Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
ventral sympathetic nervous system — (ARTHROPODA: Insecta) A pair of transverse nerves associated with the ganglia of the ventral nerve cord in each segment, passing to the spiracles of their segment; may be connected to the perisympathetic system … Dictionary of invertebrate zoology
endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries … Universalium
neurohemal organs — (ARTHROPODA: Insecta) Organs involved with the release of products of neurosecretory cells into the hemolymph; corpora cardiaca best developed though less conspicuous ones make up the perisympathetic system associated with the ventral nerve cord … Dictionary of invertebrate zoology
