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513 results for “southern Mexico”
FIGURE 22 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 22. Internal anatomy of Alicia beebei Carlgren, 1940. A) Longitudinal section of the distal column. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Cross section of column showing gametogenic tissue. D) Cross section through a tentacle showing ectodermal longitudinal musculature. E) Detail of a cross section of the column showing compound vesicle and cnidae. F) Detail of a cross section of column showing parietobasilar muscles. G) Longitudinal section of proximal end showing basilar muscles. H) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. Basilar muscles (Ba), Capitulum (C), Cnidae (Cn), Ectoderm (Ec), Endoderm (En), Mesoglea (Me), Oral disc (Od), Parietal muscles (Pa), Retractor muscles (Re), Siphonoglyphs (arrows), Vesicle (V), Tentacle (Te). Scale bars: A, C–H, 0.1 mm; B, 0.5 mm.
FIGURE 20 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 20. Cnidae of Phymactis papillosa (Lesson, 1830). A, C, E, F, G, I) Basitrichs. D) Holotrich. J) b-mastigophore. H, K) p-mastigophores A. L) p-mastigophore B1. B) Spirocyst.
FIGURE 21 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 21. External anatomy of Alicia beebei Carlgren, 1940. A) Lateral view of preserved specimen. B) Oral view of living specimen. C) Oral view of living specimen showing vesicles. D–E) Detail of lateral view of living specimen showing simple and compound vesicles, respectively. F) Detail of the tentacle showing small rounded protuberances. Capitulum (C), Scapus (S), Vesicle (V). Scale bars: 5 mm.
FIGURE 18 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 18. External anatomy of Phymactis papillosa (Lesson, 1830). A) Lateral view of preserved specimen. B) Detail of acrorhagi. C) Oral view of living specimen. D) lateral view of living specimen. E) Oral view of living specimen. F) Aboral view of living specimen. Acrorhagi (Ac), Pedal disc (Pd), Vesicle (V). Scale bars: 5 mm.
FIGURE 19 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 19. Internal anatomy of Phymactis papillosa (Lesson, 1830). A) Longitudinal section of the distal column. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Detail of a cross section of column showing parietobasilar muscles. D) Cross section through a tentacle showing ectodermal longitudinal musculature. E) Detail of a longitudinal section of the column showing acrorhagi and marginal sphincter muscle. F) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. G) Longitudinal section of proximal end showing basilar muscles. Acrorhagi (Ac), Basilar muscles (Ba), Ectoderm (Ec), Endoderm (En), Fosse (Fo), Mesoglea (Me), Parietobasilar muscles (Pa), Retractor muscles (Re), Siphonoglyphs (arrows), Sphincter (Sp), Vesicle (V), Tentacle (Te). Scale bars: A, C–G, 0.1 mm; B, 0.5 mm.
FIGURE 17 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 17. Cnidae of Phialoba steinbecki Carlgren, 1951. A, D, E, F, H, I) Basitrichs. C, G, J) p-mastigophores A. B) Spirocyst.
FIGURE 16 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 16. Internal anatomy of Phialoba steinbecki Carlgren, 1951. A) Longitudinal section of the distal column. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Cross section through a tentacle showing ectodermal longitudinal musculature. D) Cross section of column showing gametogenic tissue. E) Longitudinal section of proximal end showing basilar muscles. F) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. Basilar muscles (Ba), Ectoderm (Ec), Endoderm (En), Mesoglea (Me), Oocytes (O), Parietobasilar muscles (Pa), Retractor muscles (Re), Siphonoglyphs (arrows), Tentacle (Te). Scale bars: A, C–F, 0.1 mm; B, 0.5 mm.
FIGURE 15 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 15. External anatomy of Phialoba steinbecki Carlgren, 1951. A) Lateral view of preserved specimen. B) Oral view of living specimen. C) Detail of small projection in distal column (black circle). D) Detail of small rounded protuberance in oral disc (black circle). E–F) Oral view of specimens in vivo, showing the small rounded protuberances in oral disc (circles). Oral disc (Od), Margin (Ma). Scale bars: 5 mm.
FIGURE 14 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 14. Cnidae of Isoaulactinia hespervolita Daly, 2004. A, B, D, F, G, H, L, M, O, P) Basitrichs. I) Holotrich. J) p- mastigophore A with looped basal tubule. Q) b-mastigophore. E, K, N, R) p-mastigophores A. S) p-mastigophore B2a. C) Spirocyst.
FIGURE 12 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 12. External anatomy of Isoaulactinia hespervolita Daly, 2004. A) Lateral view of preserved specimen. B–C) Detail of pseudoacrorhagi with and without nipple-like structure, respectively. D–E) Oral view of living specimen showing marked and unmarked tentacles. F) Detail of tentacles showing a bifurcate tip. Bifurcation (B), Margin (Ma), Nipple-like structure (N), Oral disc (Od), Pseudoacrorhagi (P), Verrucae (Ve). Scale bars: 5 mm.
