Annals of the South African Museum, Volume 51South African Museum, 1968 - Natural history |
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Page 32
... joints and the movement is upward and downward in a vertical direction . The elongate meropodite has ill - defined dorsal and ventral joints and is nearly rigid , being capable of only slight independent to - and - fro movements , but ...
... joints and the movement is upward and downward in a vertical direction . The elongate meropodite has ill - defined dorsal and ventral joints and is nearly rigid , being capable of only slight independent to - and - fro movements , but ...
Page 33
... joints and hinge joints . Pivot joints are located on the anterior and posterior surfaces of the leg , and ' the axis of movement passes horizontally through the middle of the overlapping leg segments ' ( 1958 : 504 ) . Hinge joints ...
... joints and hinge joints . Pivot joints are located on the anterior and posterior surfaces of the leg , and ' the axis of movement passes horizontally through the middle of the overlapping leg segments ' ( 1958 : 504 ) . Hinge joints ...
Page 73
... joints seems to differ from that of the pereiopods . It is possible , however , that the dorsal and ventral antennal joints are functionally similar to the anterior and posterior leg joints and that the medial and lateral antennal joints ...
... joints seems to differ from that of the pereiopods . It is possible , however , that the dorsal and ventral antennal joints are functionally similar to the anterior and posterior leg joints and that the medial and lateral antennal joints ...
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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