frontal organ(s) — Sensory cells on anterior surface of cephalon. (Syn. haft organ, frontal eye) [McLaughlin, 1980]. Sensory cells or setae on front surface of heads on some branchiopods, copepods, and decapods [Moore and McCormick, 1969]. (Order Cladocera):… … Crustacea glossary
ventral frontal organ — Paired sensory structure associated with the nauplius eye of nonmalacostracan crustaceans [McLaughlin, 1980]. (Order Anostraca): Frontal organ [Stachowitsch, 1992] … Crustacea glossary
organ of Bellonci — (ARTHROPODA: Crustacea) Receptors innervated from the medullae terminales of the brain, consisting of ciliated sensory neurons associated with supporting cells, such as glial, bordering and perilemmal cells; has also been called frontal organ, x… … Dictionary of invertebrate zoology
frontal eye complex — (ARTHROPODA: Crustacea) The eyes or reduced eyes innervated from the nauplius eye center; see organ of Bellonci, frontal organ … Dictionary of invertebrate zoology
frontal eye — see frontal organ … Dictionary of invertebrate zoology
frontal appendage — One pair of filaments arising in many Anostraca from bases of antennae but independent of them; may be ramified [Moore and McCormick, 1969]. (Order Diplostraca): Frontal organ [Stachowitsch, 1992]. (Order Anostraca): Paired filaments arising from … Crustacea glossary
frontal filament — (Subclass Copepoda): One of two slender projections extending from rostrum of freeliving copepod. With sensory function [Stachowitsch, 1992]. (Class Ostracoda): Frontal organ [Stachowitsch, 1992] … Crustacea glossary
ventral frontal organ — (ARTHROPODA: Crustacea) Paired sensory structures associated with the nauplius eye … Dictionary of invertebrate zoology
frontal band — Glandular organ of adhesion in frontal region of various parasitic copepods serving for attachment to host fishes [Moore and McCormick, 1969]. Glandular organ of adhesion in frontal region of various parasitic copepods used for attachment to host … Crustacea glossary
frontal — 1. In front; relating to the anterior part of a body. 2. Referring to the f. (coronal) plane or to the f. bone or forehead. SYN: frontalis [TA]. * * * fron·tal frənt əl adj … Medical dictionary