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97 results for “Caecum”
FIGURE 5. Caecum diminutum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 5. Caecum diminutum. A. Conceptual reconstruction of growth stages (three forms). B. Species distribution map.
FIGURE 27. Caecum elongatum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 27. Caecum elongatum. A. Profile view with periostracum (SBMNH 214991). B. Profile view without periostracum (SBMNH 214991). C. Ventral view, adult stage (SBMNH 214991). D. Close-up of sculpture (SBMNH 214991). E. Operculum, exterior surface (SBMNH 452414). F. Operculum, interior surface (SBMNH 452414). G. Ventral view, late subadult stage (SBMNH 452414). H. Syntype, NHMUK 1857.6.4.1525. I. C. subimpressum, syntype, NHMUK 1857.6.4.1527.
FIGURE 3. Caecum diminutum. A–C in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 3. Caecum diminutum. A–C. Profile views depicting color variations (SBMNH 619893). D–E. Close up of sculpture variations (SBMNH 619893). F. Ventral view (holotype, MCZ 186574). G. Operculum, exterior surface (SBMNH 620188). H. Operculum, interior surface (SBMNH 619893). I. Holotype, MCZ 186574. J. C. farcimen, syntype, NHMUK 1857.6.4.1544. K. C. impartitum var. bicolor, syntype, MNHN-IM-2000-4600. L. C. taeniatum, syntype, MNHN-IM-2000-3115.
FIGURE 39. Caecum quadratum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 39. Caecum quadratum. A. Profile view (LACM 1971-98.36). B. Ventral view (LACM 1969-29.57). C. Operculum, exterior surface (LACM 1971-98.36). D. Operculum, interior surface (LACM 1971-98.36). E. Syntype, NHMUK 1857.6.4.1529. F. C. compactum syntype, NHMUK 1857.6.4.1530. G. C. dalli, holotype USNM 340724.
FIGURE 9. Caecum laeve. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 9. Caecum laeve. A. Profile view with periostracum (SBMNH 620845). B–C. Profile views without periostracum depicting color variations (SBMNH 620618). D. Ventral view (LACM 1965-28.33). E. Operculum, exterior surface (LACM 1965- 28.33). F. Operculum, interior surface (LACM 1965-28.33). G. Holotype, MCZ 186581. H. C. farcimen, syntype, NHMUK 1857.6.4.1545. I. C. imperfectum, holotype, MNHN-IM-2000-4598.
FIGURE 30. Caecum glabriforme. A–B in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 30. Caecum glabriforme. A–B. Profile views depicting variations (SBMNH 619695). C. Ventral view (LACM 1968- 14.28). D. Neotype SBMNH 619875. E. Syntype NHMUK 1857.6.4.1546. F. Operculum, exterior surface (LACM 1973-56.5). G. Illustration of C. glabriforme from Brann (1966). H. C. "glabriforme", "syntype", USNM 716048.
FIGURE 21. Caecum corrugulatum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 21. Caecum corrugulatum. A. Profile view (JL collection, UF350241). B. Holotype, NHMUK 1857.6.4.1547. C. Illustration of C. corrugulatum from Brann (1966). D. C. corrugulatum, "paralectotype", USNM 716049.
FIGURE 26. Caecum dextroversum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 26. Caecum dextroversum. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 15. Caecum parvum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 15. Caecum parvum. A. Profile view with periostracum (LACM 1972-38.32). B. Profile view without periostracum (LACM 1972-38.32). C. Ventral view (SBMNH 452423). D. Operculum, exterior surface (SBMNH 452423). E. Operculum, interior surface (SBMNH 452423). F. Holotype, MCZ 186586. G. C. undatum, syntype, NHMUK 1857.6.4.1533.
FIGURE 29. Caecum elongatum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 29. Caecum elongatum. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 33. Caecum heptagonum. A–C in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 33. Caecum heptagonum. A–C. Profile views depicting sculpture variations (LACM 1976-7.15). D. Ventral view (SBMNH 452511). E. Holotype, NHMUK 1857.6.4.1524. F. Operculum, exterior surface (SBMNH 452511). G. Operculum, interior surface (SBMNH 452511).
FIGURE 32. Caecum glabriforme. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 32. Caecum glabriforme. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 18. Caecum clathratum. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 18. Caecum clathratum. A. Profile view with periostracum (LACM 1973-7.45). B. Profile view without periostracum (LACM 1973-7.45). C. Profile view of subadult without periostracum (LACM 1965-25.57). D. Ventral view (LACM 1967- 15.16). E. Operculum, exterior surface (LACM 1965-16.97). F. Operculum, interior surface (LACM 1967-15.16). G. Syntype NHMUK 1857.6.4.1528. H. C. bahiahondaense, holotype, CAS 708. I. C. erucatum, syntype, MNHN-IM-2000-4601. J. C. interruptum, holotype, MNHN-IM-2000-4597.
