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450 results for “External morphology”
FIGURE 2 in Taxonomic characterization of Paradoxical frogs (Anura, Hylidae, Pseudae): geographic distribution, external morphology, and morphometry
FIGURE 2. Live color patterns in Pseudae species in Brazil. Pseudis paradoxa: A—Pinheiro, Maranhão; B— Tartarugalzinho, Amapá; C—Corumbá, Mato Grosso do Sul; D—Boa Vista, Roraima. Pseudis bolbodactyla: E—Aporé, Goiás; F—Buritizeiro, Minas Gerais; G—Iaciara, Goiás. Pseudis tocantins: H— Britânia, Goiás; I—Formoso do Araguaia, Tocantins. J—P. fusca: Araçuaí, Minas Gerais. K—Lysapsus limellum, Corumbá, Mato Grosso do Sul. L—L. caraya, Britânia, Goiás. M—L. laevis, Boa Vista, Roraima. N—Pseudis cardosoi, Jaquirana, Rio Grande do Sul. M— Pseudis minuta, Porto Alegre, Rio Grande do Sul.
FIGURE 1A in Taxonomic characterization of Paradoxical frogs (Anura, Hylidae, Pseudae): geographic distribution, external morphology, and morphometry
FIGURE 1A. Geographic distribution of Lysapsus species in Brazil. Data points correspond to the localities listed in Appendix II. Brazilian political units: AM, Amazonas; AP, Amapá; BA, Bahia; ES, Espírito Santo; GO, Goiás; MA, Maranhão; MG, Minas Gerais; MT, Mato Grosso; MS, Mato Grosso do Sul; PA, Pará; PR, Paraná; RO, Rondônia; RS, Rio Grande do Sul; RR, Roraima; SC, Santa Catarina; SP, São Paulo; TO, Tocantins.
FIGURE 2 in The tadpole of Eupsophus nahuelbutensis (Anura: Neobatrachia): external morphology, chondrocranium, and comments on its natural history
FIGURE 2. Comparisons of the scores of the samples of E. nahuelbutensis, E. emiliopugini, E. roseus and E. vertebralis tadpoles in the space of the first two discriminant functions and the percentage of contribution of each function to the total variance in the sample.
FIGURE 1 in The tadpole of Eupsophus nahuelbutensis (Anura: Neobatrachia): external morphology, chondrocranium, and comments on its natural history
FIGURE 1. Tadpole of Eupsophus nahuelbutensis at Stage 31. (A) Lateral view, (B) Dorsal view, (C) Oral disc, and (D) Ventral view. Bar equals 1 mm.
FIGURE 3 in The tadpole of Eupsophus nahuelbutensis (Anura: Neobatrachia): external morphology, chondrocranium, and comments on its natural history
FIGURE 3. Chondrocranium of Eupsophus nahuelbutensis (Stage 31). (A) Dorsal view, (B) ventral view, (C) lateral view, and (D) ventral view of hyobranchial apparatus. Abbreviations: cb I–IV = ceratobranchials I-IV, ch = ceratohyal, co = cartilago orbitalis, cot = commissura terminalis, cqa = commissura quadratocranialis anterior, ct = cornua trabeculae, faq = fascies articularis quadrati, fca = foramen caroticum primarium, fcr = foramen craniopalatinum, foc = foramen oculomotorium, fop = foramen opticum magnum, fpo = foramen prooticum, hp = hypobranchial plate, i = cartilago infrarostralis, m = cartilago meckeli, nc = notochordal cannal, oc = otic capsule, pa = processus anterolateralis hyalis, pac = processus anterior hyalis, paq = pars articularis quadrati, pas = processus ascendens, pm = processus muscularis quadrati, pph = processus posterior hyalis pq = palatoquadrate, pr = pars reuniens, sa = pars alaris, sc = pars corporis, ts = tectum synoticum, ttm = taenia tecti marginalis, up = urobranchial process. Bars equals 1 mm.
FIGURES 47–52. Representative external valves from size class 2 in Climate-related morphological changes in Pantocsekiella (Mediophyceae) spanning 0-1.2 Ma in the Lake El'gygytgyn, northeastern Russia including Pantocsekiella elgygytgynensis sp. nov.
