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569 results for “morphological comparison”
Fig. 2 in Histomorphological comparison of testes in species of box jellyfish (Cnidaria; Cubozoa): does morphology differ with mode of reproduction and fertilization?
Fig. 2 Morbakka virulenta from Okayama (Japan). a Live specimen (scale bar 10 cm) (Image courtesy of Sho Toshino). b Male gonad stained with periodic acid-Schiff + hematoxylin (PAS-H) (scale bar 50 μm). c Male gonad stained with Gomori's trichrome + hematoxylin (TG-H) (scale bar 20 μm). m mesoglea, nc nucleus, ncl nucle- olus, sg spermatogonia, sc spermatocyte, vl vacuole
Fig. 1 in Histomorphological comparison of testes in species of box jellyfish (Cnidaria; Cubozoa): does morphology differ with mode of reproduction and fertilization?
Fig. 1 Carybdea marsupialis male gonads from two different localities (Italy and Spain). a Live specimen from Spain (scale bar 2 cm) (Image courtesy of Eduardo Obis). b, c Male gonads from Italian specimen in cross-section stained with hematoxylin-eosin (HE). Material fixed in ethanol (scale bars 100 μm and 20 μm, respectively). d, f Male gonads from Spanish specimen in crosssection stained with Toluidine blue (TB), HE and Gomori's Trichrome + Hematoxylin (TGH), respectively (scale bars 50 μm, 50 μm and 20 μm, respectively). g gonad, m mesoglea, nc nucleus, p pedalia, ph phacellae, sc spermatocyte, sg spermatogonia, t tentacle, v velarium, vl vacuole
Fig. 3 in Histomorphological comparison of testes in species of box jellyfish (Cnidaria; Cubozoa): does morphology differ with mode of reproduction and fertilization?
Fig. 3 Tamoya haplonema male gonad from São Paulo State (Brazil). a Live specimen (scale bar 2,5 cm) (Image courtesy of Alvaro E. Migotto). b Male gonad in cross-section stained with hematoxylin-eosin (HE) (scale bar 50 μm). c Male gonad in cross-section stained with Toluidine blue (TB) (scale bar 20 μm). d Male gonad in cross-section stained with Periodic Acid-Schiff (PAS) (scale bar 20 μm). g gonad, m mesoglea, mb manubrium, nc nucleus, p pedalia, r rhopalia, sc spermatocyte, sg spermatogonia, t tentacle, v velarium, vl vacuole
FIGURE 16 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 16. Astropecten cingulatus adambulacral spination: A, Holotype. Actinal surface of arm including AD plates and IM plates. From Sladen (1889, Plate XXXIX 3). B, From Cerrera-Rodríguez & Tommasi (1977, Fig. 19D). Fr: fringe spines.
FIGURE 15 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 15. Distribution of Astropecten cingulatus and A. karankawai examined in this study. Specimen lots examined from CAS (A. cingulatus n=1), FWRI (A. cingulatus n=89, A. karankawai n=2), ICML (A. karankawai n=42), MACN (A. cingulatus n=5), NHM (A. cingulatus n=1), TCRC (A. karankawai n=2), UF (A. karankawai n=1), and NMNH (A. cingulatus n=13, A. karankawai n=25).
FIGURE 13 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 13. Actinal intermediate plates: A, Astropecten cingulatus. Holotype. B, Astropecten karankawai. Arrow: pedicellaria.
FIGURE 11 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 11. Astropecten karankawai AD spination at mid-arm: A, Dry specimen. B, wet specimen. 1: first row of spines. 2: Enlarged median spine. 3: Semicircle of subambulacral spinelets. Arrow: pedicellaria.
FIGURE 10 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 10. Astropecten cingulatus: Spination of AD plates at mid-arm. Numbers indicate rows from the furrow on an adambulacral plate. Photo: A. Tablado, with permission.
FIGURE 3 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 3. Astropecten karankawai from off the coast of Texas: Holotype (large specimen), R = 79 mm. Paratype (small specimen), R = 25 mm. Left, Abactinal view. Right, Actinal view.
FIGURE 2. Astropecten cingulatus from off Buenos Aires province, R in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 2. Astropecten cingulatus from off Buenos Aires province, R = 42 mm: Left. abactinal view. Right, actinal view. Modified from Bernasconi (1941, Plate VII).
FIGURE 9 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 9. Astropecten cingulatus, Holotype. Spination of AD plates: A, Furrow from mid-arm (left) to the interradial area (right). Arrow: enlarged spine of the second row of the AD plates adjacent to ACT plates. B, Enlarged area of the box in panel A. 1–3: Numbers indicate each row on one AD plate.
FIGURE 6 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 6. Astropecten cingulatus: Holotype (R = 28 mm). A, actinal surface of arm. B, abactinal surface of arm. Fr: fringe spines.
FIGURE 4 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 4. Superomarginal plates and paxillae: A, B: Astropecten cingulatus. Holotype. A, disk paxillae. B, paxillae at midarm and granulated SM plates. C, D: Astropecten karankawai. C, disk paxillae. D, paxillae at mid-arm with pedicellariae (arrows) and granulated SM plates of a dried specimen.
FIGURES 1 A–D in Conotrachelus dimidiatus Champion, 1904 (Coleoptera: Curculionidae: Molytinae): morphological re-description of the immature stages, keys, tribal comparisons and biology
FIGURES 1 A–D. Conotrachelus dimidiatus, mature larva: A—habitus, lateral view and head, frontal view; B—lateral view of thoracic segments, C—lateral view of abdominal segment I, D—lateral view of abdominal segments VII—X (prns— pronotal s., prs—prodorsal s., pds—postdorsal s., as—alar s., ss—spiracular s., eps—epipleural s., ps—pleural s., pda—pedal s., lsts—laterosternal s., eus—eusternal s., ds—dorsal s., sts—sternal s.; Th1-3—number of thoracic segments; Ab1-10— number of abdominal segments I-X in the text). Scale bars: 1 mm.
