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1,053 results for “Computed Tomography”
Figure 15 from: Jochum A, Weigand AM, Bochud E, Inäbnit T, Dörge DD, Ruthensteiner B, Favre A, Martels G, Kampschulte M (2017) Three new species of Carychium O.F. Müller, 1773 from the Southeastern USA, Belize and Panama are described using computer tomography (CT) (Eupulmonata, Ellobioidea, Carychiidae). ZooKeys 675: 97-127. https://doi.org/10.3897/zookeys.675.12453
Figure 15 - Evolutionary Lineage (EL) C12 (Weigand et al. 2013). A–I Panamanian snails before sequence procedures. Scale bar 1 mm.
Figure 1 from: Jochum A, Weigand AM, Bochud E, Inäbnit T, Dörge DD, Ruthensteiner B, Favre A, Martels G, Kampschulte M (2017) Three new species of Carychium O.F. Müller, 1773 from the Southeastern USA, Belize and Panama are described using computer tomography (CT) (Eupulmonata, Ellobioidea, Carychiidae). ZooKeys 675: 97-127. https://doi.org/10.3897/zookeys.675.12453
Figure 1 - Map indicating geographic position of the new Carychium species and type localities of the North American and Central American allied species C. mexicanum, C. costaricanum, and C. floridanum. Carychium jardineanum is included in context for Jamaica. The grayscale indicates the local mean elevation. This map was downloaded from WORLDCLIM (Hijmans et al. 2005) and political borders were retrieved from Esri Data and Maps (2002).
Figure 11 from: Jochum A, Weigand AM, Bochud E, Inäbnit T, Dörge DD, Ruthensteiner B, Favre A, Martels G, Kampschulte M (2017) Three new species of Carychium O.F. Müller, 1773 from the Southeastern USA, Belize and Panama are described using computer tomography (CT) (Eupulmonata, Ellobioidea, Carychiidae). ZooKeys 675: 97-127. https://doi.org/10.3897/zookeys.675.12453
Figure 11 - Carychium belizeense sp. n. A–F holotype (NMBE 549923/1) G–L paratype shell (NMBE 549924/8) A, I prominent parietal denticle and parieto-columellar callus. Scale bar 1 mm.
Figure 6 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 6 - SEM (A), µCT surface rendering (B, C) and 2D section (D–O) images of the isolated vertebral ossicles of Asteronyx loveni (NSMT E-5638). A, B basal view, arrow heads indicate oral groove C oral view D–O transverse vertical sections from basal (D) to distal (O) arm, basal view. Arrow heads indicate radial water canals (D–I) and radial nerve canals (K–O). Arrows indicate the orientations (ab, aboral; ba, basal; dis, distal; or, oral). Abbreviations: RNC, pore of radial nerve canal; RWC, pore of radial water canal.
Figure 5 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 5 - Micro CT surface rendered (A) and 2D section (B–G) images of the basal part of arm (7–13th arm segments) of Asteronyx loveni (NSMT E-5638). A basal lateral view. Section planes of figures B–G are shown by dotted tetragons B vertical longitudinal section, adradial side of the arm C, D horizontal longitudinal section, aboral view C is set on more aboral side than D horizontal longitudinal section, oral view E–G transverse vertical sections from basal (E) to distal (G) arm, basal view. Vertebrae, lateral arm plates, arm spines and muscles are colored red, blue, yellow and purple, respectively. Red and blue arrow heads (B–G) indicate radial nerve canals and radial water canals, respectively. Arrows indicate the orientations (ab, aboral; ba, basal; dis, distal; or, oral). Abbreviations: E, epidermis; EO, external ossicle.
Figure 4 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 4 - Microscopic (A), µCT volume rendered (B) and surface rendered (C, D) images of basal part of arm (7–13th arm segments) of Asteronyx loveni (NSMT E-5638). Oral view. Upper and lower sides indicate distal and basal orientation, respectively. Oral side is virtually dissected in D Inter-vertebral muscles are colored purple in D Black arrow heads in B and D indicate identical vertebra, and ST and AS labels also indicates the identical characters in A, B and C. Abbreviations: ASP, arm spine; LAP, lateral arm plate; ST, secondary teeth.
Figure 3 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 3 - Micro CT surface rendered (A) and 2D section (B–D) images of the entire body of Asteronyx loveni (NSMT E-6986). A oral view, section planes of figures B–D are shown by dotted tetragons B disc and basal part of an arm, horizontal section, a white arrow head indicates vertical crack of a dental plate, a black arrow head indicates the indistinct border of a 1st vertebrae and an oral plate C disc and basal part of an arm, vertical section of central disc D disc and basal part of an arm, vertical section of abradial disc. Abbreviations: AMD, adradial muscular depression; ABG, abradial plate; ADG, adradial plate; ASH, adoral shield; DP, dental plate; ES, external skin; LAP, lateral arm plate; OPL, oral plate; RNC, radial nerve canal; RS, radial shield; RWC, radial water canal; S, stomach; TO, tooth; V, vertebra; VAP, ventral arm plate.
Figure 1 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 1 - Microscopic (A, D, G), µCT volume rendered (B) and µCT surface rendered (C, E, F, H) images of the entire body of Asteronyx loveni (NSMT E-6986). A–C whole animal, oral view. Black arrow heads indicate longitudinal dorsal midlines of vertebrae and white arrows indicate external ossicles embedded in skin D, E whole animal, aboral view F mouth frame, virtually dissecting aboral view, peristomial plates are colored green G, H disc, aboral view. White arrow heads indicate external ossicles and black arrows indicate positions where components of plate shaped ossicles of the radial shields are layered. Oral side of bodies were virtually dissected (H). Abbreviations: RS, radial shields; V, vertebra.