FIGURES 47–52. Representative external valves from size class 2 (5–10 µm). Fig. 47) Valve from 0.075 ka (LZ23) showing one central fultoportula (cf) and flat valve face with four depressions, Fig. 48) Valve from 29.12 ka (LZ491) showing flat valve face with three depressions, Fig. 49) Valve from 190.5 ka (LZ9-138) showing flat valve face with numerous fovi, Fig. 50) Valve from 198.2 ka (LZ9-155) showing flat valve face with five scattered central fultoportulae (cf), Fig 51) Valve of P. elgygytgynensis from 238.5 ka (LZ10-227), Fig. 52) Valve of P. elgygytgynensis from 417.4 ka (DC570) with white circles highlighting the clusters of central fultoportulae within the large depressions.
FIGURES 41–46. Representative external valves from size class 1 in Climate-related morphological changes in Pantocsekiella (Mediophyceae) spanning 0-1.2 Ma in the Lake El'gygytgyn, northeastern Russia including Pantocsekiella elgygytgynensis sp. nov.
FIGURES 41–46. Representative external valves from size class 1 (3–5 µm). Fig. 41) Valve from 1.029 Ma (DC1600) showing numerous fovi and two central fultoportulae (cf), Fig. 42) Valve from 952.6 ka (DC1480) showing the rimoportula placement, Fig. 43) Valve of P. elgygytgynensis from 406.7 ka (DC550) showing the rimoportula placement,, Fig. 44) Valve of P. elgygytgynensis from 302.5 ka (LZ12- 54) showing three depressions and three central fultoportulae, Fig. 45) Valve from 119.3 ka (LZ6-60) showing less distinct depressions, and Fig. 46) Valve from 8.28 ka (LZ366) showing P. ocellata morphology.
FIGURE 2 in The tadpole of Boana jaguariaivensis (Caramaschi, Cruz & Segalla, 2010) (Anura: Hylidae): external and internal oral cavity morphology
FIGURE 2. Internal oral cavity of tadpoles of Boana jaguariaivensis. (A–C) Buccal floor; (D–F) buccal roof. BFA = buccal floor arena; IP = infralabial papillae; LP = lingual papillae; PP = prepocket papillae; PBFA = papillae of buccal floor arena; BRA = buccal roof arena; DV = dorsal velum; PSPN = prenarial pustulations; CH = choanae; LPMR = lateral ridge papillae; PPNA = papillae of postnarial arena; MR = median ridge; PBRA = papillae of buccal roof arena; GZ = glandular zone; VV = ventral velum.
FIGURE 10 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 10.Cluster analysis resulted from internal oral features of 18 species of Physalaemus. Abbreviations stand for: P. a g = Physalaemus aguirrei; P. al = P. albifrons; P. a n = P. angrensis; P. a t = P. atlanticus; P. c a = P. camacan; P. c e = P. centralis; P. c i = P. c i c a d a; P. c r = P. crombiei; P. c u = P. cuvieri; P. g r = P. gracilis; P. i r = P. irroratus; P. j o = P. jordanensis; P. m a = P. marmoratus; P. m x = P. maximus; P. m o = P. m o re i r a e; P. r u = P. rupestris; P. s i = P. signifer; P. s o = P. soaresi.
FIGURE 7 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 7. (A) P. albifrons: single row of marginal papillae; a mental gap (*) and two ventrolateral gaps (**); (B) P. aguirrei: double row of marginal papillae; no mental gap and two small ventrolateral gaps; (C) P. cicada: single row of marginal papillae; a mental gap and no ventrolateral gaps; and (D) P. signifer; single row of marginal papillae; no mental or ventralateral gaps. (E) P. crombiei: tooth row formula 2(2)/3(1), where P-3 = P-2 = P-1; (F) P. albifrons: tooth row formula 2(2)/3(1,2), where P-3
FIGURE 6 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 6. Spiracle (A) P. aguirrei: lateral and (B) P. centralis: ventrolateral. (C) P. atlanticus: dorsal fin slightly taller than ventral fin, and (D) P. centralis: dorsal fin twice taller than ventral fin and. (E) P. camacan: ventral oral disc, and (F) P. j o rd a n - ensis: anteroventral oral disc.
