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432 results for “morphological development”
◂Fig. 1 Live photos and dissection of parasitized Aphrodita longipalpa and Veneriserva pygoclava. A Ventral view of A. longipalpa. B Dorsal view of A. longipalpa with removed feltage chaetae, revealing the parasite visible through the body wall. C Ventrally dissected A. longipalpa, exposing the sizable female parasite. Veneriserva pygoclava individuals within the host are indicated by arrowheads. D Juvenile female V. pygoclava, with developing oocytes visible through the body wall along the mid-dorsal orange line. E Female V. pygoclava showing the mid-dorsal orange pigmentation and the white mark at the base of the prostomium. F Male V. pygoclava. G A large female and smaller male V. pygoclava, extracted from the same host. The pygidium is club-shaped in both males and females and juveniles. H Juvenile V. pygoclava shown from multiple angles, characterized by a complete white coloration; black jaws are magnified in panel in Hardly Venus's servant-morphological adaptations of Veneriserva to an endoparasitic lifestyle and its phylogenetic position within Dorvilleidae (Annelida)
◂Fig. 1 Live photos and dissection of parasitized Aphrodita longipalpa and Veneriserva pygoclava. A Ventral view of A. longipalpa. B Dorsal view of A. longipalpa with removed feltage chaetae, revealing the parasite visible through the body wall. C Ventrally dissected A. longipalpa, exposing the sizable female parasite. Veneriserva pygoclava individuals within the host are indicated by arrowheads. D Juvenile female V. pygoclava, with developing oocytes visible through the body wall along the mid-dorsal orange line. E Female V. pygoclava showing the mid-dorsal orange pigmentation and the white mark at the base of the prostomium. F Male V. pygoclava. G A large female and smaller male V. pygoclava, extracted from the same host. The pygidium is club-shaped in both males and females and juveniles. H Juvenile V. pygoclava shown from multiple angles, characterized by a complete white coloration; black jaws are magnified in panel
Fig 5 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 5 Eyprepocnemis plorans ibandana, postembryonic development of pronotum and wings (lateral view). Pro: pronotum; Wbs: Wing buds.
Fig 2 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 2 Survival rate of the nymphal instars of E. p. ibandana in the laboratory. Solid line: % survival of each instar; broken line: % of all nymphs still surviving. L1–L6 = nymphal instars 1–6.
Fig 8 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 8 Eyprepocnemis plorans ibandana, increase in body size under laboratory conditions. L= nymph; A= adult.
Fig 1 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 1 Variation in temperature and relative humidity from January to September 2017. Laboratory of Zoology Faculty of Science University of Yaoundé 1.
Fig 6 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 6 Eyprepocnemis plorans ibandana, postembryonic development of males' external genitalia (ventral view). Ceq: cerci, Ep: epiproct, Pap: paraproct, Psg: subgenital plate, 8 stn: sternite 8, 9 stn: sternite 9.
Fig 7 from: Nkwala ALD, Talla FS, Ngoute CO, Kekeunou S, Wandji AC, Nzike MM, Noutchom AS, Mbida M (2019) Morphology, development, and reproduction of Eyprepocnemis plorans ibandana (Orthoptera: Acrididae) in South Cameroon rainforests. Journal of Orthoptera Research 28(2): 145-154. https://doi.org/10.3897/jor.28.33370
Fig 7 Eyprepocnemis plorans ibandana, postembryonic development of females' external genitalia (ventral view). Ceq: cerci, Ep: epiproct, Pap: paraproct, Vad: dorsal valve, Vav: ventral valve, 9 stn: sternite 9, F6: female of six instars, F7: female of seven instars.
Fig. 2 in Development and morphological characterization of the immature stages of Tetrastichus giffardianus Silvestri (Hymenoptera: Eulophidae)
Fig. 2. Number of larval instars of Tetrastichus giffardianus determined by multivariate analysis based of the cephalic capsule width, length and width of the larval body, using the K-Means method.
Fig. 2 in Larval external morphology and development in Feihyla kajau (Dring, 1983) (Amphibia: Anura: Rhacophoridae)
Fig. 2. Tadpole of Feihyla kajau from Kubah National Park (UH 518). Top: lateral view; lower left: ventral view showing transparency of ventral skin (gills and heart red, gut coils clearly visible); lower right: portrait in lateral view showing details of iris coloration, naris size and position, and head pigmentation.
Fig. 1 in Morphological development of Anchoviella vaillanti (Steindachner, 1908) (Clupeiformes: Engraulidae) larvae and early juveniles
Fig. 1. Larva and juvenile Anchoviella vaillanti: 1.7 mm yolk-sac larva (a), 3.2 mm (b) and 5.5 mm (c) preflexion larvae, 7.6 mm (d) and 10.7 mm (e) flexion larvae, 13.8 mm (f) and 16.0 mm (g) postflexion larvae, and 25.5 mm (h) and 30.0 mm (i) early juveniles. Scale bar = 1 mm.
