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62 results for “gut anatomy”
Figure 19 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 19. Midgut evolution of cerithioideans. Bayesian topology for the combined morphological plus molecular data sets (16S and 28S) (Strong et al., in press; figs 7b, 10). *Nodes shared with topology based on morphological characters alone; the grey arrow indicates a node (uniting Groups 2 and 3) that appears in the morphological phylogeny, with the exception of Scaliolidae. The optimization of 28 midgut characters is shown using ACCTRAN optimization. Characters in bold represent changes shared with the morphology topology. Black hashmarks indicate forward changes; white hashmarks indicate homoplasies. Partitioned Bremer support for other morphological characters (above) and for midgut characters (below) for nodes shared with the combined morphological plus molecular parsimony topology are indicated at the nodes on the left; posterior probabilities are indicated at the nodes on the right. Three main assemblages are numbered. White arrows indicate families resolved as non-monophyletic.
Figure 16 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 16. Midgut anatomy of Pleuroceridae (A) and Semisulcospiridae (B). A, Elimia virginica (USNM 1143353). B, Semisulcospira libertina (ZMB 102.184). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 3 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 3. Midgut anatomy of Batillariidae. A, Pyrazus ebeninus (USNM 828830). B, Velacumantus australis (USNM 1083383). Scale bars: 1 mm; refer to the text for a list of anatomical abbreviations.
Figure 7 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 7. Midgut anatomy of Litiopidae. A, Alaba monile (USNM 858584). B, Alaba opiniosa (USNM 1084214). C, Litiopa melanostoma (USNM 1143355). D, Styliferina translucida (USNM 1084087). Scale bars: 0.5 mm; refer to the text for a list of anatomical abbreviations.
Figure 8 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 8. Midgut anatomy of Modulidae. Modulus modulus (USNM 1143356). Scale bar: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 6 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 6. Midgut anatomy of Dialidae (A) and Diastomatidae (B). A, Diala sulcifera scobina (USNM 1083788). Scale bar: 0.5 mm. B, Diastoma melanioides (USNM 801614). Scale bar: 1.0 mm. Refer to the text for a list of anatomical abbreviations.
Figure 11 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 11. Midgut anatomy of Siliquariidae (A) and Turritellidae (B, C). A, Tenagodus squamatus (USNM 801714). B, Turritella communis (SMF). C, Maoricolpus roseus (ZMB 102.962). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 18 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 18. Midgut evolution of cerithioideans. Strict consensus of 122 equally parsimonious trees, tree length, L = 766 steps, consistency index, CI = 0.31, retention index, RI = 0.65, resulting from parsimony analysis of 151 morphological characters for 56 taxa (47 ingroup, nine outgroup taxa) (Strong et al., in press; fig. 4); six nodes collapse in the strict consensus. Optimization of 28 midgut characters is shown using ACCTRAN optimization. Black hashmarks indicate forward changes, white hashmarks indicate homoplasies. Jackknife values are indicated at the nodes on the right; Bremer support (above) and parititioned Bremer support for midgut characters (below) are indicated at the nodes on the left. Three main assemblages are numbered. White arrows indicate families resolved as non-monophyletic.
Figure 2 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 2. Midgut anatomy of Plesiotrochidae. Plesiotrochus unicinctus (USNM 1083784). Scale bar: 0.5 mm; refer to the text for a list of anatomical abbreviations.
Figure 1 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 1. Generalized cerithioidean midgut anatomy; refer to the text for a list of anatomical abbreviations.
Figure 5 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 5. Midgut anatomy of Cerithiidae. A, Cerithium vulgatum (USNM 1143352). B, Cerithium nodulosum (ZMB 107.141). Scale bars: 1 mm; refer to the text for a list of anatomical abbreviations.
Figure 10 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 10. Midgut anatomy of Potamididae. A, Cerithidea scalariformis (USNM 1143351). B, Telescopium telescopium (USNM 828804). C, Terebralia semistriata (USNM 1083479). Note that a small accessory pad is present, but is not visible in this view. D, Tympanotonus fuscatus (USNM 858078). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 4 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 4. Midgut anatomy of Cerithiidae. A, Cerithidium fuscum (USNM 1084217). Scale bar: 0.5 mm. B, Bittiolum varium (USNM 1143345). Scale bar: 0.5 mm. C, Bittium reticulatum (USNM 858185). Scale bar: 0.5 mm. D, Cacozeliana granaria (USNM 1083787). Scale bar: 1 mm. E, Ittibittium parcum (USNM 857100). Scale bar: 0.5 mm. Refer to the text for a list of anatomical abbreviations.
Figure 14 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 14. Midgut anatomy of Pachychilidae. A, Tylomelania abendanoni (MNHN). B, Tylomelania palicolarum (MNHN). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
Figure 9 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 9. Midgut anatomy of Planaxidae. A, Fossarus ambiguus (USNM 857631). Scale bar: 0.5 mm. B, Planaxis sulcatus (USNM 1083482). Scale bar: 1.0 mm. Refer to the text for a list of anatomical abbreviations.
Figure 13 in More than a gut feeling: utility of midgut anatomy in phylogeny of the Cerithioidea (Mollusca: Caenogastropoda)
Figure 13. Midgut anatomy of Pachychilidae. A, Brotia pagodula (ZMH 3891). B, Faunus ater (USNM 1143354). C, Pachychilus indiorum (AM C.324125). D, Potadoma cf. freethi (MRAC 796831). Scale bars: 1.0 mm; refer to the text for a list of anatomical abbreviations.
FIGURE 1 in Comparative anatomy of the gut of the South American species of Amitermes, with description of two new species and an identification key based on soldiers and workers
FIGURE 1. Soldiers in dorsal and lateral views: Amitermes amicki (A, B) and A. amifer (C, D).
FIGURE 18 in Comparative anatomy of the gut of the South American species of Amitermes, with description of two new species and an identification key based on soldiers and workers
FIGURE 18. Enteric-valve armatures: Amitermes beaumonti (A) and A. excellens (B).
Fig. 11. Hoplotermes amplus P1 in Gut anatomy of the worker caste of Neotropical genera Cylindrotermes Holmgren and Hoplotermes Light (Infraorder Isoptera, Termitidae)
Fig. 11. Hoplotermes amplus P1 ornaments: (a) schematic drawing of P1 showing arrangement of spines, with b indicating robust spines in proximal region, and indicating sparse short spines laterally and distally; (b) detail of robust proximal spines; (c) detail of sparse short spines (MT, mesenteric tongue space).
Fig. 8 in Gut anatomy of the worker caste of Neotropical genera Cylindrotermes Holmgren and Hoplotermes Light (Infraorder Isoptera, Termitidae)
Fig. 8. Cylindrotermes parvignathus worker gut in situ: (a) dorsal, (b) right (arrow: enteric valve insertion), (c) ventral, and (d) left views, and (e) detail of mixed segment and Malpighian tubules insertion (arrow). Gray indicates mesenteric tissue; c: crop; M: mesenteron; MT: mesenteric tongue, i: isthmus, P1: first proctodeal segment (ileum); P3: third proctodeal segment (paunch); P4: fourth proctodeal segment (colon); P5: fifth proctodeal segment (rectum).
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OpenNeuro
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