File:Evolution-of-a-Novel-Muscle-Design-in-Sea-Urchins-(Echinodermata-Echinoidea)-pone.0037520.g001.jpg
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Evolution-of-a-Novel-Muscle-Design-in-Sea-Urchins-(Echinodermata-Echinoidea)-pone.0037520.g001.jpg (563 × 320 pixels, file size: 103 KB, MIME type: image/jpeg)
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DescriptionEvolution-of-a-Novel-Muscle-Design-in-Sea-Urchins-(Echinodermata-Echinoidea)-pone.0037520.g001.jpg |
English: (A) Virtual vertical section through a volume-rendered 3D model based on a μCT dataset with 27 µm isotropic voxel resolution. (B) Virtual horizontal section through a MRI dataset with 81 µm isotropic voxel resolution at the level of the retractor muscles. (C) Semi-schematic illustration of the main lantern muscles as well as the compass depressors (right-hand side) and their corresponding insertion sites on skeletal elements (left-hand side). Not to scale. (D) Virtual vertical section through a MRI dataset with 81 µm isotropic voxel resolution at the level of the central oral-aboral axis. The dotted line indicates the exterior septum that separates the peripharyngeal coelom from the perivisceral coelom. (E) Innervation of the protractor, postural, and retractor muscles. Adapted to P. lividus from results acquired by Boltt & Ewer [45] and Cobb & Laverack [33] on two closely related species, Parechinus angulosus and Echinus esculentus. Not to scale. (F) Virtual vertical section through a MRI dataset with a resolution of 50×50×200 µm at the level of the retractor muscles. In horizontal section, the protractor muscles appear as flat bands. al = Aristotle's lantern, am = ambulacrum, au = auricle, cc = central cavity, cd = compass depressor, ce = compass elevator muscle, co = compass, ec = exterior cavity, eg = esophagus, ep = epiphysis, es = exterior septum, ic = interradial cavity, im = interambulacrum, in = intestine, ip = interpyramidal muscle, nt = nerve trunk, pe = peristome, pg = perignathic girdle, ph = pharynx, pm = peristomial membrane, po = postural muscle, pp = peripharyngeal coelom, pr = protractor muscle, ps = perradial septum, pv = perivisceral coelom, py = pyramid, re = retractor muscle, ro = rotula, st = stomach, te = test, to = tooth, wv = water vessel. |
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Source | Image file from Ziegler A, Schröder L, Ogurreck M, Faber C, Stach T (2012). "Evolution of a Novel Muscle Design in Sea Urchins (Echinodermata: Echinoidea)". PLOS ONE. DOI:10.1371/journal.pone.0037520. PMID 22624043. PMC: 3356314. | |
Author | Ziegler A, Schröder L, Ogurreck M, Faber C, Stach T | |
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This file is licensed under the Creative Commons Attribution 3.0 Unported license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:42, 8 September 2014 | 563 × 320 (103 KB) | Recitation-bot | Automatic upload of media from: doi:10.1371/journal.pone.0037520 |
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Width | 2,481 px |
Height | 1,398 px |
Bits per component | 8 |
Number of components | 1 |
Horizontal resolution | 426.909 dpi |
Vertical resolution | 426.909 dpi |
Image width | 2,505 px |
Image height | 1,422 px |
Color space | sRGB |
Software used | Adobe Photoshop CS2 Windows |
Date and time of digitizing | 22:51, 14 May 2012 |
File change date and time | 22:51, 14 May 2012 |
Date metadata was last modified | 22:51, 14 May 2012 |
IIM version | 2 |