annular sclerite

annular sclerite

Dictionary of ichthyology. 2009.

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Look at other dictionaries:

  • antennaria — n. [L. antenna, feeler] (ARTHROPODA: Insecta) In immatures, an annular sclerite forming the periphery of each antennal sclerite …   Dictionary of invertebrate zoology

  • ocular sclerites — (ARTHROPODA: Insecta) 1. In some Pseudococcidae, well developed sclerites extending completely around each side, each bearing a row of 7 simple eyes near anterior margin, plus a single lateral ocellus on each side behind the mid lateral member of …   Dictionary of invertebrate zoology

  • peritreme — n. [Gr. peri, around; trema, hold] 1. (ARTHROPODA: Chelicerata) In Acari, a concave plate surrounding a stigma (=spiracle). 2. (ARTHROPODA: Insecta) An annular sclerite surrounding a spiracle. 3. (MOLLUSCA: Gastropoda) see peristome …   Dictionary of invertebrate zoology

  • saddle — n. [A.S. sadol] 1. (ANNELIDA: Oligochaeta) In Lumbricidae, the clitellum incomplete ventrally, extending from the back to below the lateral setae. 2. (ARTHROPODA: Insecta) In Diptera, a large sclerite on the dorsal and lateral surfaces of the… …   Dictionary of invertebrate zoology

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