• Title/Summary/Keyword: Cephalic

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Dendrodasys duplus, a New Gastrotrich Species (Macrodasyida: Dactylopodolidae) from South Korea

  • Lee, Jimin;Chang, Cheon Young;Kim, Dongsung
    • Animal Systematics, Evolution and Diversity
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    • v.30 no.2
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    • pp.103-107
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    • 2014
  • A new gastrotrich species of the genus Dendrodasys (Dactylopodolidae) is described on the basis of specimens collected from sublittoral fine sandy bottoms at Uljin, East Sea and at Gujwa, the northeastern coast of Jeju Island, South Korea. Dendrodasys duplus is characterized by a triangular head with lateral lobes extending outward, two pairs of pestle organs posterior to the lateral cephalic lobes, a pair of anterior adhesive tubes, the absence of dorsal, lateral and ventral adhesive tubes, large posterior adhesive tubes arising from the anterior third of the caudal peduncle, and paired testes of different lengths. The genus Dendrodasys is recorded for the first time in East Asia.

Redescription of Free-Living Marine Nematode, Dracograllus filipjevi Allen and Noffsinger, 1978 (Nematoda: Draconematidae) from Korea

  • Rho, Hyun-Soo;Kim, Dong-Sung;Kim, Won
    • Ocean Science Journal
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    • v.41 no.3
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    • pp.163-173
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    • 2006
  • A draconematid nematode species, Dracograllus filipjevi Allen and Noffsinger, 1978, is described from the washings of shallow littoral coralline algae at Guryongpo in the eastern coast of Korea. This species is recognized by the following characteristics: larger body size, number of posterior sublateral adhesion tubes (9 in male and 12-13 in female) and subventral adhesion tubes (8-9 in male and 9-10 in female), the absence of cephalic acanthiform setae on rostrum, the presence of longitudinally areolated body cuticle with dot-like punctations, the presence of some cuticular collar in swollen pharyngeal region, the shape of amphidial fovea (large, elongate, and loop-shaped in both sexes), the absence of preanal corniform setae, and the absence of lateral differentiation on narrow body region. Morphological features of the species using differential interference contrast photomicrographs are described in detail in the present work. The is the first report of D. filipjevi in Korea.

Crasiella clauseni, a New Gastrotrich Species (Macrodasyida, Planodasyidae) from Jeju Island, South Korea

  • Lee, Ji-Min;Chang, Cheon-Young
    • Animal Systematics, Evolution and Diversity
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    • v.28 no.1
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    • pp.42-47
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    • 2012
  • A new gastrotrich species of the genus Crasiella (Planodasyidae) is described from the sublittoral sandy bottom of Jeju Island, South Korea. The family Planodasyidae and the genus Crasiella are recorded for the first time from East Asia. Crasiella clauseni n. sp. differs from its congeneric species by the combination of characters: absence of cephalic sensory pits; unseparated arrangement of anterior tubes and ventrolateral tubes, comprising about 120 adhesive tubes along whole body length; 5-7 horizontal rows of adhesive tubes and a pair of TbV in the anterior part of pharyngeal region; bifid pedicles with 8-11 posterior adhesive tubes; and tube-shaped seminal receptacle and copulatory organ. This paper deals with description of the new species, and provides a key to the species of genus Crasiella.

A new free-living marine nematode species of the genus Phanoderma Bastian, 1865(Enoplida: Phanodermatidae) from the East Sea, Korea

  • Lee, Hyo Jin;Rho, Hyun Soo
    • Korean Journal of Environmental Biology
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    • v.37 no.3
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    • pp.396-405
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    • 2019
  • A new species of free-living marine nematode is described from intertidal sediments of the East Sea, Korea. Phanoderma koreense sp. nov. is characterized by the presence of well-developed pharyngeal and cephalic capsule, six inner labial sensilla present as minute papillae around with circular groove, long and slender spicules with 4-5 serrated distal end, located at the base of the precloacal supplement, a series of eight to nine stout and short setae on the ventral cloacal region and conico-cylindrical tail with two pairs of blunt setae. In this study, we provide taxonomic descriptions and illustrations of a new species by differential interference contrast microscope and a pictorial key to the valid species of Phanoderma Bastian, 1865. This is the first record of the genus Phanoderma in the East Sea, Korea.

First Record of the Jawfish Stalix toyoshio (Perciformes: Opistognathidae) from the South Sea, Korea

  • Oh, Jin-A;Kim, Sung;Kim, Byung-Jik
    • Ocean and Polar Research
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    • v.30 no.3
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    • pp.347-349
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    • 2008
  • A single juvenile of the jawfish Stalix toyoshio (24.0 mm standard length) was collected from the South Sea of Korea at a depth of 135 m during box-corer sampling. The specimen was characterized by the absence of stripes on both the body and vertical fins, well-developed cephalic pore systems, yellowish body and fins, six transversely-forked dorsal fin spines, and five mandibular pores. Here, we describe the specimen, which represents the first record of S. toyoshio from Korea and the second record from the northwestern Pacific.