FIGURES 11–18. Trichuris germani n in Nematodes from the caecum and colon of Pogonomys (Muridae: Anisomyini) from Papua New Guinea with the descriptions of a new genus of Oxyuridae (Nematoda: Oxyurida) and a new species of Trichuridae (Nematoda: Enoplida)
FIGURES 11–18. Trichuris germani n. sp. Male 11. Reproductive system; 12. Oesophago-intestinal junction; 13. Spines on surface of spicule sheath; 14. Junction between seminal vesicle and vas deferens; 15. Junction between vas deferens and cloacal tube; 16. Posterior end, showing spicule and spicule sheath not extended; 17. Posterior end, showing spicule and spicule sheath extended; 18. Posterior tip, showing papillae. Abbreviations: cl= cloacal tube; int= intestine; oe= oesophagus; p= papilla; sp= spicule; sp p= spicule pouch; ss= spicule sheath; sv= seminal vesicle; vd= vas deferens. Scale bars: 11, 300µm; 12, 17, 200µm; 13, 25µm; 14, 15, 16, 100µm; 18, 50µm.
FIGURES 1–10. Pogonomicola rugala n. gen., n in Nematodes from the caecum and colon of Pogonomys (Muridae: Anisomyini) from Papua New Guinea with the descriptions of a new genus of Oxyuridae (Nematoda: Oxyurida) and a new species of Trichuridae (Nematoda: Enoplida)
FIGURES 1–10. Pogonomicola rugala n. gen., n. sp. 1. Adult male, lateral view, arrow indicating weakly defined mamelon; 2. Cervical end, female, showing longitudinally folded cervical alae; 3. Cephalic plate, female; 4. Anterior end, female; 5. Cervical ala, female, transverse section at level of base of oesophagus; 6. Cervical alae, transverse sections, female 1, showing variable nature of folding; 7. Vulva, lateral view; 8. Cervical alae, transverse sections, female 2, showing variable nature of folding; 9. Egg; 10. Posterior end, female. Scale bars: 1, 2, 10, 100µm; 3, 5, 8, 9, 25µm; 4, 200µm; 6, 7, 50µm.
FIGURES 19–24. Trichuris germani n in Nematodes from the caecum and colon of Pogonomys (Muridae: Anisomyini) from Papua New Guinea with the descriptions of a new genus of Oxyuridae (Nematoda: Oxyurida) and a new species of Trichuridae (Nematoda: Enoplida)
FIGURES 19–24. Trichuris germani n. sp. Female 19. Anterior end; 20. Egg; 21. Vagina, lateral view; 22. Posterior end; 23. Stichosome; 24. Vulva. Abbreviations: ov= ovary; ut= uterus. Scale bars: 19, 22, 100µm; 20, 24, 50µm; 21, 500µm.
Fig. 4 in Rediscovery of an internal organ in heart urchins (Echinoidea: Spatangoida): morphology and evolution of the intestinal caecum
Fig. 4 Homology of selected accessory structures associated with the digestive tract of heart urchins (Echinoidea: Spatangoida). a Dissected specimen of Brisaster latifrons (left) and schematic drawing of the general digestive tract morphology found within all species of the genera Brisaster and Tripylaster, as well as some species of the genus Abatus (right). b Dissected specimen of Heterobrissus niasicus (left) and
Fig. 3 in Rediscovery of an internal organ in heart urchins (Echinoidea: Spatangoida): morphology and evolution of the intestinal caecum
Fig. 3 Absence and presence of the intestinal caecum in selected paleopneustine heart urchins (Spatangoida: Paleopneustina). Aboral views of partially dissected specimens. Ambulacrum III facing upwards. a–c Representatives of three outgroup taxa, i.e., Prenasteridae (a),
FIGURE 2 in Caecum wakense: a new Caecidae (Gastropoda: Caenogastropoda) from Wake Atoll (Pacific Ocean)
FIGURE 2. Conceptual reconstruction of growth stages of Caecum wakense sp. nov.: A. Protoconch to teleoconch IV. B. Surface of teleoconchs I and II. C. Surface of teleoconchs III and IV. White dots indicate transition points.
Data from: Expression of taste signal transduction molecules in the caecum of common marmosets
The extraoral presence of taste signal transduction proteins has recently been reported in rodents and humans. Here, we report for the first time the presence of these signal transduction proteins in the caecum of a non-human primate, the common marmoset. Quantitative RT-PCR data on the gene expression of taste signal transduction molecules (gustducin and TRPM5) in common marmosets suggested high expression in the caecum, which was not observed in other non-human primates. Immunohistochemical analysis confirmed the specific presence of gustducin and taste receptors in marmoset caecal cells. These results may relate to the specific feeding behaviour of marmosets, which consume plant exudates, primarily gums.
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