7,238 research outputs found
Two new species of genus Perspiria (Desmodoridae: Nematoda) from the Bohai Bay of China
No full textZhai, Hongxiu, Shi, Yifeng, Li, Ting, Sun, Jun (2023): Two new species of genus Perspiria (Desmodoridae: Nematoda) from the Bohai Bay of China. Journal of Natural History 57 (9-12): 490-502, DOI: 10.1080/00222933.2023.2198149, URL: http://dx.doi.org/10.1080/00222933.2023.219814
Figure 1 in Two new species of genus Perspiria (Desmodoridae: Nematoda) from the Bohai Bay of China
No full textFigure 1. Sampling sites in Bohai Bay, China.Published as part of Zhai, Hongxiu, Shi, Yifeng, Li, Ting & Sun, Jun, 2023, Two new species of genus Perspiria (Desmodoridae: Nematoda) from the Bohai Bay of China, pp. 490-502 in Journal of Natural History 57 (9-12) on page 491, DOI: 10.1080/00222933.2023.2198149, http://zenodo.org/record/792539
Perspiria macramphida Zhai & Shi & Li & Sun 2023, sp. nov.
No full text<i>Perspiria macramphida</i> sp. nov. <p>(Figures 2, 3; Table 1)</p> <p> <i>Holotype and paratype material</i></p> <p>Three males and two females were obtained from the subtidal zone of Bohai Bay. Holotype male and paratype female 1 on slide BHB16-(0-2)-10. Paratype male 2 on slide BHB16-(0-2)-9; paratypes male 3 and female 2 on slide BHB06-(2-5)-6.</p> <p> <i>Holotype and paratype locality and habitat</i></p> <p>Holotype male, paratype male 2 and female 1 were collected from Station BHB16: 38.589 N, 117.774 E; depth: 6 m; temperature: 14.9°C; salinity: 31.2 psu; silt sediment in the west of Bohai Bay. Other paratypes were collected from Station BHB06: 38.748 N, 118.504 E; depth: 21 m; temperature: 17.8°C; salinity: 31.596 psu; silt sediment in the middle of Bohai Bay.</p> <p> <i>Etymology</i></p> <p> The species name is from the Latin <i>macros</i> (great) and <i>amphid</i>, referring to its large amphideal fovea.</p> <p> <i>Measurements</i></p> <p>All measurement data are given in Table 1.</p> <p> <i>Description</i></p> <p> <i>Holotype male.</i> Body cylindrical with rounded anterior end. Cuticle striated, beginning from the middle of the amphideal fovea and ending at tail tip. Inner labial sensilla papilliform. Six outer labial sensilla setiform, about 2 μm long. Four cephalic setae about 10 μm long, located at the level of the anterior border of the amphideal fovea. Four subcephalic setae 8 μm long, located at anterior to posterior border of the amphideal fovea, about 10 µm from the cephalic setae (Figures 2 (a), 3(b)). Somatic setae not found. Amphideal fovea unispiral, longitudinal loop-shaped, 15 μm long and 12 μm wide, i.e. 60% of the corresponding body diameter, about 7 μm from the anterior end. Buccal cavity conical, with a small dorsal tooth. Pharynx cylindrical with a pyriform terminal bulb. Cardia small, conical. Nerve ring and excretory system not observed. Tail conico-cylindrical with prominent transverse striations except its terminal end, 4.3 times cloacal body diameter long. Three caudal glands present.</p> <p>Reproductive system with one outstretched testis. Spicules slender, arcuated with ventral velum, 1.9 times as long as cloacal body diameter. Proximal end enlarged, and distal end tapered. Gubernaculum 19 μm long, without apophysis. Sixteen papillary precloacal supplements, evenly spaced.</p> <p> <i>Females.</i> Similar to males in most morphological characters. Reproductive system didelphic, with two opposed and reflexed ovaries. Anterior ovary located to the right of intestine, posterior ovary to the left of intestine. Spermathecae not observed. Vagina straight, cuticularised, about 0.2 times vulval body diameters long. Vulva raised, situated on ventral side of mid-body, about 50% of body length from anterior end.