Figure 8. A–C in Morphological evolution in Ceratophryinae frogs (Anura, Neobatrachia): the effects of heterochronic changes during larval development and metamorphosis
Figure 8. A–C, dorsal view of the chondrocranium. D–F, ventral view of the lower jaw. G–I, hyobranchial skeleton at larval stage 37. A, D, and G, Chacophrys pierottii. B, E, and H, Ceratophrys cranwelli. C, F, and I, Lepidobatrachus laevis. Abbreviations: bh, basihyal; cli, cartilage labialis inferior; cls, cartilago labialis superior; cm, cartilago meckeli; cop, copula mandibularis; cqo, commissura quadratoorbitalis; ct, cornua trabeculae; cte, commissura terminalis; hb, hypobranchialia; i, infrarostral; lpo, larval process oticus; pa, processus anterolaterialis of ceratohyal; pacls, pars alaris cartilago labialis superior; pacp, processus anterolateralis crista parotica; pb, processus branchialis; pccls, pars corpores cartilago labialis superior; pqe, processus quadratoethmoidalis; ppcp, processus posterolateralis crista parotica; psp, processus pseudopterygoideus; sp, spicula; ub, processus urobranchialis. Scale bar: 1 mm.
Figure 7 in Morphological evolution in Ceratophryinae frogs (Anura, Neobatrachia): the effects of heterochronic changes during larval development and metamorphosis
Figure 7. Variation in the origin of the m. suspensorioangularis in tadpoles (stage 37). A, in Chacophrys pierottii, the m. suspensorioangularis has a preorbital origin, its fibres originate at the posterior base of the process muscularis. B, in Ceratophrys cranwelli, the m. suspensorioangularis is long, and has fibres originating posterior to the base of the processus muscularis at the ventral surface of the palatoquadrate, and are covered by the m. hyoangularis. The origin of this muscle in this species is at the level of the eye. C, in Lepidobatrachus llanensis, some fibres of the m. suspensorioangularis originate from the lateral expansion of the palatoquadrati, behind the posterior base of the processus muscularis, and other fibres that are joined by connective tissue link the origin of this muscle with the ceratohyal. The origin of this muscle is postorbital. Haas (2003) recognized a posterior origin of the m. suspensorioangularis in basal anurans –differing from the preorbital origin observed in neobatrachians. Scale bars: 1 mm.
Figure 6 in Morphological evolution in Ceratophryinae frogs (Anura, Neobatrachia): the effects of heterochronic changes during larval development and metamorphosis
Figure 6. Pattern of the lateral line system of tadpoles at larval stage 37 in dorsal, lateral, and ventral views. A, Lepidobatrachus laevis. B, Ceratophrys cranwelli. C, Pseudis platensis. D, Telmatobius atacamensis. Discontinuous lines represent neuromasts. Abbreviations for the anterior lateral line system: an, angular line; io, infraorbital line; lor, oral longitudinal line; or, oral line; pre, preorbital line; sl, supralabial line, and st, supratemporal line. Abbreviations for the posterior lateral line system: d, dorsal line; m, medial line; v, ventral line. Scale bar: 10 mm.
Figure 2 in Morphological evolution in Ceratophryinae frogs (Anura, Neobatrachia): the effects of heterochronic changes during larval development and metamorphosis
Figure 2. Anal tube morphology in anuran tadpoles. A, Telmatobius atacamensis (stage 36), ventral view of the funnel-shaped anal tube. B, Odontophrynus lavillai (stage 36), lateral view of the funnel-shaped anal tube. C, Chacophrys pierottii (stage 35), ventral view of the anal tube, which is short and cylindrical. D, Ceratophrys cranwelli (stage 36), the anal tube is cylindrical and smaller than the anal tube of C. pierottii. E, Lepidobatrachus llanensis (stage 34), lateral view of the anal tube. The anal tube is funnel shaped and short. F, Lepidobatrachus llanensis (stage 36), ventral view. The anal tube is short and its opening is wide. After this stage the anal tube disappears. Scale bars: 2 mm.
