n. [L. basis, base; sternum, breastbone]
That part of a thoracic sternum anterior to the sternacostal suture and/or the sternal apophyses; sternannum; antesternite; see furcasternum.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • basisternum — ba·si·sternum …   English syllables

  • basisternum — | ̷ ̷ ̷ ̷ at basi + noun Etymology: New Latin, from basi + sternum : the anterior of the two sternal skeletal plates of insects …   Useful english dictionary

  • furcasternum — n. [L. furca, fork; sternum, breast] (ARTHROPODA: Insecta) 1. In apterygote insects, that area of the thoracic sternum separated from the basisternum by the sternacosta. 2. In pterygote insects, the bases of the sternal apophyses form the furca,… …   Dictionary of invertebrate zoology

  • antesternite — n. [L. ante, before; Gr. sternon, breastbone] (ARTHROPODA: Insecta) The anterior ventral plate or spicule; basisternum; eusternum …   Dictionary of invertebrate zoology

  • mesobasisternum — n. [Gr. mesos, middle; basis, bottom; sternon, chest] (ARTHROPODA: Insecta) 1. The basisternum of the mesothorax. 2. In Diptera, maybe separated from the mesofurcasternum by a secondary line of inflection; see furcasternum …   Dictionary of invertebrate zoology

  • precoxal bridge — (ARTHROPODA: Insecta) That part of the thoracic pleuron anterior to the trochantin, usually continuous with the episternum and the basisternum; precoxale …   Dictionary of invertebrate zoology

  • presternum — n. [L. prae, before; Gr. sternon, chest] (ARTHROPODA: Insecta) The first subdivision of the eusternum, followed by the basisternum and sternellum …   Dictionary of invertebrate zoology

  • sternacostal — suture (ARTHROPODA: Insecta) The external suture of the thoracic sternum through the apophyseal pits separating the basisternum from the sternellum …   Dictionary of invertebrate zoology

  • sternal apophysis — (ARTHROPODA: Insecta) One of a pair of lateral apodemal arms of the eusternum marked by pits joined by a sulcus, thus dividing the eusternum into a basisternum and a sternellum; in higher insects they arise in the midline and separate internally …   Dictionary of invertebrate zoology

  • sternannum — see basisternum …   Dictionary of invertebrate zoology

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