</p> <p> <i>Differential diagnosis and discussion</i></p> <p>The present species is characterised by cuticle with annulations along the body, amphidial fovea unispiral, longitudinal loop-shaped, partially surrounded with cuticular striations (Figures 2 (a), 3(a)); conical buccal cavity with a dorsal tooth; pharynx with a pyriform terminal bulb; tail conico-cylindrical; spicules strongly curved with enlarged proximal end and ventral velum; 16 papillary precloacal supplements, evenly spaced.</p> <p> Among 11 known valid species within the genus, only <i>Perspiria flagellata</i> Vitiello, 1971 and <i>Perspiria papillata</i> Vincx and Gourbault, 1989 have precloacal supplements. The new species is most similar to <i>P. papillata</i> in having 15–16 precloacal supplements and the similar de Man ratio ̍a̾, ̍b̾. However, the new species can be distinguished from the latter species by the shape of the amphidial fovea (longitudinal loop-shaped vs circular); much longer spicules (53–61 µm vs 35 µm); and obviously shorter tail (c̾ = 3.6–4.3 vs 7.4). The new species is also similar to <i>P. megamphida</i> in having a relatively large amphidial fovea and relatively short tail length (shorter than 3 times cloacal body diameter in the latter species). However, the new species can be easily distinguished from the latter species by the shape of the amphidial fovea (longitudinal loop-shaped vs rounded), the presence of precloacal supplements (vs absence), spicules with ventral velum (vs absence), buccal cavity with tooth (vs absence) and much slenderer body (a = 49–59 vs 31.1). The difference between the new species and its congeners can be inferred from the key below.</p>Published as part of <i>Zhai, Hongxiu, Shi, Yifeng, Li, Ting & Sun, Jun, 2023, Two new species of genus Perspiria (Desmodoridae: Nematoda) from the Bohai Bay of China, pp. 490-502 in Journal of Natural History 57 (9 - 12)</i> on pages 493-496, DOI: 10.1080/00222933.2023.2198149, <a href="http://zenodo.org/record/7925394">http://zenodo.org/record/7925394</a>
AIM818057_Supplemental_material_SP4 – Supplemental material for Correlation between acupuncture dose and effectiveness in the treatment of knee osteoarthritis: a systematic review
No full textSupplemental material, AIM818057_Supplemental_material_SP4 for Correlation between acupuncture dose and effectiveness in the treatment of knee osteoarthritis: a systematic review by Ning Sun, Jian Feng Tu, Lu Lu Lin, Yong Ting Li, Jing Weng Yang, Guang Xia Shi, Li Xing Lao and Cun Zhi Liu in Acupuncture in Medicine</p
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AIM818057_Supplemental_material_SP2 – Supplemental material for Correlation between acupuncture dose and effectiveness in the treatment of knee osteoarthritis: a systematic review
No full textSupplemental material, AIM818057_Supplemental_material_SP2 for Correlation between acupuncture dose and effectiveness in the treatment of knee osteoarthritis: a systematic review by Ning Sun, Jian Feng Tu, Lu Lu Lin, Yong Ting Li, Jing Weng Yang, Guang Xia Shi, Li Xing Lao and Cun Zhi Liu in Acupuncture in Medicine</p
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AIM818057_Supplemental_material_SP1 – Supplemental material for Correlation between acupuncture dose and effectiveness in the treatment of knee osteoarthritis: a systematic review
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sj-pdf-1-asu-10.1177_00031348211063549 – Supplemental Material for A Model Based on Artificial Intelligence Algorithm for Monitoring Recurrence of HCC after Hepatectomy
No full textSupplemental Material, sj-pdf-1-asu-10.1177_00031348211063549 for A Model Based on Artificial Intelligence Algorithm for Monitoring Recurrence of HCC after Hepatectomy by Li-Yue Sun, Qing Ouyang, Wen-Jian Cen, Fang Wang, Wen-Ting Tang, and Jian-Yong Shao in The American Surgeon</p
sj-pdf-2-asu-10.1177_00031348211063549 – Supplemental Material for A Model Based on Artificial Intelligence Algorithm for Monitoring Recurrence of HCC after Hepatectomy
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