نتایج جستجو برای: denticles
تعداد نتایج: 233 فیلتر نتایج به سال:
Odontomas are the most common type of odontogenic tumors and account for approximately 22% of maxillary odontogenic tumors [1-3]. They are considered to be developmental anomalies rather than true neoplasms [4]. They are generally asymptomatic [1]. The term odontoma was coined by Paul Broca in 1867. The World Health Organization (WHO) 2005 has categorized odontomas based on the histopathologica...
Introduction: Pulp stones more often occur in molars than in premolars and incisive. The intention of the study is to determine the prevalence of dental pulp stones occurrence in accordance with the side. Materials and Methods: The study was conducted at the University Dental Clinic Centre in Skopje and random samples of 150 patients aged between 20-60 years. Were included 3108 teeth, 623 teeth...
A new species of the genus Pleuroxus Baird (Cladocera: Anomopoda: Chydoridae) is described from Jeju Island, South Korea. P. jejuensis sp. nov. is the closest relative of the aduncus-like species from southern hemisphere instead of P. aduncus s. str. It shares with P. wittsteini Studer, 1878 in: (1) brown colour; (2) absence of denticles on postero-ventral portion of valve; (3) unusually short ...
This study characterises morphologically Trichodina heterodentata Duncan, 1977 from channel catfish, Ictalurus punctatus (Rafinesque, 1818) in the State of Santa Catarina, Brazil. Body and gill smears were air-dried at room temperature, impregnated with silver nitrate and/or stained with Giemsa. Ten characteristics were selected to compare the present material with other morphological character...
Certain Drosophila embryonic epidermal cells construct actin-based protrusions, called denticles, which exhibit stereotyped, column-specific differences in size, density and hook orientation. This precise denticle pattern is conserved throughout all drosophilids yet studied, and screening for mutations that affect this pattern has been used to identify genes involved in development and signalin...
A new genus Sundageophilus is here described for two new species of geophilid centipedes (Chilopoda: Geophilidae) from Sumatra, Indonesia. Both Sundageophilus bidentatus sp. n. and Sundageophilus poriger sp. n. feature a minute body size (less than 1 cm long with 31-35 pairs of legs), a similar structure of the maxillae, elongated forcipules, and few coxal organs. Sundageophilus bidentatus is u...
The extinct Devonian placoderms (armoured jawed fishes) [1,2] are central to the question of tooth origins, because some have denticulate ‘toothplates’ within the mouth cavity. A key question is whether these gnathal plates were modified from external dermal bones, or had ‘denticles’ representing true teeth with pulp cavities [3, fig. 2h]. The recent contribution by Rücklin & Donoghue [4] confu...
The Batu Kumbung Fish Seed Center (BBI) is such an installation and under the auspices of Marine Fisheries Service West Nusa Tenggara Province, which was established in 1959, located Village, Linggsar District, Lombok Regency. problem that often experienced by fish farmers emergence disease attacks, one Trichodina sp. purpose this study to detect presence sp ectoparasites catfish (Clarias garie...
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