13.07.2015 Views

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

342Maggenti and Gardnerbrane at the base <strong>of</strong> the wings; indistinctly separated fromthe episternum.episternal suture (ARTHRO: Insecta) The anterior part <strong>of</strong> thesternopleural suture.episternum n.; pl. episterna [Gr. epi, upon; sternon, chest]1. (ARTHRO: Crustacea) In Decapoda, the posterolateralprojection <strong>of</strong> various sterna. 2. (ARTHRO: Insecta) The area<strong>of</strong> a thoracic pleuron anterior to the pleural suture. episternala.epistoma see epistomeepistomal ridge (ARTHRO: Insecta) The cranial inflection <strong>of</strong> theepistomal sulcus.epistomal sulcus or suture (ARTHRO: Insecta) The groovesituated between the frons and clypeus that unites with theanterior ends <strong>of</strong> the subgenal sulcus extending to the anteriortentorial pits.epistome, epistoma, epistomis, epistomum n. [Gr. epi,upon; stoma, mouth] 1. (ARTHRO: Chelicerata) See tectum,cervix. 2. (ARTHRO: Crustacea) In brachyuran Decapoda, aplate <strong>of</strong> varying shape between the labrum and bases <strong>of</strong>the antennae; sternum <strong>of</strong> antennal somite. 3. (ARTHRO: Insecta)a. In Diptera, the oral margin; that part <strong>of</strong> the faceabove the mouth. b. In Odonata, the clypeus. c. In certainColeoptera, the reduced frontoclypeal region. see peristome.4. (BRYO: Phylactolaemata) A small, movable lip-likelobe <strong>of</strong> tissue and coelom overhanging the mouth.epitheca n. [Gr. epi, upon; theke, case] (CNID) The externallayer surrounding the theca in many corals.epithelial layer 1. Any layer <strong>of</strong> cells, one surface <strong>of</strong> which islining a tube or cavity. 2. (BRYO) A single layer <strong>of</strong> cells <strong>of</strong>two types: secretory cells and fat storage cells.epithelial syncytium Multinucleated epithelial cells.epithelial tissues Surface tissues in which the cells formregular layers, containing very little intercellular material.epitheliomuscular a. [Gr. epi, upon; thele, nipple; L. musculosus,fleshy] (CNID) Pertaining to epithelium with a longitudinalcontractile fiber at the base; myoepithelial.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!