Annals of the South African Museum, Volume 51South African Museum, 1968 - Natural history |
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Page 72
... segment . They have therefore been labelled as the abductor and adductor muscles , and it is of interest that in Callinectes sapidus the second segment is operated by four muscles and seems to combine the features of Astacus and ...
... segment . They have therefore been labelled as the abductor and adductor muscles , and it is of interest that in Callinectes sapidus the second segment is operated by four muscles and seems to combine the features of Astacus and ...
Page 75
... segment . Contrasted with the other antennal muscles , depressor b is a short , rather inconspicuous element lying near the postero - medial corner of the first segment . It is attached close to the medial edge of the tendon of the ...
... segment . Contrasted with the other antennal muscles , depressor b is a short , rather inconspicuous element lying near the postero - medial corner of the first segment . It is attached close to the medial edge of the tendon of the ...
Page 76
... segment and inserted medially on the proximal edge of the second segment , this relatively smaller muscle supplements reductor 2 and draws the second segment inward towards the mid - line . Flexor 3 The third segment is moved outward by ...
... segment and inserted medially on the proximal edge of the second segment , this relatively smaller muscle supplements reductor 2 and draws the second segment inward towards the mid - line . Flexor 3 The third segment is moved outward by ...
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Common terms and phrases
abdominal artery abdominal segment adductor muscle antennal antennal gland antennulary antennule antero-lateral apodeme appendages arises arthrodial arthrodial membrane Astacus attached attractor basipodite biol blood branch branchiostegite bundles carapace cardiac fore-gut cephalic cephalothorax coxopodite Crustacea dactylopodite decapod depressor digestive gland distal dorsal dorso-lateral ecdysis end sac endite endopleurite endopodite endosternite epimeral epimeron epipodite epistoma exopodite exopoditis exoskeleton extensor eyestalk female fibres flagellum flexor fore-gut frontal ganglia ganglion gastric gills Homarus inner inserted Jasus labyrinth lalandii lateral levator lobe lobster mandible mandibular maxilla maxilliped medial meropodite moulting muscle chamber oblique muscle oesophageal ophthalmic artery optic optic cup ossicle outer pair Palinurus Pandalus Panulirus paraphragms peduncle pereiopods pigment pleopods posterior postero-lateral productor promotor protopodite proximal margin puerulus stage reductor region remotor muscle Reptantia rhabdomes sclerite second maxilla setae sinus gland species spermatophoric statocyst sternal sternum telson tendon tergum third maxillipeds thoracic segments thoraco-abdominal transverse muscle uropod valve ventral muscles ventro-laterally wall X-organ