Annals of the South African Museum, Volume 51South African Museum, 1968 - Natural history |
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Page 41
... cavity or haemocoel to form the perivisceral cavity and the great reduction of the secondary body cavity or coelom . The arthropod coelom arises as cavities in some but not necessarily all of the mesodermal somites of the embryo , and ...
... cavity or haemocoel to form the perivisceral cavity and the great reduction of the secondary body cavity or coelom . The arthropod coelom arises as cavities in some but not necessarily all of the mesodermal somites of the embryo , and ...
Page 134
... cavity into a number of arteries , which usually branch extensively and terminate in fine vessels in the tissues and organs . Another characteristic is the absence of direct capillary connexions between the arterial and the venous parts ...
... cavity into a number of arteries , which usually branch extensively and terminate in fine vessels in the tissues and organs . Another characteristic is the absence of direct capillary connexions between the arterial and the venous parts ...
Page 135
South African Museum. I. PERICARDIAL CAVITY AND HEART ( a ) The pericardial cavity ( Figs 53 , 56 ) The heart ( figs 9 , 10 , 31 , 53 , 78 ) lies in the middle of an irregu- larly rectangular space , the pericardial cavity , which ...
South African Museum. I. PERICARDIAL CAVITY AND HEART ( a ) The pericardial cavity ( Figs 53 , 56 ) The heart ( figs 9 , 10 , 31 , 53 , 78 ) lies in the middle of an irregu- larly rectangular space , the pericardial cavity , which ...
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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