Có 100+ tài liệu thuộc chủ đề "tài liệu chăn nuôi"
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ARTHRO: Insecta) A structure of the tarsus. dauer larvae ( NEMATA ) A quiescent stage entered by some parasitic larvae while enclosed in the cast cuticle of the previous stage.. death, death] Irreversible cessation of the ac- tivities and breakdown of the structure of protoplasm.. cortex, bark] To divest of the exterior coating. deprived of the cortex or outer coat.....
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facial angle ( ARTHRO: Insecta) The angle formed by the point of union of the face and vertex.. facial carina ( ARTHRO: Insecta) One of the carinae of the frontal costa and of the accessory carinae of the face. In Orthoptera, one of the accessory carinae. For Diptera, the middle of the face. facial plate ( ARTHRO: Insecta) In Diptera,...
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ARTHRO: Chelicerata) A move- able process on the digit of the chelicera of pseudoscorpi- ons, used to spin silken cocoons for protection during molting, hibernation, or the brooding of eggs. Crustacea) Outer distal hoodlike lobe of the second seg- ment of the maxillula. The outer lobe of the maxilla borne by the stipes. Sexual stage of the malarial parasite in...
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prioceptors that are involved in the normal bearing of the limbs. also involved for measuring the vector of external forces, and contributing to orientation of the animal. A pad on the compound eyes of the honey bee and between the eyes of locusts controlling the self-generated flight speed.. CNID ) The basal tube portion of the. hamular hook ( ARTHRO:...
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I-band That zone of the sarcomere composed of actin alone.. produced in the cuticle such as the microtrichia of insect epicuticle.. All of the hereditary determinants of an organism, both nu- clear and cytoplasmic. ARTHRO: Cheli- cerata) In mites or ticks, the posterior of the two basic parts of the body, prosoma and opisthosoma. trichos, hair] Homonomous setae which share...
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jaculatory duct A region of the vas deferens through which sperm is emitted. Johnston's organ ( ARTHRO: Insecta) A chordotonal organ lo- cated in the second segment of the antenna and function- ing in sound perception, flight speed indicator or water wave perception.. jugal area/tract ( MOLL: Polyplacophora) The upper surface of a valve immediately adjacent to the jugum, sometimes...
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labellar basal sclerites ( ARTHRO: Insecta) In Diptera, ventral sclerites in the membranous articulation between the prementum and the labella of the labium. the furca of the labellum.. ARTHRO: Insecta) One of variously expanded apexes of the labium. labial area ( MOLL: Gastropoda) The flattened or callus-coated surface extending from inner lip of the shell.. labial glands ( ARTHRO: Insecta)...
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CNID: Anthozoa) One of the larger complete mesenteries.. phagein, to eat] A large phagocytic cell of the body.. CNID ) A stony, branched, reef building coral of the order Madreporia.. Part of the maxilla of cer- tain insects. ARTHRO: Chelicerata) In Acari, the paired anterior region of the infracapitulum.. malar cavity ( ARTHRO: Chelicerata) In Acari, interior of the malapophysis...
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ARTHRO: Insecta) In Hemimetabola, the aquatic, gill-breathing nymph.. narke, numbness, torpor] Stupor or uncon- sciousness caused by a drug or carbon dioxide build up in the blood.. ARTHRO: Insecta) Anterio-median projection from the frons formed by fusion of frons, clypeus and labrum, or by frons and clypeus alone, especially some Coleoptera larvae.. ARTHRO: Chelicerata) In Acari, an acronal protuberance at...
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obligate parasite A parasite that cannot exist without a host during all or some portion of the life cycle. may form oblique or nearly transverse fascicles be- tween bands of the longitudinal muscles. oblong plates ( ARTHRO: Insecta) In aculeate Hymenoptera, the innermost or posterior pair of plates immovably fixed on each side of the bulb and stylet of the...
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parents of a given individual of the F 1 generation.. palatum, roof of the mouth] 1. palatum, roof of the mouth. ARTHRO: Insecta) In Culicidae, the oral surfaces of the labrum and clypeus;. ARTHRO: Insecta) In Siphonaptera, the outer (external) wall of the aedeagus.. ARTHRO: Insecta) A telopodite of the gnathal appendage. AR- THRO: Insecta) In Coleoptera, the undivided pleura...
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ARTHRO: Insecta) In Hymenoptera, sound made by new queens in the cells in response to. quadrus, fourfold. ARTHRO: Insecta) In odonatan Zygoptera, a cell beyond the arculus. quadratus, squared] A sample area of land for biotic study, usually 1 square meter.. quadratus, squared] Having 4 sides in outline.. quadrate plates ( ARTHRO: Insecta) In Hymenoptera, the re- duced 9th abdominal...
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member of the same stock or lineage] A population or aggregate of populations inhabiting a defined geographical and/or ecological region possessing charac- teristic phenotypic and gene frequencies or features of chromosome structures that distinguish it from other such groups.. racemose glands ( SIPUN ) Glandular structures on each side of the rectum. In Asteroidea, a prominent ossicle on the surface...
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Sometimes applied to a small invagination of the cuticle.. ARTHRO: Insecta) In Lepidoptera, an internal, midventral, cephalad invagination of the vin- culum.. ARTHRO: Insecta) In Diptera, spherical bodies filled with muscle fragments in the blood of the pupae during metamorphosis.. ARTHRO: Insecta) In Diptera, the distal basal portion of the halteres.. In Insecta, flat unicellular outgrowths of the body-wall. In...
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tactus, touch] Pertaining to the organs of the sense of touch.. ARTHRO: Chelicerata) In Acari, a ribbon-like canal on the surface of the tegument. ARTHRO: Insecta) A circular or spiral chitinous thickening, strengthening the inner wall of the trachea.. NEMATA ) That portion of the body in vermiform adults posterior to the anus.. ARTHRO: Insecta) The juncture of the tibia...
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MOLL: Gastropoda) A cavity formed around the shell axis between the faces of the adaxial wall of the whorls where these do not coalesce to form a solid columella. In conispiral shells opening at the base of the shell, excepting hyperstrophic type. In Cirripedia, a portion of the plate from which successive growth increments extend. AR- THRO: Insecta) In Coleoptera,...
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vagina, sheath] The terminal portion of the fe- male reproductive tract, that opens to the outside. vagina uterina ( NEMATA ) An inward extension of the vagina, uniting with the distal part of the uterus, that histologically resembles the vagina, but lacks cuticular lining.. vagina vera ( NEMATA ) The outermost part of the vagina, lined with cuticle.. ARTHRO: Insecta)...
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wax gland Any gland in various parts of the body that secrete a waxy product in the form of a scale, string or powder.. wax layer ( ARTHRO: Insecta) Wax secreted by oenocytes at or near the surface or incorporated into the inner layers of the cuticle. wax-plate ( ARTHRO: Insecta) A plate where the secretions of the wax glands...
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eave tissue ( MOLL: Polyplacophora) Composition of the shell that forms the eaves. having some or all of the surface of the body covered with spines.. ARTHRO: Insecta) An obligatory guest of the tribe Ecitonini.. ty- pos, type] A nongenetic modification of the phenotype by specific ecological conditions, esp. PLATY: Trematoda) The telescoping posterior part of the body.. outer surface...
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