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Endocranium

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scanning technology to create digital endocasts without damaging valuable specimens. This gives a 3D representation of the brain. Brain size and complexity can then be determined.
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were rather complex, and contained in addition to the bones mentioned above several small cartilaginous components that are fused to temporal and occipital bones in mammals:
361:(braincase), providing a replica of the brain with most of the details of its outer surface. Endocasts can also form naturally, when sediments fill the empty 271: 254: 258: 233:
occur as one or more stout bony elements in several mammal groups. The occipital bone is also found as several bony elements in
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Structurally, the endocranium consists of a boxlike shape, open at the top. The posterior margin exhibit the
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Kent, G.C & Miller, L. (1997): Comparative Anatomy of the Vertebrates. Wm. C. Brown Publishers.
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is much reduced in relative size and number of bones compared to the condition in the ancestral
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dermal elements, their whole cranium being composed of the endocranium, properly called a
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An endocast or endocranial cast is a cast made of the mold formed by the impression the
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Colbert's Evolution of the Vertebrates: A History of the Backboned Animals Through Time
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The American Heritage Medical Dictionary, 2004. Houghton Mifflin Company, USA
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is generally reduced with a simplified endocranium. The skull of early
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While the endocranium is an integral part of the skull in mammals,
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to pass through. All bones of the structure derive from the
467:. 4th edition. John Wiley & Sons, Inc, New York - 105:. The term is also applied to the outer layer of the 365:, after which the skull is destroyed and the cast 376:Endocasts were used for looking at the brains of 150: 483: 421: 419: 101:and it represents the basal, inner part of the 40:Human endocranium (pink fields), inner surface. 432:5th ed. Saunders, Philadelphia. (6th ed. 1985) 186:, underlying the forward portion of the brain 416: 286: 34: 19:For the internal cast of the cranium, see 217:Endocranial components in other tetrapods 369:. Scientists are increasingly utilizing 290: 282:, part of the occipital bone in mammals. 484: 16:The lower and inner parts of the skull 380:to find hemispheric specialization. 13: 315:of the skull is more loose in the 191:petrous part of the temporal bones 14: 508: 295:The loosely connected skull of a 342: 211: 159:, the endocranium forms during 452: 435: 407: 151:Endocranial elements in humans 1: 400: 428:. & T.S. Parsons. 1977. 241:, while the skull of modern 179:bone, lying behind the nose. 116: 7: 383: 357:makes on the inside of the 10: 513: 462:& Morales, M. (2001): 346: 18: 67: 55: 50: 45: 33: 28: 311:, its connection to the 69:Anatomical terms of bone 371:computerized tomography 287:The endocranium in fish 327:, the skull lacks the 300: 274:medially and a single 294: 137:external nasal nerves 127:, an opening for the 430:The Vertebrate Body. 155:In humans and other 141:cranial neural crest 221:The endocranium in 163:as a cartilaginous 91:comparative anatomy 497:Vertebrate anatomy 301: 276:basioccipital bone 204:, surrounding the 473:978-0-471-38461-8 317:lower vertebrates 272:exoccipital bones 261:bones above each 193:, containing the 161:fetal development 145:fetal development 93:is a part of the 83: 82: 78: 504: 476: 456: 450: 439: 433: 423: 414: 411: 395:Splanchnocranium 227:land vertebrates 75:edit on Wikidata 72: 38: 26: 25: 512: 511: 507: 506: 505: 503: 502: 501: 482: 481: 480: 479: 457: 453: 440: 436: 424: 417: 412: 408: 403: 386: 351: 345: 289: 264:fenestra ovalis 247:labyrinthodonts 219: 214: 153: 119: 79: 41: 24: 17: 12: 11: 5: 510: 500: 499: 494: 478: 477: 451: 434: 415: 405: 404: 402: 399: 398: 397: 392: 390:Dermatocranium 385: 382: 347:Main article: 344: 341: 333:chondrocranium 325:Chondrichthyes 288: 285: 284: 283: 280:foramen magnum 268: 231:occipital bone 218: 215: 213: 210: 209: 208: 206:foramen magnum 202:occipital bone 198: 187: 180: 152: 149: 133:cranial nerves 124:foramen magnum 118: 115: 81: 80: 71: 65: 64: 59: 53: 52: 48: 47: 43: 42: 39: 31: 30: 15: 9: 6: 4: 3: 2: 509: 498: 495: 493: 492:Human anatomy 490: 489: 487: 474: 470: 466: 465: 461: 460:Colbert, E.H. 455: 448: 447:0-697-24378-8 444: 438: 431: 427: 422: 420: 410: 406: 396: 393: 391: 388: 387: 381: 379: 374: 372: 368: 364: 360: 356: 350: 343:Fossilization 340: 338: 334: 330: 326: 322: 318: 314: 313:roofing parts 310: 306: 298: 293: 281: 277: 273: 269: 266: 265: 260: 256: 252: 251: 250: 248: 244: 240: 236: 232: 229:, though the 228: 224: 212:Other animals 207: 203: 199: 196: 192: 188: 185: 184:sphenoid bone 181: 178: 174: 173: 172: 170: 166: 162: 158: 148: 146: 142: 138: 134: 130: 126: 125: 114: 112: 111:human anatomy 108: 104: 100: 96: 92: 88: 76: 70: 66: 63: 60: 58: 54: 49: 44: 37: 32: 27: 22: 458: 454: 437: 429: 409: 378:Homo sapiens 377: 375: 359:neurocranium 352: 337:Osteichthyes 302: 279: 262: 220: 205: 200:Most of the 165:neurocranium 154: 122: 120: 86: 84: 61: 129:spinal cord 99:vertebrates 87:endocranium 62:endocranium 51:Identifiers 29:Endocranium 486:Categories 426:Romer, A.S 401:References 367:fossilized 335:. In most 329:skull roof 278:below the 259:opisthotic 243:amphibians 197:structures 107:dura mater 95:skull base 321:Agnathans 195:inner ear 117:Structure 384:See also 349:Endocast 309:reptiles 239:reptiles 169:primates 21:Endocast 270:Paired 255:prootic 253:Paired 223:mammals 189:Paired 177:ethmoid 157:mammals 143:during 103:cranium 46:Details 471:  445:  363:skull 355:brain 319:. In 305:birds 297:perch 235:birds 73:[ 57:Latin 469:ISBN 443:ISBN 323:and 307:and 257:and 237:and 182:The 175:The 85:The 109:in 97:in 89:in 488:: 418:^ 147:. 113:. 475:. 449:. 299:. 77:] 23:.

Index

Endocast

Latin
Anatomical terms of bone
edit on Wikidata
comparative anatomy
skull base
vertebrates
cranium
dura mater
human anatomy
foramen magnum
spinal cord
cranial nerves
external nasal nerves
cranial neural crest
fetal development
mammals
fetal development
neurocranium
primates
ethmoid
sphenoid bone
petrous part of the temporal bones
inner ear
occipital bone
mammals
land vertebrates
occipital bone
birds

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