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36 results for “Monostilifera”
FIGURE 8 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 8. Nemertopsis mitellicola sp. nov. Holotype, ZIHU-3204. A, transverse section through stomach, showing general arrangement of internal organs. B, enlargement of A, showing mid-dorsal epidermal furrow.
FIGURE 6 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 6. Schematic diagram of two types of oesophagus-rhynchodaeum configuration in monostiliferous hoplonemerteans. A, Africanemertes type. B, normal type.
FIGURE 3 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 3. Nemertopsis quadripunctata (Quoy & Gaimard, 1833). ZIHU-3207. A, transverse section through just behind brain, showing body-wall, musculature, mid-dorsal epidermal furrow, and mid-dorsal vascular plug; arrowhead indicating strongly acidophilic glandular cell in proximal portion of epidermis. B, transverse section through intestinal region, showing arrangement of testes; arrowhead indicating dorsoventral muscle fibre.
FIGURE 2 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 2. Nemertopsis quadripunctata (Quoy & Gaimard, 1833). A, drawing of complete specimen, showing body shape and dorsal stripes. B, enlargement of head.
FIGURE 1. A–D in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 1. A–D, maps showing the sampling locality at increasing enlargements; arrowheads indicate the sampling site, Engetsu Island (modified from ©2006 Google Earth images).
FIGURE 11 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 11. Nemertopsis mitellicola sp. nov. A, holotype, ZIHU-3204, transverse section through intestinal region showing two ova in ovary. B, paratype, ZIHU-3205, transverse section through intestinal region showing testis.
FIGURE 9 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 9. Nemertopsis mitellicola sp. nov. Holotype, ZIHU-3204. A, transverse section through stomach region; black arrowheads show longitudinal muscle fibres from body-wall longitudinal muscle layer traversing through basophilic submuscular glands, white arrowhead indicates muscular bundle from body-wall longitudinal muscle layer. B, transverse section through posterior portion of brain; arrowheads indicating incomplete inner longitudinal muscle layer. C, transverse section through dorsal cerebral commissure; arrowheads indicating incomplete inner longitudinal muscle layer surrounding brain. D, E, transverse sections through proboscis insertion (indicated by arrowheads).
FIGURE 7 in Two species of Nemertopsis (Nemertea: Hoplonemertea: Monostilifera) living in association with Capitulum mitella (Crustacea: Cirripedia: Thoracica: Lepadomorpha)
FIGURE 7. Nemertopsis mitellicola sp. nov. A, drawing of complete specimen. B, enlargement of head viewed dorsally. C, enlargement of head viewed ventrally. D, drawing of central stylet and basis.
FIGURE 1 in The freshwater ribbonworm Prostoma graecense (Hoplonemertea: Monostilifera) in South America (Argentina)
FIGURE 1. Prostoma graecense (Böhmig 1892) from Argentina. Sagittal section through the cephalic region showing the cupshaped frontal organ (FO).
FIGURE 2 in The freshwater ribbonworm Prostoma graecense (Hoplonemertea: Monostilifera) in South America (Argentina)
FIGURE 2. Prostoma graecense (Böhmig 1892) from Argentina. Sagittal section through the fore region of the body, showing the ciliated epithelium of the oesophagus (OE) and the extension of the cephalic glands (CG): dorsal cerebral commisure (DCC); PR, proboscis; RC, rhynchocoel; VCC, ventral cerebral commisure.
FIGURE 3 in Ototyphlonemertes longissima sp. nov. (Hoplonemertea: Monostilifera: Ototyphlonemertidae), a new interstitial nemertean from the South China Sea
FIGURE 3. The phylogenetic tree resulting from the Maximum-likehood (ML) analysis of the 161 haplotypes of 409 COI sequences. The clade of Ototyphlonemertes macintoshi species group is enlarged. Each species name is shown with the name in GenBank followed by that listed in Kajihara et al. (2018: fig. 3 and Appendix). Numbers near nodes are bootstrap support values for ML analysis.