Prevalence of Babesia spp. in dogs of Seogwipo-si, Jeju-do, South Korea

  • Oh, Seung-Tae;Woo, Ho-Choon
    • Korean Journal of Veterinary Service
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    • v.32 no.4
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    • pp.377-380
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    • 2009
  • Dogs with canine babesiosis may present with wide variation in the severity of clinical signs, ranging from a hyperacute, shock-associated, hemolytic crisis to an inapparent, subclinical infection. Dogs typically present with the acute form of babesiosis, which is characterized by general findings such as pyrexia, weakness, mucous membrane pallor, depression, hemorrhagic anemia. This study was conducted to investigate the prevalence of babesia spp. infection in dogs of Seogwipo-si. A survey of canine babesia spp. infections among 173 dogs in Seogwipo-si was performed from July 2008 to August 2008. Blood samples were collected from dogs raised outdoors through cephalic or jugular vein and Babesia spp. was diagnosed by examination of blood smear stained with Giemsa stain. Of 173 dogs, 9 dogs (5.2%) were infected with the babesia spp. This result was a little lower than the prevalence of Babesia spp. in dogs of other areas.

A New Gastrotrich Species of the Genus Ptychostomella (Macrodasyida, Thaumastodermatidae) from South Korea

  • Lee, Ji-Min;Hwang, Ui-Wook;Chang, Cheon-Young
    • Animal cells and systems
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    • v.13 no.1
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    • pp.25-30
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    • 2009
  • A new marine gastrotrich species, Ptychostomella jejuensis n. sp. belonging to the family Thaumastodermatidae, is described on the basis of the specimens from subtidal sand bottom at about 6-7 m depth of Jeju Island, South Korea. Ptychostomella jejuensis n. sp. is distinguished from its congeneric species with smooth cuticular armature by the character combination: (1) small body up to about 160 ${\mu}m$ in length; (2) presence of knob-like cephalic tentacles; (3) absence of dorsal and ventral adhesive tubes; (4) bifid pedicles; (5) pyriform copulatory organ. Under scanning electron microscopy, numerous epidermal gland openings were observed in the new species, characteristically flanking a bristle. Taxonomic accounts on the affinities, some brief remarks on the epidermal gland openings and the cooccurrence with P. orientalis Lee and Chang, 2003 are also presented with detailed illustrations and scanning electron photomicrographs.

The First Record of Long Headed Eagle Ray, Aetobatus flagellum (Pisces: Myliobatidae) from Korea

  • Oh, Ji-Na;Kim, Sung;Kim, Choong-Gon;Soh, Ho-Young;Jeong, Da-Wa;Lee, Youn-Ho
    • Ocean Science Journal
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    • v.41 no.1
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    • pp.53-57
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    • 2006
  • A specimen of Aetobatus flagellum was collected at Uljin in June 2005 for the first time in Korea. This specimen is characterized by the cephalic fin, the long snout, the dorsal fin between pelvic fins, spiracles on the dorsal side of the disc, the deeply notched nasal curtain and the one row of the teeth in the lower and the upper jaws. And unlike Aetobatus narinari, it does not have any spots on the its dorsal side of the disc. We report this specimen as the first record from Korea and name it 'Bak-jui-ga-o-ri' in Korean.

Mondor's Disease Developed after Ultrasound-assisted Liposuction for Treatment of Axillary Bromhidrosis

  • Lee, Hee Jong;Kim, Eun Key
    • Archives of Reconstructive Microsurgery
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    • v.23 no.1
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    • pp.33-35
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    • 2014
  • Mondor's disease is an uncommon condition characterized by a palpable, cord-shaped structure, which causes pain when pressed. Its known pathophysiology is thrombophlebitis of the superficial venous system. Although reported repeatedly, its definite cause is unknown and various possible causes have been identified, including surgery, irradiation, infection, malignancy, and trauma. We diagnosed this case to be Mondor's disease of the antecubital venous system, probably due to thermal injury of the proximal tributaries of the basilic or cephalic vein. Risk of thermal injury to the skin flap or the portal site remains a common complication, and as thermal injury to the blood vessel might also be considered, attention must be given when suctioning the area near a large superficial vessel.

First Record of a Snailfish, Careproctus notosaikaiensis (Scorpaeniformes: Liparidae) from Korea

  • Ji, Hwan-Sung;Park, Jeong-Ho;Ban, Tae-Woo;Kim, Jin-Koo
    • Animal Systematics, Evolution and Diversity
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    • v.28 no.4
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    • pp.308-311
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    • 2012
  • A single specimen (134.3 mm standard length) of a snailfish, Careproctus notosaikaiensis was collected from a fish trap in Goseong-gun, Gangwon-do, East Sea, Korea. It is characterized by having the teeth strongly trilobed; dorsal fin rays 52; anal fin rays 47; pectoral fin rays 35; caudal fin rays 10; vertebrae 58; ribs 2 pairs; cephalic pores, 2-6-7-2; gill slit extending to the fifth pectoral fin ray; chin pores paired and equal in size; dorsal and anal fins with distinct reddish margins. We describe this species as the first record to Korea, and proposed the new Korean name, "Dong-hae-bun-hong-ggom-chi" for this species.