Figure 2 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure 2 - Microscopic (A, C, E) and µCT surface rendered (B, D, F) images of the entire body of Asteronyx loveni (NSMT E-6986). A, B a part of disc, oral lateral view C, D basal part of an arm, oral lateral view E oral disc, oral view. An arrow in E indicates the orientation of observation of F; F two jaws, lateral view. The other jaws are virtually dissected. Parallel teeth are indicated by numeral with apostrophe or double apostrophe. Abbreviations: ABG, abradial plate; ADG, adradial plate; ASH, adoral shield; ASP, arm spine; GSL, genital slit; LAP, lateral arm plate; M, madreporite; OPA, oral papilla; OPL, oral plate; RS, radial shield; TC, tentacle; TO, tooth; TP, tentacle pore; V, vertebra; VAP, ventral arm plate.
Figure 1-4 from: Michalik P, Ramirez M (2013) First description of the male of Thaida chepu Platnick, 1987 (Araneae, Austrochilidae) with micro-computed tomography of the palpal organ. ZooKeys 352: 117-125. https://doi.org/10.3897/zookeys.352.6021
Figure 1-4 - Habitat (1), web (2) and somatic characters (frontal (3) and dorsal (4) view of prosoma) of Thaida chepu.
Figure 5-10 from: Michalik P, Ramirez M (2013) First description of the male of Thaida chepu Platnick, 1987 (Araneae, Austrochilidae) with micro-computed tomography of the palpal organ. ZooKeys 352: 117-125. https://doi.org/10.3897/zookeys.352.6021
Figure 5-10 - Left male palp of Thaida chepu. 5–7 extended focal plane images of male palp in prolateral (5), ventral (6) and retrolateral (7) view 8–10 surface model of the spermophor superimposed on the volume rendering of the male palp to illustrate dimension and shape of the spermophor. The views correspond to Figs 5–7. The cymbium, subtegulum and tegulum are (partly) removed in Fig. 8 to show tendons and muscles. The arrows point to the opening of the embolus.
Figure 11 from: Michalik P, Ramirez M (2013) First description of the male of Thaida chepu Platnick, 1987 (Araneae, Austrochilidae) with micro-computed tomography of the palpal organ. ZooKeys 352: 117-125. https://doi.org/10.3897/zookeys.352.6021
Figure 11 - Series of virtual cross sections through the left male palp of Thaida chepu showing the course of the two tendons.
Figure 1 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 1 - Lumbrineris latreilli, a false-colour volume rendering of the anterior region, dorso-lateral view, specimen partly covered by a thin film of ethanol b surface model of the vascular system (yellow) and brain (purple) superimposed on volume rendering of the worm, dorso-anterior view c false-colour, semi-transparent volume rendering of the anterior region, dorsal view d volume rendering of virtually dissected anterior region, lateral view.
Figure 10 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 10 - Phyllodoce lineata, a false-colour volume rendering of anterior region, dorso-lateral viewb false-colour volume rendering of virtually dissected distal end of partly everted pharynx, focusing on terminal pharyngeal papillae, anterior view c transaxial cross section at eye level d volume rendering of virtually dissected anterior region showing the brain, dorso-posterior view e same, in stereo view (3D effect is revealed when viewed with red-cyan glasses).
Figure 11 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 11 - a Phyllodoce lineata, volume rendering of a anterior end, virtually dissected behind prostomial region, posterior view b Phyllodoce sp., volume rendering of virtually dissected pharynx, dorsal view c Phyllodoce sp., virtual dissection of distal pharyngeal subdivision with large papillae, anterior view d Phyllodoce sp., virtual dissection of proximal pharyngeal subdivision with small papillae, antero-lateral view.
Figure 12 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 12 - Syllis gracilis, false-colour volume rendering of a anterior region, anterior view b anterior region virtually dissected at pharyngeal level, posterior view c virtually dissected anterior region showing the brain, anterior view d virtually dissected region in front of proventricle, dorsal view; e) mid-body parapodia, posterior-lateral view.
Figure 15 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 15 - Hermodice carunculata, false-colour volume rendering of a anterior region, antero-dorsal view b virtually dissected anterior end showing pharyngeal structures, lateral view c virtually dissected anterior end, lateral view d virtually dissected anterior end at level of mouth opening, anterior view.
Figure 9 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 9 - Alitta succinea, a normal view and b stereo view of volume-rendering of anterior region, lateral view (3D effect is revealed when viewed with red-cyan glasses) c coronal cross section of anterior region depicting areas of insufficient tissue staining with PTA. Black areas in pharyngeal region remained unstained and information is lost d dorsal view and e posterior-lateral view of false-colour volume rendering of virtually dissected anterior region f volume rendering of anterior region, dorsal view.
Figure 4 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 4 - Lumbrineris latreilli, volume rendering of a anterior regionwith maxillary apparatus superimposed as a surface model, dorsal view b virtually dissected jaw apparatus, ventral view with mandibles partly removed c same, dorsal view.
Figure 5 from: Faulwetter S, Vasileiadou A, Kouratoras M, Dailianis T, Arvanitidis C (2013) Micro-computed tomography: Introducing new dimensions to taxonomy. ZooKeys 263: 1-45. https://doi.org/10.3897/zookeys.263.4261
Figure 5 - Eunice sp., false-colour volume renderings (colours indicate relative densities: blue: low, green: medium, red: high) of a iodine-stained specimen, ventral view b PTA-stained specimen, ventral view c false-colour volume rendering of virtually dissected maxillary apparatus (iodine-stained individual), dorso-lateral view.
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