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221 results for “Acoela”
FIGURE 12 in Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil, and a systematic revision of the family Otocelididae
FIGURE 12. Kuma asilhas sp. nov.; whole-mount stained with Alexa-488-labeled phalloidin and viewed with confocal microscopy. A. Projection of anterior ventral body-wall musculature. B. Projection of male antrum musculature.
FIGURE 13 in Acoela (Acoelomorpha) from the northern beaches of the state of São Paulo, Brazil, and a systematic revision of the family Otocelididae
FIGURE 13. Archaphanostoma marcusi sp. nov.; photomicrographs of a living specimen. A. Dorsal view of squeezed specimen. B. Dorsal view of copulatory organs.
FIGURE 23 in Convolutidae (Acoela) from Belize
FIGURE 23. Polychoerus parvus sp. nov.; whole mount stained with Alexa-488-labeled phalloidin and viewed with confocal microscopy. A. Projection of male and female copulatory organs. Arrowhead points to female gonopore. B. Projection of ventral body-wall musculature. Arrowheads point to longitudinal muscles of caudal filaments. C. Dorsal view of caudal filament.
FIGURE 22 in Convolutidae (Acoela) from Belize
FIGURE 22. Polychoerus parvus sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through male and female copulatory organs and median caudal filament. B. Section through ventral body wall along lateral margin with numerous papillae.
FIGURE 21 in Convolutidae (Acoela) from Belize
FIGURE 21 Polychoerus parvus sp. nov.; photomicrographs of living specimen with Normanski. A. Dorsal view of whole adult specimen. White arrowhead points to statocyst, black arrow to oocytes, black arrowhead to sperm. B. View of male and female copulatory organs. Arrow points to female gonopore and ciliated vagina, arrowhead to male gonopore. Note the circular penis muscles.
FIGURE 20 in Convolutidae (Acoela) from Belize
FIGURE 20. Polychoerus ebenhochi sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through length of body. Asterisk marks location of statocyst. B. Sagittal section through vagina. Arrowhead points to opening of vagina to seminal bursa. C. Sagittal section through male copulatory organ. Arrowhead points to duct for sperm within glandular tissue.
FIGURE 19 in Convolutidae (Acoela) from Belize
FIGURE 19 Polychoerus ebenhochi sp. nov.; photomicrograph of living specimen. View of male and female copulatory organs. Arrow points to female gonopore, arrowheads point to some of the bursal nozzles.
FIGURE 18 in Convolutidae (Acoela) from Belize
FIGURE 18 Polychoerus ebenhochi sp. nov.; photomicrographs of living specimens. A. Dorsal view of whole adult specimen in reflected light. B. Dorsal view of whole juvenile specimen. Arrowhead points to ocellus.
FIGURE 6 in Convolutidae (Acoela) from Belize
FIGURE 6. Conaperta antonii sp. nov.; reconstructions to show arrangement of organs. A. Sagittal reconstruction of whole specimen. Arrowheads point to parenchymal muscles in body-midline. B. Frontal reconstruction showing ventral view of copulatory organs. Arrowheads point to openings for sperm in proximal and lateral part of penis sac. C. Sagittal reconstruction of male copulatory organ.
FIGURE 13 in Convolutidae (Acoela) from Belize
FIGURE 13. Convoluta lacrimosa sp. nov.; whole mounts stained with Alexa-488-labeled phalloidin and viewed with confocal microscopy. A. Projection of male and female copulatory organs. Arrow points to vagina, arrowheads point to openings for sperm in penis sac. B. Projection of female copulatory organ. C. Projection of the distal ends of penis and penis sac where they meet body-wall muscles. Arrow points to circular penis muscle, arrowhead to longitudinal penis muscle.
FIGURE 12 in Convolutidae (Acoela) from Belize
FIGURE 12. Convoluta lacrimosa sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through length of body. B. Section through male copulatory organ. Black arrows point to distal parts of gland cells inside penis sac, black arrowheads to proximal parts outside penis sac, white arrow points to vesicles in the penis epithelium. C. Section through bursal nozzle tissue.
FIGURE 17 in Convolutidae (Acoela) from Belize
FIGURE 17. Picola caribbea sp. nov.; whole mounts stained with Alexa-488-labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral body-wall musculature. Arrow points to mouth opening, arrowhead to bursal nozzle. B. Dorsal projection of male and female copulatory organs. Arrow points to muscle fibers. C. Projection of the male copulatory organ. Arrows point to muscle fibers, arrowhead points to sclerotized penial structure.
FIGURE 3 in Convolutidae (Acoela) from Belize
FIGURE 3. Amphiscolops blumi sp. nov.; whole mount stained with Alexa-488-labeled phalloidin and viewed with confocal microscopy. A. Projection of male and female copulatory organs. Arrowheads point to parenchymal muscles, which attach to body wall. B. Projection of ejaculatory duct. Arrowheads point to parenchymal muscles.
FIGURE 9 in Convolutidae (Acoela) from Belize
FIGURE 9. Conaperta cirrata sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through male copulatory organ. Asterisk marks common genital atrium, arrow points to spongy tissue filling penis sac, arrowhead points to burst gland cells at proximal end of penis. B. Detail showing the lining darkly stained gland necks and musculature of penis.
FIGURE 4 in Convolutidae (Acoela) from Belize
FIGURE 4. Conaperta antonii sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. B. Dorsal view of male and female copulatory organs.
FIGURE 15 in Convolutidae (Acoela) from Belize
FIGURE 15. Picola caribbea sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through length of body. B. Section through female copulatory organ. C. Section through male copulatory organ. Arrowhead points to sclerotized penial structure.
FIGURE 2 in Convolutidae (Acoela) from Belize
FIGURE 2. Amphiscolops blumi sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through length of body. Arrowhead points to female gonopore. B. Section through female and male copulatory organs. C. Section through male antrum. Arrow points to muscle, arrowhead to cilia. D. Section through ejaculatory duct. Arrowhead points to cilia.
FIGURE 1 in Convolutidae (Acoela) from Belize
FIGURE 1. Amphiscolops blumi sp. nov.; photomicrographs of living specimen. A. Dorsal view of whole specimen. Arrow points to spot of black concrements, black arrowhead to male copulatory organ, white arrowhead to seminal bursa, asterisk marks a crustacean in the digestive syncytium. B. Dorsal view of part of the male copulatory organ. Arrowheads point to gland cells. C. Star-shaped pattern of concrements in epidermis.
FIGURE 16 in Convolutidae (Acoela) from Belize
FIGURE 16. Picola caribbea sp. nov.; reconstructions to show arrangement of organs. A. Dorsal reconstruction of whole specimen. B. Sagittal reconstruction of whole specimen. Oocytes and testes are shown, but lie not in body midline.
FIGURE 5 in Convolutidae (Acoela) from Belize
FIGURE 5. Conaperta antonii sp. nov.; photomicrographs of sagittal histological sections stained with toluidine blue. A. Section through length of body. Arrows point to mucous gland cells, arrowheads to parenchymal muscles in bodymidline. B. Section through female and male copulatory organs.
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