Figure 5 in Morphological evolution in Ceratophryinae frogs (Anura, Neobatrachia): the effects of heterochronic changes during larval development and metamorphosis
Figure 5. Cross sections of the skin of the dorsum in selected tadpoles at larval stage 37. A, Odontophrynus lavillai. The epidermis is double layered with cells organized in an internal layer of columnar cells and an external layer of flattened cells. Melanocytes are in the epidermis. The dermis is a single layer, with a compact stratum composed of collagenous fibres. B, Telmatobius atacamensis. The thick epidermis is composed of an inner layer of tall and large cells, and at least three external layers of flattened cells. Melanocytes are in the epidermis. The dermis is thin and has only a compact stratum. C, Chacophrys pierottii. The epidermis is double layered. Melanocytes are in the epidermis. The dermis is single and thin. D, Ceratophrys cranwelli. Five layers of cells form the epidermis. Melanocytes are in the epidermis and dermis. Two layers form the dermis: the outer stratum spongiosum that has mucous glands, and the underlying stratum compactum. E, Lepidobatrachus llanensis. The epidermis is composed of three or four layers of flat cells. The dermis has the stratum spongiosum with glands and the stratum compactum. There are scarce melanocytes in the dermis. F, Lepidobatrachus laevis. Three layers of cells form the epidermis. The dermis consists of stratum spongiosum and compactum. The stratum spongiosum has small glands and melanocytes. In C. cranwelli, L. llanensis, and L. laevis the dermis thickness is greater than twice the epidermis thickness. Abbreviations: cs, compactum stratum of the dermis layer; d, dermis; e, epidermis; ss, spongiosum stratum of the dermis layer. Symbols: arrowheads point to melanocytes; stars indicate mucous glands. Scale bars: 0.1 mm.
Figure 12 in Cranial morphology of Bachia bicolor (Squamata: Gymnophthalmidae) and its postnatal development
Figure 12. Anterior braincase region showing the orbitosphenoid growth, the ossification of the trabecular cartilage, and trabecula communis at different ontogenetic stages. A, neonate (ventral view, UIS-R-1452). B, juvenile (ventral view, UIS-R-1438). C, adult (dorsal view, UIS-R-1453). Key: II, optic foramen notch; or, orbitosphenoid; pf, pituitary fossa; rtp, rostral process; tc, trabecular cartilage; tcm, trabecula communis. Scale bar = 0.5 mm.
Figure 5 in Cranial morphology of Bachia bicolor (Squamata: Gymnophthalmidae) and its postnatal development
Figure 5. Posterior view of the region anterior to the orbit in a partially disarticulated skull. Key: ecp, ectopterygoid; f, frontal; j, jugal; l, lacrimal; lf, lacrimal foramen; m, maxilla; ornf, orbitonasal fenestra; paf, maxillary posterior alveolar foramen; pl, palatine; plp, prefrontal palatine process; prf, prefrontal; pt, pterygoid; tl, transverse lamina; vp, frontal ventral process. Scale bar = 1 mm.
Figure 7 in Cranial morphology of Bachia bicolor (Squamata: Gymnophthalmidae) and its postnatal development
Figure 7. Adult otico-occipital region, from partially disarticulated skulls. A, dorsal view (UIS-R-1446). B, lateral view (UIS-R-1446). C, internal view (UIS-R-1448), the right prootic and the otooccipital are visible. Dashed lines indicate the sutures between the neurocranial elements in (A) and (B), and the hidden basipterygoid extremes in (A). Key: aaf, anterior auditory foramen; alc, alar crest; asc, anterior semicircular canal; ar, acoustic recess; bap, basipterygoid process; basap, basisphenoid anterior process; bsc, basisphenoid dorsal crest; ca, columella; cs, crista sellaris; fm, foramen magnum; fo, foramen ovale; fr, foramen rotundum; II, optic notch; icf, internal carotid artery foramen; ifvc, internal foramen for the vidian canal; oc, occipital condyle; or, orbitosphenoid; paf, posterior auditory foramen; paocp, paroccipital process; pasc, supraoccipital processus ascendens; pc, prootic crest; pfvc, posterior foramen for the vidian canal; pl, perilymphatic foramen; plag, prominence for the lagenar cavity; psc, posterior semicircular canal; pu, prominence of the utricule; pvc, prominence of the vestibular cavity; rt, rostral processes; rtp, rostral process; rvj, recessus vena jugularis; soc, supraoccipital transversal crest; soct, spheno-occipital tubercle; V, trigeminal notch; vc, vestibular cavity; VI, foramen for abducens; VII, facial foramen; X, vagal foramen; XII, hypoglossal foramina. Scale bar = 1 mm.
Figure 3. Maxilla and premaxilla. A in Cranial morphology of Bachia bicolor (Squamata: Gymnophthalmidae) and its postnatal development
Figure 3. Maxilla and premaxilla. A, maxilla, dorsal view. B, premaxilla, anterior view. C, premaxilla, lateral view. Key: amp, anteromedial process; alp, anterolateral process; hc, horizontal crest; lp, lateral process; mp, maxillary process; mps, maxillary palatal shelf; np, nasal process; pa, posterior alveolar foramen; pps, premaxillary palatal shelf. Scale bar = 0.5 mm.
which we developed these six types of gastric morphology?
<p>Reference: Influence of gastric morphology on gastroesophageal reflux in adults: PMID: 34559123</p>
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