FIGURES 3 A–D in Conotrachelus dimidiatus Champion, 1904 (Coleoptera: Curculionidae: Molytinae): morphological re-description of the immature stages, keys, tribal comparisons and biology
FIGURES 3 A–D. Conotrachelus dimidiatus, pupa: A—habitus, ventral view; B—habitus, dorsal view; C—apex of abdomen, ventral view; D—apex of abdomen, dorsal view (setae; as—apical s., d, ds—discal s., fes—femoral s., l, ls—lateral s., os— orbital s., pls—posterolateral s., pas—postantennal s., rs—rostral s., sos—superorbital s., vs—vertical s.; ur— urogomphi). Scale bar: 1 mm.
FIGURES 2 A–F in Conotrachelus dimidiatus Champion, 1904 (Coleoptera: Curculionidae: Molytinae): morphological re-description of the immature stages, keys, tribal comparisons and biology
FIGURES 2 A–F. Conotrachelus dimidiatus, mature larva: A—head, frontal view (des—dorsal epicranial s., fs—frontal epicranial s., les—lateral epicranial s., pes—postepicranial s., at—antenna, st—stemma); B—right mandible (mds—mandible dorsal s.); C—antenna; D—labrum and clypeus (lms—labral s., cls—clypeal s., clss—clypeal sensorium); E—epipharynx (ams—anteromedial s., als—anteriolateral s., mes—median s., lr—labral rods). F—maxillolabial complex, ventral view, right maxilla (dms—dorsal malar s., vms—ventral malar s., mbs—basiventral s., pfs—palpiferal s., stps—stipital s.), prementum and postmentum, ventral view (prms—premental s., pms—postmental s., ligs—ligular s.); Scales bars: 1 mm (A, F), 0.1 mm (B, D, E), and 0.02 mm (C).
FIGURE 2. Comparison between B in New species, redescriptions and phylogenetic revision of tribe Dacini (Diptera: Tephritidae: Dacinae) from India based on morphological characters
FIGURE 2. Comparison between B. (B.) prabhui sp.nov. and B. (B.) caryeae (Kapoor).(A&K) head; (B&L) scutum; (C&M) thorax lateral view & legs; (D&N) abdomen; (E&O) wing; (F,G,H &P) aculeus; (I&R) spermatheca; (J&Q) spicules on distal end of eversible membrane.
FIGURE 2. Ichneumonidae hind wing morphology and comparison with the wing fossil. A in The first Ichneumonid fossil from the Early Pleistocene of Madeira Island (Portugal)
FIGURE 2. Ichneumonidae hind wing morphology and comparison with the wing fossil. A, position and venation in Ichneumonidae (Ophion obscuratus Fabricius, 1798), figure adapted from Prehn & Raper (2016); B, Specimen UMad-P500a (part); C, Specimen UMad-P500b (counter-part); D, drawing interpretation of specimen UMad-P500a with venation nomenclature and cell numbers; arrows point to bulla.
FIGURE 1. Zeuxine flava & Z. sakagutii. A–I. Zeuxine flava. J–R. Z. sakagutii. A, J. Habit. B, K. Flower. C, L. Lip. D, M. Calli. E, N. Column. F, O. Anther cap. G, P. Pollinia. H, Q. Ovary and column. I, R in Morphological comparisons of two pairs of easily confused species in subtribe Goodyerinae (Cranichideae; Orchidaceae)
FIGURE 1. Zeuxine flava & Z. sakagutii. A–I. Zeuxine flava. J–R. Z. sakagutii. A, J. Habit. B, K. Flower. C, L. Lip. D, M. Calli. E, N. Column. F, O. Anther cap. G, P. Pollinia. H, Q. Ovary and column. I, R. Sepals and petals.
FIGURES 47−57. H in Seven new species expand the morphological spectrum of Haslea. A comparison with Gyrosigma and Pleurosigma (Bacillariophyta)
FIGURES 47−57. H. clevei sp. nov., SEM. figs 47–53. Type material, Finnmark, Norway. figs 54–57. Material from Florida, USA. SEM. Fig. 47. General aspect, exterior, bar = 20 μm. Inset: detail, magnified 4x, showing offset striae. Fig. 48. General aspect, interior, bar = 20 μm. Fig. 49. Centre, interior, bar = 2 μm. Note vestigial central bar. Fig. 50. Centre, exterior, bar = 2 μm. Inset (2x enlargement): central raphe endings in "pits", almost fused. Fig. 51. Apex, exterior, bar = 2 μm. Fig. 52. Apex, interior, bar = 2 μm. Note prominent helictoglossa. Fig. 53. Interior view of valve where basal and tegumental layer have separated, bar = 2 μm. Inset (2x enlargement): saepes with large perforations (arrow) located underneath the transverse basal layer bars. Figs 54, 55. Apex, exterior, 2 different specimens, bars = 1 μm. Valve morphogenesis not yet finished, longitudinal fissures still to be filled in. Arrows mark perforations in saepes. Fig. 56. Centre, exterior of developing valve, longitudinal fissures still to be filled in. Horizontal arrow marks raphe endings in "pits", oblique arrows mark perforations in saepes. Bar = 3 μm. Fig. 57. Centre, interior. Vestigial central bar, compare with Fig. 49 for variability. Bar = 2 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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.