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514 results for “North Carolina”
FIGURE 9 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 9. Kuma flava sp. nov.; reconstructions to show arrangement of organs. A. Dorsal reconstruction of whole organism. B. Frontal reconstruction of reproductive structures. cs, digestive central syncytium; e, egg; fg, frontal gland; m, mouth; ma, male antrum; mg, mucoid glands; n, nucleus; rh, rhabdoid gland; sp, sperm; st, statocyst; sv, seminal vesicle; t, testes.
FIGURE 13 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 13. Proporus carolinensis sp. nov.; sagittal reconstruction to show arrangement of organs. cs, digestive central syncytium; e, egg; fg, frontal gland; m, mouth; ma, male antrum; ph, pharynx; rh, rhabdoid gland; st, statocyst; sv, seminal vesicle; t, testes.
FIGURE 16 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 16. Photomicrographs of living specimens collected from Lockwoods Folly Inlet, North Carolina. A. Polychoerus caudatus. B. Flagellophora apelti.
FIGURE 15 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 15. Proporus carolinensis sp. nov.; photomicrographs. A, B. Sagittal histological sections. C, D. wholemount stained with Alexa488labeled phalloidin and viewed with confocal microscopy. C. Focus on ventrolateral bodywall musculature and mouth. D. Focus on musculature of pharynx. ma, male antrum; sv, seminal vesicle; t, testes.
FIGURE 10 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 10. Kuma flava sp. nov.; photomicrographs of living specimen. A. Wholemount. B. Dorsal view of posterior. e, egg; ma, male antrum; mg, mucoid glands; sv, seminal vesicle.
FIGURE 14 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 14. Proporus carolinensis sp. nov.; photomicrographs of living specimen. A. Ventral view of of whole animal. B. Rhabdoid glands.
FIGURE 8 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 8. Conaperta earnhardti sp. nov.; wholemount stained with Alexa488labeled phalloidin and viewed with confocal microscopy. A. Projection of ventral bodywall musculature. For explanation of muscle patterns see Hooge (2001). B. Projection of musculature associated with reproductive organs. C. Projection showing penis musculature inside of seminal vesicle. cm, circular muscles; cop, male copulatory aparatus; lpm, longitudinal penis muscle; m, mouth; p, penis; sph, muscular sphincter surrounding vagina; u, Ushaped muscles; vcm, ventral crossover muscles.
FIGURE 12 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 12. Pseudohaplogonaria cerasina sp. nov.; photomicrographs. A. Dorsal view of living specimen. B. Dorsal view of posterior of living specimen. C. Rhabdoid glands. D. Sagittal view of reproductive organs in living specimen. bn, bursal nozzle; cv, chordoid vacuole; p, penis; sb, seminal bursa; sp, sperm.
FIGURE 7 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 7. Conaperta earnhardti sp. nov.; photomicrographs. A. Ventral view of living specimen. B. Sagittal view of reproductive organs in living specimen. C. Sagittal histological section. bn, bursal nozzle; e, egg; p, penis; sb, seminal bursa; sph, muscular sphincter surrounding vagina; sv, seminal vesicle.
FIGURE 2 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 2. Anaperus singularis sp. nov.; photomicrographs of living specimen. A. Wholemount. B. Focus on epidermal cells and mucoid glands. C. Gland secretions in body wall. D. Dorsal view of posterior. a, adenodactyls; bn, bursal nozzle; cop, male copulatory apparatus; e, egg; mg, mucoid glands; sb, seminal bursa; sp, sperm.
FIGURE 5 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 5. Diopisthoporus lofolitis sp. nov.; photomicrographs. A. Dorsal view of whole animal. B. Frontal histological section of whole animal. C. Lateral view of wholemount stained with Alexa488labeled phalloidin and viewed with confocal microscopy. e, egg; fg, frontal gland; fsv, false seminal vesicle; ma, male antrum; ph, pharynx; sp, sperm; st, statocyst; sv, seminal vesicle.
FIGURE 3 in New acoels (Acoela, Acoelomorpha) from North Carolina
FIGURE 3. Anaperus singularis sp. nov.; photomicrographs. A. Sagittal histological section. B. Sagittal histological section of posterior. C. Wholemount stained with Alexa488labeled phalloidin and viewed with confocal microscopy. Projection of musculature associated with male copulatory organ. a, adenodactyl; bn, bursal nozzle; cop, male copulatory apparatus; e, egg; mg, mucoid glands; p, penis; sb, seminal bursa; sp, sperm.
