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59 results for “Developmental Biology”
FIGURE 25 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURE 25. Diagrammatic lateral views of heads of instars 2–4 of Centris bicornuta and instars 2 and 4 of Epicharis albofasciata drawn to approximate same size demonstrating changes in shape through developmental stages.
FIGURES 20–23 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURES 20–23. Microphotographs of spiracles of postdefecating and predefecating larvae: 20, 21. Centris bicornuta; 22, 23. Epicharis albofasciata, respectively.
FIGURES 12–15 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURES 12–15. Microphotographs of right mandibles: 12, 13. Centris bicornuta; 14, 15. Epicharis albofasciata, in maximum dorsal view and inner view, respectively.
FIGURES 4, 5 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURES 4, 5. SEM micrographs of cast exuviae of the abdomen of the first instar of Centris bicornuta on which were found fine, sharply pointed spicules extending as a row across body segments just above spiracular line, and rectangular area of figure 4, enlarged to show spicules (arrows) and spiracle, respectively.
FIGURES 16, 17 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURES 16, 17. Mature larvae of Epicharis albofasciata, lateral view, to same scale; scale line = 1.0 mm. 16. Postdefecating larva 17. Predefecating larva.
Fig. 49 in Morphology Of Developmental Stages Of Philonthus Fumarius (Gravenhorst, 1806) (Coleoptera, Staphylinidae) With Notes On Biology
Fig. 49. Number of eggs laid per day by 5 females of Ph. fumarius at 20±2°C.
Figs 33-35 in Morphology Of Developmental Stages Of Philonthus Fumarius (Gravenhorst, 1806) (Coleoptera, Staphylinidae) With Notes On Biology
Figs 33-35. Ph. fumarius, pupa. 33 = Ventral aspect; 34 = lateral aspect; 35 = dorsal aspect.
FIGURES 78–80 in Nesting and Developmental Biology of the Cleptoparasitic Bee Stelis ater (Anthidiini) and Its Host, Osmia chalybea (Osmiini) (Hymenoptera: Megachilidae)
FIGURES 78–80. Last larval instar of Osmia
FIGURES 23–29 in Nesting and Developmental Biology of the Cleptoparasitic Bee Stelis ater (Anthidiini) and Its Host, Osmia chalybea (Osmiini) (Hymenoptera: Megachilidae)
FIGURES 23–29. SEM micrographs of cocoons
FIGURES 18, 19 in Larval Anatomies, Eggs, and Developmental Biologies of Centris bicornuta and Epicharis albofasciata (Apoidea: Apidae)
FIGURES 18, 19. Head of mature larva of Epicharis albofasciata, frontal and lateral views.
Data from: Developmental biology of the early Cambrian cnidarian Olivooides
Fossilized embryos afford direct insight into the pattern of development in extinct organisms, providing unique tests of hypotheses of developmental evolution based in comparative embryology. However, these fossils can only be effective in this role if their embryology and phylogenetic affinities are well constrained. We elucidate and interpret the development of Olivooides from embryonic and adult stages and use these data to discriminate among competing interpretations of their anatomy and affinity. The embryology of Olivooides is principally characterized by the development of an ornamented periderm that initially forms externally and is subsequently formed internally, released at the aperture, facilitating the direct development of the embryo into an adult theca. Internal anatomy is known only from embryonic stages, revealing two internal tissue layers, the innermost of which is developed into three transversally arranged walls that partly divide the lumen into an abapertural region, interpreted as the gut of a polyp, and an adapertural region that includes structures that resemble the peridermal teeth of coronate scyphozoans. The anatomy and pattern of development exhibited by Olivooides appears common to the other known genus of olivooid, Quadrapyrgites, which differs in its tetraradial, as opposed to pentaradial symmetry. We reject previous interpretations of the olivooids as cycloneuralians, principally on the grounds that they lack a through gut and introvert, in embryo and adult. Instead we consider the affinities of the olivooids among medusozoan cnidarians; our phylogenetic analysis supports their classification as total-group Coronata, within crown-Scyphozoa. Olivooides and Quadrapyrgites evidence a broader range of life history strategies and bodyplan symmetry than is otherwise commonly represented in extant Scyphozoa specifically, and Cnidaria more generally.
