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- Kondo Masakazu
Kondo Masakazu
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Journal of National Fisheries University Volume 69 Issue 2
pp. 41 - 49
published_at 2021-02
Creators :
Kondo Masakazu
Yasumoto Shinya
Matsubara Hajime
Publishers : National Fisheries University
Journal of National Fisheries University Volume 69 Issue 2
pp. 51 - 57
published_at 2021-02
Creators :
Kondo Masakazu
Watanabe Riho
Tachibanagi Keito
Kimura Takehiro
Yasumoto Shinya
Publishers : National Fisheries University
Journal of National Fisheries University Volume 69 Issue 3
pp. 59 - 64
published_at 2021-03
Journal of National Fisheries University Volume 69 Issue 3
pp. 65 - 68
published_at 2021-03
Creators :
Kondo Masakazu
Kurita Masaki
Kitamura Hiroki
Yasumoto Shinya
Publishers : National Fisheries University
Journal of National Fisheries University Volume 69 Issue 3
pp. 69 - 73
published_at 2021-03
Creators :
Kondo Masakazu
Watanabe Riho
Tachibanagi Keito
Kimura Takehiro
Yasumoto Shinya
Publishers : National Fisheries University
Journal of National Fisheries University Volume 69 Issue 4
pp. 103 - 107
published_at 2021-03
Creators :
Kondo Masakazu
Kimura Takehiro
Yoshikawa Hiroyuki
Yasumoto Shinya
Publishers : National Fisheries University
Journal of National Fisheries University Volume 70 Issue 4
pp. 125 - 148
published_at 2022-03
Two types of stratified [two-layer; inner layer (L0) and outer layer (L1)] granules were observed in the neutrophils (neutrophil granule, NG: type 1, NG1a; type 2, NG2) of larva (ammocoetes) of far eastern brook lamprey Lethenteron reissneri collected in a tributary of the Koyagawa River in Yamaguchi Prefecture. The NG1a consisted of chromophobic L0 and chromatophilic L1. On the other hand, the NG2 had chromatophilic L0 and chromophobic L1. The L1 of NG1a and L0 of NG2 showed a variety of colors [eosinophilic or basophilic (orthomethylenophilic or metaazurophilic)] depending on the staining conditions. These layers were positive for alkaline phosphatase, α-naphtyl acetate esterase and Sudan black B. Some enzymes, such as acid phosphatase, ꞵ-glucuronidase, and naphthol AS-D chloroacetate esterase were detected in the L0 of NG2. The neutrophils lacked α-naphtyl butyrate esterase and peroxidase.
Journal of National Fisheries University Volume 70 Issue 4
pp. 149 - 163
published_at 2022-03
Two types of stratified granules (two-layer) were observed in the eosinophils (eosinophil granule. EG: type 1, EG1; type 2, EG2) of larva (ammocoetes) of far eastern brook lamprey Lethenteron reissneri collected in a tributary of the Koyagawa River in Yamaguchi Prefecture. The EG1 consisted of inner eosinophilic layer (L0) and chromophobic outer layer (L1). Dark (low light transmittance) inclusion structure (IS), which was various size and morphology (round, oval, rod, or spindle), was observed in the L0 of many EG1 (only one IS in a EG1). The IS was found in the cytochemical staining preparation, but not in the preparation stained with May-Grunwald (MG), Giemsa and MG•Giemsa. Therefore, recognition of IS was affected with the eosin-stained L0 of EG1. The EG1 classified into three subtypes (EG1a, EG1b and EG1c) based on the optical artificial image (OAI) of IS in L0. The EG1a had no OAI (probably no IS). The OAI of both EG1b and EG1c were larger than IS. The former was round or oval chromophobic area (OAI-1), and latter was expanded and rugged (threedimensional) image (OAI-2; chromophobic; round, oval, or rod). The EG1a may be prototype of EG1. The EG1 showed no positive reaction by various cytochemical stains. The EG2 had chromophobic inner layer (L0) and basophilic (orthomethylenophilic) outer layer (L1). Some enzymes (alkaline phosphatase, acid phosphatase, ꞵ-glucuronidase, α-naphtyl acetate esterase, naphthol AS-D chloroacetate esterase) were detected in L0 of EG2. The eosinophils lacked α-naphtyl butyrate esterase and peroxidase.