FIGURE 5 in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 5. Pilaridrilus uliginosus, sagittal sections of penial structures. A. Whole structure, penis retracted. B. Ental end of structure, penis retracted. C. Ectal part of atrial duct, with retracted lining of penis. D. Whole structure, penis partly extended into chamber. E. Ental end of penial structure, showing expanded end of atrial duct and base of extended penis. F. Partially extended penis, folded within chamber. Scale bars: 100 μm.
FIGURE 6. Martinidrilus carolinensis. A in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 6. Martinidrilus carolinensis. A. External view of whole worm. B. Sagittal view of head, showing pharyngeal pad. C. Chaetae, from top to bottom: a dorsal pair from segment IV, a ventral pair from XV, and a single chaeta from a posterior segment near the tail. D. Dorsal blood vessel in about XXV, with short papillae. E. Blood vessels in about segment LX, showing short lateral vessels branching off the dorsal vessel, and short vessels connecting ventral vessel to the perivisceral sinus. F. Reproductive segments. G. Spermatheca. Scale bars: A 1mm; C 50 μm; G 100 μm.
FIGURE 8. Martinidrilus carolinensis. A in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 8. Martinidrilus carolinensis. A. Nephridial vesicle at nephropore. B. Spermathecal pore. C. Spermathecal ampulla, sagittal section. D, E. Male pores, sagittal sections. F. Sagittal section showing end of common duct joined by the two vasa deferentia. G, H. Transverse sections showing junction of common duct to atrial ampulla. I. Atrial ampulla and prostates, transverse section near middle. All to the same scale; scale bars: 100 μm.
FIGURE 9. Martinidrilus arenosus. A in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 9. Martinidrilus arenosus. A. Dorsolateral view of a whole worm (note worm was cleared, so ventral chaetae are underneath). B. Short lateral vessels branching off the dorsal vessel in two posterior segments. C. Reproductive segments (gonads not shown). D. Spermathecae in VII (left) and VIII. E. Male ducts and atrium. F. Atrium and male pore of an unmated worm, Drowning Creek. G. Atrium and male pore of a mated worm from Pettiford Creek. Scale bars: A 1 mm; B 50 μm; C 400 μm; D, E 200 μm; F, G 100 μm.
FIGURE 7 in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 7. Martinidrilus carolinensis; drawings of male ducts from dissected specimens. A, B. Vasa deferentia and atria of two specimens from the type locality. C. Male pore, atrium and common duct of a specimen from the type locality; sagittal view. D. Atrium of the specimen from Peaks of Otter area, Virginia. Scale bars: 100 μm.
FIGURE 2. Pilaridrilus uliginosus. A in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 2. Pilaridrilus uliginosus. A. Genital segments of a contracted worm (fixed in alcohol), showing the normal positions of reproductive organs: male pores in X (GII), spermathecal pores in XV (covered by atrium, but three segments behind the theoretical GIV). B. Reproductive organs of a worm fixed in Bouin's solution (in two parts); note that despite the forward shift of male and spermathecal pores by two segments, the spermathecal pores are still three segments behind the theoretical GIV in this atypical specimen. C–E. Penial structures: a Bouin's-preserved worm, with penis withdrawn into the atrial duct (C); an alcohol-preserved worm, with penis extended into the penial chamber (D), and with penis extended beyond the male pore (E). Scale bars: A, B 500 μm; C–E 200 μm.
FIGURE 4 in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 4. Pilaridrilus uliginosus, atria and vasa deferentia. A. Vas deferens above and separate from atrial muscle layer, near midpoint of ampulla. B. Vas deferens embedded in atrial muscle layer (between longitudinal and circular layers), near ental end of ampulla. C. Vas deferens embedded in circular muscle layer of atrium near ectal 1/3 of ampulla, near point of entry into lumen (worm directed to left). D. Atrial muscle layers, showing lenticular openings for prostate ducts. E. Prostate glands. F. Prostate duct penetrating both muscle layers; sagittal view. All to the same scale; scale bars: 50 μm.
FIGURE 1. Pilaridrilus uliginosus. A–B in Two new genera of Lumbriculidae (Annelida, Clitellata) from North Carolina, USA
FIGURE 1. Pilaridrilus uliginosus. A–B. Whole worms; fixed in Bouin's solution (A), and in alcohol, with penes extruded (B). C. Chaetae: from left to right, a ventral pair from VI, a dorsal pair from XVIII, and a pair from a posterior segment. D. Dorsal blood vessel and branched lateral blood vessels in two posterior segments. Scale bars: A 1 mm; B–C 100 μm.
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OpenNeuro
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