FIGURE 2 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 2. (A) Floor and (B) roof of P. cicada; (C) Floor and (D) roof of P. gracilis; (E) Floor and (F) roof of P. irroratus. Stage 36–37. Scale = 1mm.
FIGURE 5 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 5. (A) P. albifrons: elliptical body in lateral view, and (B) P. cuvieri: globular/depressed body in lateral body. (C) P. aguirrei: snout ovoid in lateral view, (D) P. atlanticus: snout round in lateral view; (E) P. aguirrei: snout ovoid in dorsal view, and (F) P. atlanticus: snout round in dorsal view. (G) P. gracilis: nostrils large and oval, and (H) P. henselii: nostrils small and round.
FIGURE 3 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 3. (A) Floor and (B) roof of P. m ax i m us; (C) Floor and (D) roof of P. rupestris; (E) Floor and (F) roof of P. signifer. Stage 36–37. Scale = 1mm.
FIGURE 1 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 1. (A) Floor and (B) roof of Physalaemus aguirrei; (C) Floor and (D) roof of P. atlanticus; (E) Floor and (F) roof of P. camacan. Stage 37. Scale = 1mm.
FIGURE 11 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 11. Cluster analysis resulted from morphological features of 18 species of Physalaemus. Abbreviations stand for: P. ag = Physalaemus aguirrei; P. al = P. albifrons; P. a n = P. angrensis; P. a t = P. atlanticus; P. c a = P. camacan; P. c e = P. centralis; P. c i = P. cicada; P. c r = P. crombiei; P. c u = P. cuvieri; P. g r = P. gracilis; P. i r = P. irroratus; P. j o = P. j o rd a n e n s i s; P. m a = P. marmoratus; P. m x = P. maximus; P. m o = P. m o re i r ae; P. r u = P. rupestris; P. s i = P. signifer; P. s o = P. s o a re s i.
FIGURE 9 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 9. Cluster analysis resulted from external morphological features of 20 species of Physalaemus. Abbreviations stand for: P. a g = Physalaemus aguirrei; P. al = P. albifrons; P. a n = P. angrensis; P. a t = P. atlanticus; P. c a = P. c a m a c a n; P. c e = P. centralis; P. c i = P. cicada; P. c r = P. crombiei; P. c u = P. cuvieri; P. g r = P. gracilis; P. h e = P. henselii; P. i r = P. irroratus; P. j o = P. j o rd an e n si s; P. m a = P. marmoratus; P. m x = P. maximus; P. m o = P. m o re i r a e; P. r u = P. rupestris; P. s i = P. signifer; P. s o = P. s o a re s i; P. s p = P. spiniger.
FIGURE 8 in A survey of the internal oral features and external morphology of Physalaemus larvae (Anura, Leptodactylidae)
FIGURE 8. (A) P. crombiei: two lingual papillae; (B) P. albifrons; three lingual papillae; and (C) P. c i c a d a: four lingual papillae. (D) P. marmoratus: median ridge semicircular; (E) P. rupestris: median ridge triangular; and (F) P. maximus: median ridge trapezoid. Scale = 1 mm.
FIGURE 9 in Systematics of reptile-associated scale mites of the genus Pterygosoma (Acariformes: Pterygosomatidae) derived from external morphology
FIGURE 9. Strict consensus tree under implied weighting (K=11–17) with host and distribution data. New species groups are made in bold. Abbreviations of lizard generic names: A, Agama; Ac, Acanthocercus; B, Broadleysaurus; C, Calotes; D, Draco; G, Gerrhosaurus; L, Laudakia; M, Matobosaurus; P, Paralaudakia; Ph, Phrynocephalus; Pm, Psammophilus; Ps, Pseudotrapelus; T, Trapelus.
FIGURE 7 in Systematics of reptile-associated scale mites of the genus Pterygosoma (Acariformes: Pterygosomatidae) derived from external morphology
FIGURE 7. Strict consensus of 3 most parsimonious trees found under implied weighting (K=11). Numbers above branches are common synapomorphies (character numbers refer to Appendix 1). Abbreviations (refer to species established by Jack in 1962b and Fajfer and González-Acuña in 2013): lig, ligare; ger, gerrhosauri; in, inermis; arm, armatum; mel, melanum; hir, hirsti; tra, transvaalense; neu, neumanni; fim, fimbriata.
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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.