisthobranchs,
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is an anatomical feature. The term is most often encountered in the plural form as "
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The term is also applied to mollusk anatomy in other contexts: land slugs such as
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The Cephalopod page.org, Marine Invertebrates of Bermuda, Neapolitan Spurilla (
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terms for organs which are visible from the outside of the body in a clade of
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of these nudibranchs are hepatic diverticula, which are an outgrowth of the
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This article is about structures in seaslugs. For the medical term, see
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and there is also a diverticulum in the stomach of certain
598: 492: 416: 380: 247: 117:have an array of long protruding structures called 113:Individual animals within the nudibranch clade 224: 8: 121:on their dorsal surface. Located within the 231: 217: 209: 37:to show the coloured hepatic diverticula. 22: 159: 199:, by Michelle Johnson and Misty Borja 7: 14: 580:Reproductive system of gastropods 585:Respiratory system of gastropods 500:Circulatory system of gastropods 525:Excretory system of gastropods 515:Digestive system of gastropods 1: 590:Sensory organs of gastropods 555:Nervous system of gastropods 621:Circumesophageal nerve ring 91:have a caecal diverticulum 678: 138:). Visually the animal is 15: 104:Description and functions 196:Hermissenda crassicornis 33:with enlargement of the 38: 27:The aeolid nudibranch 26: 181:Spurilla neopolitana 545:Hypobranchial gland 493:Internal soft parts 417:External soft parts 88:Lehmannia marginata 39: 30:Flabellina lineata 662:Gastropod anatomy 644: 643: 570:Oesophageal pouch 429:Caudal mucous pit 202:Accessed 2014-9-6 169:Accessed 2014-9-6 669: 560:Nidamental gland 484:Suprapedal gland 381:Other hard parts 233: 226: 219: 210: 203: 191: 185: 176: 170: 164: 109:In the Aeolidida 65:known as aeolid 677: 676: 672: 671: 670: 668: 667: 666: 657:Bivalve anatomy 647: 646: 645: 640: 594: 535:Hancock's organ 488: 412: 376: 347:Stromboid notch 243: 237: 207: 206: 192: 188: 177: 173: 165: 161: 156: 127:digestive gland 111: 106: 21: 12: 11: 5: 675: 673: 665: 664: 659: 649: 648: 642: 641: 639: 638: 633: 628: 623: 618: 613: 608: 602: 600: 596: 595: 593: 592: 587: 582: 577: 572: 567: 562: 557: 552: 547: 542: 540:Hepatopancreas 537: 532: 530:Gastric shield 527: 522: 517: 512: 507: 502: 496: 494: 490: 489: 487: 486: 481: 476: 474:Semper's organ 471: 466: 461: 456: 451: 446: 441: 436: 431: 426: 424:Caryophyllidia 420: 418: 414: 413: 411: 410: 405: 400: 395: 390: 384: 382: 378: 377: 375: 374: 369: 364: 359: 354: 349: 344: 339: 337:Siphonal notch 334: 332:Siphonal canal 329: 324: 319: 314: 309: 304: 299: 294: 289: 284: 279: 274: 269: 264: 259: 253: 251: 245: 244: 238: 236: 235: 228: 221: 213: 205: 204: 186: 171: 158: 157: 155: 152: 110: 107: 105: 102: 41:As applied to 13: 10: 9: 6: 4: 3: 2: 674: 663: 660: 658: 655: 654: 652: 637: 634: 632: 631:Tyrian purple 629: 627: 624: 622: 619: 617: 614: 612: 609: 607: 604: 603: 601: 597: 591: 588: 586: 583: 581: 578: 576: 573: 571: 568: 566: 563: 561: 558: 556: 553: 551: 548: 546: 543: 541: 538: 536: 533: 531: 528: 526: 523: 521: 518: 516: 513: 511: 508: 506: 503: 501: 498: 497: 495: 491: 485: 482: 480: 477: 475: 472: 470: 467: 465: 462: 460: 457: 455: 452: 450: 447: 445: 442: 440: 437: 435: 432: 430: 427: 425: 422: 421: 419: 415: 409: 406: 404: 401: 399: 396: 394: 391: 389: 386: 385: 383: 379: 373: 370: 368: 365: 363: 360: 358: 355: 353: 350: 348: 345: 343: 340: 338: 335: 333: 330: 328: 325: 323: 320: 318: 315: 313: 310: 308: 305: 303: 300: 298: 295: 293: 290: 288: 285: 283: 280: 278: 275: 273: 270: 268: 265: 263: 260: 258: 255: 254: 252: 250: 246: 241: 234: 229: 227: 222: 220: 215: 214: 211: 201: 198: 197: 190: 187: 183: 182: 175: 172: 168: 163: 160: 153: 151: 149: 145: 141: 137: 133: 128: 124: 120: 116: 108: 103: 101: 100: 97: 93: 90: 89: 83: 81: 78: 75: 74:opisthobranch 72: 68: 64: 60: 56: 52: 48: 44: 36: 32: 31: 25: 19: 297:Periostracum 194: 189: 179: 174: 162: 132:sea anemones 112: 86: 84: 54: 51:diverticulum 50: 42: 40: 28: 18:Diverticulum 626:Trochophore 611:Pseudofeces 565:Odontophore 520:Diverticula 464:Pneumostome 307:Planispiral 144:nematocysts 140:camouflaged 67:nudibranchs 55:diverticula 651:Categories 575:Osphradium 550:Nephridium 469:Rhinophore 459:Parapodium 388:Clausilium 327:Selenizone 317:Protoconch 267:Body whorl 154:References 59:anatomical 606:Epiphragm 510:Ctenidium 398:Operculum 393:Love dart 357:Umbilicus 322:Sculpture 302:Peristome 277:Columella 240:Gastropod 148:predation 130:example, 115:Aeolidida 77:gastropod 63:sea slugs 47:Neo-Latin 439:Cnidosac 257:Aperture 136:hydroids 96:Bivalvia 80:molluscs 43:mollusks 636:Veliger 616:Torsion 242:anatomy 479:Siphon 449:Mentum 444:Mantle 434:Cerata 408:Radula 352:Suture 272:Callus 123:cerata 119:cerata 71:marine 45:, the 35:cerata 599:Other 454:Notum 403:Pearl 372:Whorl 367:Varix 362:Valve 342:Spire 312:Plait 292:Nacre 249:Shell 49:term 505:Crop 287:Lira 262:Apex 282:Lip 134:or 653:: 150:. 82:. 69:, 232:e 225:t 218:v 98:. 20:.

Index

Diverticulum

Flabellina lineata
cerata
Neo-Latin
anatomical
sea slugs
nudibranchs
marine
opisthobranch
gastropod
molluscs
Lehmannia marginata

Bivalvia

Aeolidida
cerata
cerata
digestive gland
sea anemones
hydroids
camouflaged
nematocysts
predation

Spurilla neopolitana
Hermissenda crassicornis

v

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