FIGURE 1 in Ototyphlonemertes longissima sp. nov. (Hoplonemertea: Monostilifera: Ototyphlonemertidae), a new interstitial nemertean from the South China Sea
FIGURE 1. Ototyphlonemertes longissima sp. nov. A, Photograph of live specimen; B, dorsal view of head; C, ventral view of head; D, photomicrograph of partial proboscis from squeezed specimen; E, central stylet and basis, from squeezed specimen; F, statocyst, from squeezed specimen; G, intestinal region, from squeezed specimen, showing diverticula. ba, basis; cf, cephalic furrow; cs, central stylet; mc, middle chamber of proboscis; pd, proboscis diaphragm; sl, statolith. Scale bars: A = 6 mm; B, C = 300 µm; D = 50 µm; E, F = 20 µm; G = 100 µm.
FIGURE 1 in Species description and phylogenetics of Oerstedia fuscosparsa sp. nov. (Nemertea: Monostilifera: Oerstediidae) from Japan
FIGURE 1. Oerstedia fuscosparsa sp. nov., photographs (A–H) and photomicrographs (I, J) taken in anaesthetised state. A, entire body, dorsal view; B, entire body, ventral view; C, entire body, left lateral view; D, entire body, ventral view; E, G, magnification of head, dorsal view; F, H, magnification of head, ventral view; I, head in squeezed preparation; J, stylet apparatus. A, B, E, F, ICHUM 8405 (holotype); C, D, G, H–J, ICHUM 8406 (paratype). Abbreviations: ao, anterior ocelli; as, accessory stylet; b, basis; br, brain; cs, central stylet; lb, lateral blood vessel; p, proboscis; po, posterior ocelli. Scale bars: A–D, 2 mm; E–H, 1 mm; I, J, 50 µm.
FIGURE 3 in Species description and phylogenetics of Oerstedia fuscosparsa sp. nov. (Nemertea: Monostilifera: Oerstediidae) from Japan
FIGURE 3. Rooted Bayesian phylogenetic tree showing the position of Oerstedia fuscosparsa sp. nov. within the genus based on concatenated sequences of five gene markers (16S, 18S, 28S, COI, and H3). Number at each node represents Bayesian posterior probability (PP)/IQTree maximum-likelihood ultrafast bootstrap value (UFBoot)/RAxML maximum-likelihood bootstrap value (BS). Solid circles indicate full support (1.00 PP/100% UFBoot/100% BS); open circles indicate 1.00 PP; solid diamonds mean 1.00 PP/100% UFBoot; open diamonds show 0.99 PP.
FIGURE 2 in Species description and phylogenetics of Oerstedia fuscosparsa sp. nov. (Nemertea: Monostilifera: Oerstediidae) from Japan
FIGURE 2. Oerstedia fuscosparsa sp. nov., photomicrographs of transverse histological sections, ICHUM 8405 (holotype). A, posterior foregut region; B, intestinal region. Abbreviations: al, accessory lateral nerve; ic, intestinal caecal lumen; pr, proboscis; py, pylorus. Scale bars: A, B, 50 µm.
FIGURE 2 in Ototyphlonemertes longissima sp. nov. (Hoplonemertea: Monostilifera: Ototyphlonemertidae), a new interstitial nemertean from the South China Sea
FIGURE 2. Ototyphlonemertes longissima sp. nov. A, Transverse section near the tip of head; B, transverse section of precerebral region; C, transverse section through anterior foregut region, longitudinal muscles covering brain are arrowed; D, transverse section through stomach region; E, body wall (foregut region); F, transverse section of stomach. bv, blood vessel; cg, cephalic glands; cm, circular muscle layer; d, dermis; e, epidermis; es, esophagus; ex, efferent duct of excretory system; fo, frontal organ; lm, longitudinal muscle layer; ln, lateral nerve; rd, rhynchodaeum; st, stomach; vc, ventral cerebral commissure. Scale bars = 20 µm.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.