Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 243coronate egg (ARTHRO: Insecta) An egg with the upper endsurrounded by a circlet of spines or comparable structures.coronet n. [L. dim. corona, crown] A small or inferior corona orcrown.corpora pl. of corpuscorpora allata pl.; sing. corpus allatum (ARTHRO: Insecta)Specialized endocrine glands, usually a pair of glandularbodies (may be fused to a single median organ) behind andlinked to the brain by small nerve fibers, that produce juvenilehormones regulating metamorphosis and yolk depositionin the egg; ganglia alata.corpora cardiaca pl.; sing. corpus cardiacum (ARTHRO: Insecta)Paired specialized endocrine glands, closely associatedwith the aorta and forming part of its wall and behindthe brain, that store and release hormones concerned withthe regulation of the brain and other physiological effects.corpora incerta see corpora allatacorpora optica pl.; sing. corpus opticum (ARTHRO: Insecta)A pair of small bodies lying above the pons cerebralis in thedorsal part of the brain, connected with the glomeruli ofthe ocellar nerves and the medullae externae of the opticlobes; thought to be association centers for both the ocelliand compound eyes.corpora pedunculata pl; sing. corpora pedunculatum (AR-THRO: Insecta) The pedunculate or mushroom bodies of theprotocerebrum, said to have an important role in visual integrationin Hymenoptera, but in other insects plays a partin the selection and sequential organization of behavioralpatterns.corpora ventralia pl.; sing. corporus ventralium (ARTHRO:Insecta) Ventral or lateral bodies that lie ventrolaterally inthe protocerebrum just above the antennal glomeruli of thedeutocerebrum, and connected to a transverse commissuretract; they are association centers connected to manyother parts of the brain.corpotentorium n. [L. corpus, body; tentorium, tent] (AR-THRO: Insecta) Fusion of the anterior and posterior tentorialarms; the body of the tentorium.