pore plates — 1. (ARTHROPODA: Insecta) In the soft scale Towmeyella parvicornis , groups of invaginated, biocular pores on the dorsal surface of the derm; see sensilla placodea. 2. (BRYOZOA: Gymnolaemata) An interior chitinous or calcareous wall of a zooid… … Dictionary of invertebrate zoology
dorsal pit — (Order Stomatopoda): Median pore [Stachowitsch, 1992] … Crustacea glossary
coronal pore — the dorsal median pore of the cephalic lateral line system (q.v.) at the point of juncture of the branches from each supraorbital canal. Abbreviated COR … Dictionary of ichthyology
retrocerebral pore — (CHAETOGNATHA) A pore on the dorsal surface behind the brain where the rectocerebral organs open … Dictionary of invertebrate zoology
median pore — (Order Stomatopoda): Dorsal pit in carapace; located along midline between cervical groove and anterior bifurcation of median carina. (Syn. dorsal pit) [Stachowitsch, 1992] … Crustacea glossary
Myzostomida — Myzostoma fuscomaculatum on its host the crinoid Tropiometra carinata Scientific classification Kingdom … Wikipedia
cephalic lateral line — the head canals opening to the surface in pores and containing neuromasts (sometimes the canals are lost and the neuromasts are exposed). Similar to the trunk lateral line in structure and function but having different innervation. The following… … Dictionary of ichthyology
cephalic sensory canals — the head canals opening to the surface in pores and containing neuromasts (sometimes the canals are lost and the neuromasts are exposed). Similar to the trunk lateral line in structure and function but having different innervation. The following… … Dictionary of ichthyology
Sodium channel — Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell s plasma membrane.[1][2] They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage… … Wikipedia
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium