apical organ


apical organ
A sensory organ located at the apex of trochophore larvae and some cestodes.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • apical — APICÁL, Ă, apicali, e, adj. 1. (anat., med.) Care este situat la vârful, la extremitatea unui organ. 2. (Despre consoane) Articulat prin apropierea vârfului limbii de dinţi, de alveole, de bolta palatului. – Din fr. apical. Trimis de cata,… …   Dicționar Român

  • apical meristem — noun : a meristem located at the apex of a root or shoot and responsible for increase in length of the organ compare intercalary meristem, lateral meristem * * * meristem at the apex of a root or shoot. * * * apical meristem noun (botany) A group …   Useful english dictionary

  • apical plate — An external sensory organ of a primitive nervous system or cluster of nerve cells at the anterior pole of the body of certain arthropods and annelids …   Dictionary of invertebrate zoology

  • apical abscess — an abscess in the bone around the apex of a tooth. An acute abscess is extremely painful, causing swelling of the jaw and sometimes also the face. A chronic abscess may cause no pain or swelling. An abscess invariably results from damage to and… …   Medical dictionary

  • Vomeronasal organ — Infobox Anatomy Name = Vomeronasal organ Latin = organum vomeronasale GraySubject = 223 GrayPage = 996 Caption = Frontal section of nasal cavities of a human embryo 28 mm. long (Vomeronasal organ of Jacobson labeled at right) Caption2 = Precursor …   Wikipedia

  • Golgi tendon organ — Organ of Golgi (neurotendinous spindle) from the human tendo calcaneus. Latin organum sensorium tendinis Gray s …   Wikipedia

  • ctenocyst — n. [Gr. kteis, comb; kystis, bladder] (CTENOPHORA) An aboral sense organ; the apical organ; the balancing organ …   Dictionary of invertebrate zoology

  • prototrochophore larva — A young trochophore larva with an apical organ, prototrochal girdle and a digestive tract with mouth and anus …   Dictionary of invertebrate zoology

  • plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …   Universalium

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium


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