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505 results for “apples”
Figure 1 in Protozoan ciliate epibionts on the freshwater apple snail Pomacea figulina (Spix, 1827) (Gastropoda, Ampullariidae) in an urban stream of south-east Brazil
Figure 1 (continued). In vivo photomicrographic images of epibiont ciliates on Pomacea figulina. (K–M). Carchesium polypinum. (N). Colony of Carchesium polypinum as basibiont of the suctorian Tokophrya fasciculata (arrows). (O). Superior view of the suctorian Tokophrya fasciculata. (P–Q). Tokophrya fasciculata. Scale bars: 100 mm.
Figure 1 in Protozoan ciliate epibionts on the freshwater apple snail Pomacea figulina (Spix, 1827) (Gastropoda, Ampullariidae) in an urban stream of south-east Brazil
Figure 1. In vivo photomicrographic images of epibiont ciliates on Pomacea figulina. (A–B). Vorticella campanula. (C–D). Epistylis plicatilis. (E–F). Opercularia sp. (G). Vorticella microstoma-complex. (H–J). Epistylis sp. The arrows show the asexual reproduction. Scale bars: 50 mm.
Figure 14 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 14. SEM images of shell morphology of 1-day-old hatchlings of Pomacea maculata (Houston, Texas, USA; A, C, E) and Pomacea canaliculata (Tucumán, Argentina; B, D, F). A, B, apertural view. C, D, apex view. E, F, close-up of embryonic whorl. Scale bars: 100 Mm.
Figure 12 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 12. Female reproductive anatomy of Pomacea maculata. Histology of pallial glandular oviduct. A, close-up of seminal receptacle and visceral oviduct. B, copulatory bursa with mass of unorientated sperm in centre of lumen. U-shaped channel separating bidirectional transit of sperm into seminal receptacle from bursa, and of eggs from seminal receptacle into albumen gland. C, section through concave albumen gland embedded within parenchymal tissue, showing the ciliated oviducal groove at periphery of the gland. D, close-up showing the ducts (arrows) leading from parenchymal tissue into the albumen gland. E, section through the capsule gland embedded within parenchymal tissue, showing the ventral channel and the ciliated oviducal groove. Inset in (E) shows a close-up of the ventral channel. Abbreviations: agl, albumen gland; bc, copulatory bursa; cgl, capsule gland; og, ciliated oviducal groove; ov, visceral oviduct; pa, parenchymal tissue; rcs, seminal receptacle; u, U-shaped channel; vc, ventral channel. Scale bars: 250 Mm (A–C, E); 100 Mm (D, E inset).
Figure 13 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 13. Egg morphology of Pomacea maculata (A, B) and Pomacea canaliculata (C), showing the differences in clutch size and individual egg size. Egg colour in both species varies from a deep pink to orange–pink. When eggs are about to hatch (far-right image) the pink colour fades and the juveniles are visible beneath the calcareous shell. Scale bars: 5 mm.
Figure 11 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 11. Female reproductive anatomy of Pomacea maculata (A) and Pomacea canaliculata (B). Overview of pallial oviduct and the placement of organs within the mass of parenchymal tissue; top, dorsal views; bottom, ventral views. Dashed line indicates path of oviducal groove. Black arrows indicate the path of eggs along the ciliated tract; white arrows indicate the path of incoming sperm from the ventral channel to the copulatory bursa and into the seminal receptacle. For simplicity, the parenchymal tissue and vagina are only shown in the dorsal view of P. maculata. Abbreviations: agl, albumen gland; bc, copulatory bursa; cgl, capsule gland; fo, female opening; pa, parenchymal tissue; rcs, seminal receptacle; v, vagina. Scale bar: 5 mm.
Figure 10 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 10. Male reproductive morphology of Pomacea canaliculata. Histology of penis sheath: (A) apical gland, with (a) close-up of subepithelial glands of rugose suface tissue, and (b) close-up of smooth glandular surface, lacking subepithelial glands; (B) medial gland; and (C) ventral basal gland. D, critical point-dried penial sheath showing two glands on the dorsal surface and penis partially extended from penis pouch. Darker green of apical sheath gland shows the extent of rugose glandular tissue, and lighter green shows smoother tissue that lacks subepithelial glands. Abbreviations: apsg, apical penis sheath gland; ct, ctenidium; me, mantle edge; mpsg, medial penis sheath gland; msc, medial sheath channel; p, penis; pb, penis bulb; pp, penis pouch; ps, prostate; vbg, ventral basal gland; vgd, ventral gland duct. Scale bars: 250 Mm (A–C); 100 Mm (a, b); 1 mm (D).
Figure 9 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 9. Male reproductive morphology of Pomacea maculata. Histology of penis sheath: (A) apical gland; (B) basal gland; and (C) ventral basal gland. D, critical point-dried penial sheath showing two glands on the dorsal surface. Abbreviations: apsg, apical penis sheath gland; bpsg, basal penis sheath gland; ct, ctenidium; me, mantle edge; msc, medial sheath channel; pb, penis bulb; pp, penis pouch; ps, prostate; vbg, ventral basal gland; vgd, ventral gland duct. Scale bars: 250 Mm (A–C); 1 mm (D).
Figure 8 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 8. Radular morphology of Pomacea maculata (A, C, E, H) and Pomacea canaliculata (B, D, F, G, I, J, K). C, D, rachidian tooth; E–G, lateral teeth; H–K, marginal teeth. Scale bars: 100 Mm.
Figure 7 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 7. Morphology of buccal apparatus and osphradium of (A) Pomacea maculata and (B) Pomacea canaliculata. Abbreviations: bg, buccal ganglion; ep, oesophageal pouches; es, oesophagus; os, osphradium; sg, salivary glands; rs, radular sac. Scale bar: 5 mm.
Figure 3 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 3. External (top) and inner (bottom) surface of opercula from: (A) Pomacea maculata; and (B) Pomacea canaliculata. Scale bar: 1 cm.
Figure 4 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 4. Shell morphology of Pomacea canaliculata. A, neotype: USNM 1185844. B, previously presumed holotype: MHNG 1093/91 (now INVE 51288). C–E, Pomacea canaliculata from an introduced population in Hawaii showing variation in shell morphology. Scale bar: 1 cm.
Figure 6 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 6. Outline of kidney morphology of (A) Pomacea maculata and (B) Pomacea canaliculata. Abbreviations: ak, anterior kidney; pk, posterior kidney. Scale bar: 1 mm.
Figure 2 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 2. Shell morphology of Pomacea maculata. A, lectotype of Pomacea insularum and neotype of Pomacea gigas: NHMUK 1854.12.4.313. B, C, paralectotypes of P. insularum in the d'Orbigny collection: NHMUK 184.12.4.312 (B), NHMUK 184.12.4.311 (C). D, syntype of Pomacea amazonica: NHMUK 20020645. E, Ampullaria canaliculata of Delessert, presumed to be Ampullaria gigas Spix by Mermod (1952) and others: MHNG 33489 (previously 1487/81). F, Possible syntype of Pomacea haustrum: NHMUK 20020660. G–J, Pomacea maculata from Descalvados Ranch, Pantanal, Mato Grosso, Brazil (G), Cayastá, Santa Fe, Argentina (H, I), and an introduced population in Houston, Texas, USA (J), showing variation in shell morphology. Scale bar: 5 cm.
Figure 1 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 1. Distributions of Pomacea maculata (A) and Pomacea canaliculata (B). Shaded areas represent ranges determined from sample site data, and dashed lines represent inferred ranges based on published records and habitat similarities (i.e. drainages). (C) Portion of the ampullariid phylogenetic tree, reconstructed using two mitochondrial and three nuclear loci, showing the placement of P. canaliculata and Pomacea insularum within a larger clade of Pomacea spp. (Hayes, 2009). Despite the high degree of morphological similarity they do not appear as sister taxa within the clade.
Figure 5 in Comparing apples with apples: clarifying the identities of two highly invasive Neotropical Ampullariidae (Caenogastropoda)
Figure 5. External morphology of (A) Pomacea maculata and (B) Pomacea canaliculata; top, dorsal view; bottom, left side view. Abbreviations: ak, anterior kidney; amp, ampulla; au, auricle; cm, columellar muscle; ct, ctenidium; dg, digestive gland; f, foot; int, intestine; lp, labial palp; ls, lung sac; me, mantle edge; nl, nuchal lobe; ov, ovary; os, osphradium; pb, penis bulb; pc, pyloric caecae; per, pericardium; pg, pedal gland; pk, posterior kidney; pn, pneumostome; po, pallial oviduct; pp, penis pouch; ps, prostate; psh, penis sheat; rg, rectal gland; rt, rectum; si, siphon; ss, style sac; sto, stomach; t, tentacle; te, testis; v, ventricle. Scale bar: 10 mm.
Data for Figs. 7 and 8 in Slanina et al., Appl. Phys. B 126:175 (2020), https://doi.org/10.1007/s00340-020-07519-z
<p>TAB-delimited text file giving the time and pressure data for Figs. 7 and 8 in Slanina et al., Appl. Phys. B 126:175 (2020), https://doi.org/10.1007/s00340-020-07519-z.</p> <p>The first line of the file contains the column headers, indicating the meaning of each column of ASCII data.</p>
Apple orchard production estimation using deep learning strategies: a comparison of tracking-by-detection algorithms - SensitivityAnalysis
<p>The dataset "Sensitivity Analysis" consists of image sequences (videos) for apple detection and tracking and its corresponding ground truth. The ground truth is presented in MOT format. This dataset is part of the paper:</p> <p>Villacrés, J., Viscaino, M., Delpiano, J., Vougioukas, S. & Cheein, F. A. (2022). Apple orchard production estimation using deep learning strategies: a comparison of tracking-by-detection algorithms. <em>Computers and Electronics in Agriculture</em>.</p> <p>The article is currently accepted. For a better reference format, please refer to the journal's official website.</p> <p>If you have used the material presented in this data set, please cite the previous article.</p> <p>For more information regarding the dataset, please refer to the paper mentioned below.</p>
FIGURE 15 in Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia
FIGURE 15. Shell shape variation of Pomacea reevei across localities based on principal component analysis (PCA) of 19 landmarks. Most extreme individuals and shape deformation associated with components are illustrated near the respective axes. Amazonas specimens correspond to Pain collection from Wales Museum.
FIGURE 12 in Description of two new species of apple snail (Ampullariidae: Pomacea) from Peruvian Amazonia
FIGURE 12. Frontal and dorsal views of Pomacea reevei shells. (A) Holotype MUSM 5723H (h=114.10 mm); (B) paratype MUSM 5723P (h=131.16 mm); (C) MUSM 5716P (h=131.90 mm); (D) MUSM 5627P (h=116.26 mm); (E) MUSM 5720P (h=128.26 mm); (F) MUSM 5715P (h=122.46 mm).
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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