FIGURE 11 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 11. Cnidae of Bunodosoma grande (Verrill, 1869). A, B, E, F, G, H, J, K) Basitrichs. D) Holotrichs. L) b- mastigophore. I, M) p-mastigophore A. N) p-mastigophore B1. C) Spirocyst.
FIGURE 10 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 10. Internal anatomy of Bunodosoma grande (Verrill, 1869). A) Longitudinal section of the distal column. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Cross section through a tentacle showing ectodermal longitudinal musculature. D) Longitudinal section of proximal end showing basilar muscles. E) Cross section of column showing gametogenic tissue. F) Cross section of column showing parietobasilar muscles. G) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. Acrorhagi (Ac), Basilar muscles (Ba), Ectoderm (Ec), Endoderm (En), Fosse (Fo), Marginal projections (Mp), Mesoglea (Me), Oocytes (O) Parietobasilar muscles (Pa), Retractor muscles (Re), Siphonoglyphs (arrows), Sphincter (Sp), Vesicle (V). Scale bars: A, C–F, 0.1 mm; B, 0.5 mm.
FIGURE 8 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 8. Cnidae of Bunodosoma californicum. A, D, E, F, G, I, J) Basitrichs. C) Holotrichs. K) b-mastigophore. H, L) p- mastigophores A. M) p-mastigophore B1. B) Spirocyst.
FIGURE 3 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 3. External anatomy of Anthopleura dowii Verrill, 1869. A–D) Oral view of living specimen. E) Detail of acrorhagi. F) Detail of tentacles. Acrorhagi (Ac), Oral disc (Od), Verrucae (Ve).
FIGURE 7 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 7. Internal anatomy of Bunodosoma californicum Carlgren, 1951. A) Longitudinal section of the distal column. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Detail of a longitudinal section of the column showing acrorhagi. D) Longitudinal section of proximal end showing basilar muscles. E) Cross section through a tentacle showing ectodermal longitudinal musculature. F) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. Acrorhagi (Ac), Basilar muscles (Ba), Ectoderm (Ec), Endoderm (En), Fosse (Fo), Marginal projections (Mp), Mesoglea (Me), Parietobasilar muscles (Pa), Retractor muscles (Re), Siphonoglyphs (arrows), Sphincter (Sp), Vesicle (V). Scale bars: A, C–F, 0.1 mm; B, 0.5 mm.
FIGURE 4 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 4. Internal anatomy of Anthopleura dowii Verrill, 1869. A) Longitudinal section of the distal column showing marginal sphincter muscle and column specializations. B) Cross section of the column at the level of the actinopharynx showing the cycles of mesenteries (cycles marked by numbers). C) Cross section of column showing gametogenic tissue. D) Longitudinal section of proximal end showing basilar muscles. E) Detail of a cross section of the gametogenic tissue. F) Detail of a cross section of the column at the level of the actinopharynx showing the retractor and parietobasilar muscles. Acrorhagi (Ac), Basilar muscles (Ba), Fosse (Fo), Marginal projections (Mp), Parietobasilar muscles (Pa), Peduncle (Pe), Retractor muscles (Re). Siphonoglyphs (arrow). Spermatic cyst (Sc), Sphincter (Sp), Tentacle (Te), Verrucae (Ve). Scale bars: A, C–F, 0.1 mm; B, 0.5 mm.
FIGURE 2 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 2. Living specimens of A) Anthopleura dowii. B) Bunodosoma californicum. C) Bunodosoma grande. D) Isoaulactinia hespervolita. E) Phymactis papillosa. F) Phialoba steinbecki. G) Alicia beebei. H) Calliactis polypus.
FIGURE 9 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 9. External anatomy of Bunodosoma grande (Verrill, 1869). A–B) Lateral view of preserved and living specimen, respectively. C) Oral view of living specimen. D) Detail of acrorhagi. E) Specimen in situ. Acrorhagi (Ac), Oral disc (Od), Vesicle (V). Scale bar: 5 mm.
FIGURE 1 in First inventory of sea anemones (Cnidaria: Actiniaria) from La Paz Bay, southern Gulf of California (Mexico)
FIGURE 1. Map of the localities where studied species were collected. Numbers correspond with sampling localities in Table 2.
FIGURE 4 in More new Diplotrema earthworm species from southern Mexico (Annelida, Crassiclitellata, Acanthodrilidae, Acanthodrilinae)
FIGURE 4. Diplotrema oaxacana sp. nov., holotype IEOL 3103. A. Stacked right genital seta a from segment 8, scale 50 µm. B. Stacked penial seta b from segment 19, scale 200 µm; also observed a reserve immature penial seta. C. Apex of same penial seta 19b, scale 50 µm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.