Data from: Loggerhead sea turtle embryos (Caretta caretta) regulate expression of stress-response and developmental genes when exposed to a biologically realistic heat stress
Oviparous reptile embryos are expected to breach their critical thermal maxima if temperatures reach those predicted under current climate change models due to the lack the maternal buffering processes and parental care. Heat shock proteins (HSPs) are integral in the molecular response to thermal stress, and their expression is heritable, but the roles of other candidate families such as the heat shock factors (HSFs) have not been determined in reptiles. Here we subject embryonic sea turtles (Caretta caretta) to a biologically realistic thermal stress and employ de novo transcriptomic profiling of brain tissue to investigate the underlying molecular response. From a reference transcriptome of 302,293 transcripts, 179 were identified as differentially expressed between treatments. As anticipated, genes enriched in the heat shock treatment were primarily associated with the Hsp families, or were genes whose products play similar protein editing and chaperone functions (e.g. bag3, MYOC and serpinh1). Unexpectedly, genes encoding the HSFs were not significantly upregulated under thermal stress, indicating their presence in unstressed cells in an inactive state. Genes that were downregulated under thermal stress were less well functionally defined but were associated with stress response, development, and cellular organization, suggesting that developmental processes may be compromised at realistically high temperatures. These results confirm that genes from the Hsp families play vital roles in the thermal tolerance of developing reptile embryos, and in addition with a number of other genes, should be targets for evaluating the capacity of oviparous reptiles to respond adaptively to the effects of climate change.
Fig. 2 in Developmental Biology and Phenology of a Korean Native Dung Beetle, Copris ochus (Motschulsky) (Coleoptera: Scarabaeidae)
Fig. 2. Scale of tibial wear among field-collected C. ochus. Beetles with little or no tibial wear were taken to indicate recent emergence. (a) Unworn; (b) slightly worn; (c) worn.
FIGURES 37–40. Foreleg. 37, 38 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 37–40. Foreleg. 37, 38. First larval instar; 39. Second larval instar; 40. Third larva instar; 38. Seta on tarsungulus. Abbreviations: 1–31=setae, a–d=pores, CX=coxa, FE=femur, TB=tibia, TR=trochanter, TU=tarsungulus.
FIGURES 75–80. Adult. 75–76 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 75–80. Adult. 75–76. Habitus of Cafius nauticus in dorsal (75), ventral (76) aspect; 77–78. Aedeagus, lateral (77) and ventral (78) views; 79. Male abdominal tergite X. 79. Male abdominal sternite IX.
FIGURES 24–27. Antenna. 24–26 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 24–27. Antenna. 24–26. First larval instar; 27. Third larval instar; 24, 27. General appearance in dorsal aspect; 25. Apex of antennal article IV; 26. Region of sensory appendage of antennal article III. Abbreviations: 1–6=setae, a–d=pores, SA=sensory appendage, SO=solenidia.
FIGURES 19–23. First larval instar 19. Nasale, 20. Mandible, 21–23. Epipharynx. 21 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 19–23. First larval instar 19. Nasale, 20. Mandible, 21–23. Epipharynx. 21. Olfactory organs; 22. General appearance; 23. Long cuticular processes posteriorly. Abbreviations: 1–2=setae, a–b=pores, LT=lateral tooth, MT=median tooth, OG=olfactory organ, PMT=paramedian tooth.
FIGURES 52–59. Abdomen. 52–54, 58–59 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 52–59. Abdomen. 52–54, 58–59. First larval instar; 52. Abdominal tergites I and II; 53. Abdominal sternites I and II; 54. Fused paratergite and parasternite of abdominal segment I and II; 58. Spiracle; 59. Microstructure of abdominal tergite III; 55–57. Third larva instar; 55. Abdominal tergites I and II; 56. Abdominal sternites I and II; 57. Fused paratergite and parasternite of abdominal segment I and II. Abbreviations: 1–21=setae, a–d=pores, PS=parasternite, PT=paratergite, PTG=pretergal gland, S=sternite, SP=spiracle, T=tergite.
FIGURES 28–32. Maxilla. 28–31 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 28–32. Maxilla. 28–31. First larval instar; 32. Third larval instar; 28, 32. General appearance in dorsal aspect; 29. Apex portion of maxillary palp; 30. Region of digitiform sensory appendage of maxillary palp III; 31. Region of mala. Abbreviations: 1–11=setae, a–g=pores, CD=cardo, DSA=digitiform sensory appendage, MA=mala, PF=palpifer, SO=solenidia, ST=stipes.
FIGURES 13–18. Head. 13–17 in Descriptions of the developmental stages of Cafius nauticus (Fairmaire) (Coleoptera: Staphylinidae: Staphylininae), with comments on its biology
FIGURES 13–18. Head. 13–17. First larval instar; 13. Head in dorsal aspect; 14. Head in ventral aspect; 15–16. Seta on head; 17. Ventral tentorial pit; 18. Head of third larva instar in dorsal aspect. Abbreviations: 1–39=setae, a–k=pores, AP=apotome, E=epicranial part, EG=epicranial gland, GP=glandular pit, NA=nasale, P=posterior part, VTP=ventral tentorial pit.
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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)
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.