An Introduction to the study of zoology, illustrated by the crayfishD. Appleton, 1901 - 371 pagini |
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Pagina xii
... FIBRES ABDOMINAL SO- 97 100 · • 102 24 . " " 99 1 NERVE GANGLIA · 103 25 . " " 29 99 NERVOUS SYSTEM • 104 26 . " " 29 " " OLFACTORY AND AUDITORY ORGANS 114 27 . 99 99 " " AUDITORY SAC . 117 · 28 . " " 99 99 STRUCTURE OF EYE 119 29 ...
... FIBRES ABDOMINAL SO- 97 100 · • 102 24 . " " 99 1 NERVE GANGLIA · 103 25 . " " 29 99 NERVOUS SYSTEM • 104 26 . " " 29 " " OLFACTORY AND AUDITORY ORGANS 114 27 . 99 99 " " AUDITORY SAC . 117 · 28 . " " 99 99 STRUCTURE OF EYE 119 29 ...
Pagina xiii
... FIBRES 56 . " " " 9 99 57 . 99 " 9 99 PEDES 166 · 46 . 99 " 9 99 THE SECOND AMBULATORY LEG 169 · པ 47 . " " 99 THE MANDIBLE AND MAXILLE · 171 " " 48 . " 9 19 THE EYE - STALK , ANTENNULE , AND པ 9 ANTENNA BLOOD CORPUSCLES EPITHELIUM ...
... FIBRES 56 . " " " 9 99 57 . 99 " 9 99 PEDES 166 · 46 . 99 " 9 99 THE SECOND AMBULATORY LEG 169 · པ 47 . " " 99 THE MANDIBLE AND MAXILLE · 171 " " 48 . " 9 19 THE EYE - STALK , ANTENNULE , AND པ 9 ANTENNA BLOOD CORPUSCLES EPITHELIUM ...
Pagina 57
... fibres . Two of these are attached to the front crosspiece , and proceed thence , upwards and forwards , to be fixed to the inner face of the carapace in the front part of the head ( figs . 5 , 6 , and 12 , ag ) . The two others , which ...
... fibres . Two of these are attached to the front crosspiece , and proceed thence , upwards and forwards , to be fixed to the inner face of the carapace in the front part of the head ( figs . 5 , 6 , and 12 , ag ) . The two others , which ...
Pagina 61
... fibres ; and , beyond the pylorus , it is continued into the wall of the intestine . It has already been mentioned that the intestine is a slender and thin - walled tube , which passes straight through the body almost without change ...
... fibres ; and , beyond the pylorus , it is continued into the wall of the intestine . It has already been mentioned that the intestine is a slender and thin - walled tube , which passes straight through the body almost without change ...
Pagina 90
... fibres . Each of these fibres is generally found to be ensheathed in a fine trans- parent membrane , which is called the sarcolemma , within which is contained the proper substance of the muscle . When quite fresh and living , this ...
... fibres . Each of these fibres is generally found to be ensheathed in a fine trans- parent membrane , which is called the sarcolemma , within which is contained the proper substance of the muscle . When quite fresh and living , this ...
Termeni și expresii frecvente
abdomen abdominal appendages abdominal somite acid alimentary ambulatory limbs animals antenna antennule aperture appears artery arthrobranchiæ Astacine attached basal joint base become blastomeres blood body branchiæ branchial cavity branchial chamber branchial filaments branchiostegite canal carapace cephalic cephalothorax cervical groove chitinous convex corpuscles coxopodite crayfish Crustacea cuticle cuticular division ecdysis ectoderm ectostracum edge endopodite endosternites epiblast epimeral epipodite exopodite exoskeleton external fact fibres food-yelk forceps front ganglion gastrolith gills gives rise green gland hind-gut hypoblast inner lamina lateral less lobes lobster longitudinal male mandibles maxillipede membrane metameres morphological muscles muscular Nauplius nerve nobilis nucleated cells nuclei organs outer ovum pairs plate pleura podobranchiæ portion posterior present procephalic protopodite region ridge rostrum scaphognathite segments seta setæ side somite species spines stem sternal sternum stomach structure substance surface telson tergal tergum terminal thoracic thoracic limbs thoracic somite tissue transverse wall yelk