An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina 119
... zone ; c , outer white zone ; d , middle dark zone ; e , inner white zone ; f , inner dark zone ; cr , crystalline cones ; g , optic ganglion ; op , optic nerve ; sp , striated spindles . of the general curvature of the outer face of ...
... zone ; c , outer white zone ; d , middle dark zone ; e , inner white zone ; f , inner dark zone ; cr , crystalline cones ; g , optic ganglion ; op , optic nerve ; sp , striated spindles . of the general curvature of the outer face of ...
Pagina 120
... zone ( ƒ ) . Outside this , and in connection with it , follows a white line , the inner white zone ( e ) , then comes a middle dark zone ( d ) ; outside this an outer pale band , which may be called the outer white zone ( c ) , and ...
... zone ( ƒ ) . Outside this , and in connection with it , follows a white line , the inner white zone ( e ) , then comes a middle dark zone ( d ) ; outside this an outer pale band , which may be called the outer white zone ( c ) , and ...
Pagina 121
... zone , and , in the middle dark zone , thickens into a four- sided spindle - shaped transparent body , which appears transversely striated . The inner end of this striated spindle narrows again , and becomes continuous with nerve fibres ...
... zone , and , in the middle dark zone , thickens into a four- sided spindle - shaped transparent body , which appears transversely striated . The inner end of this striated spindle narrows again , and becomes continuous with nerve fibres ...
Pagina 182
... zone . The fibres which make up the more conspicuous muscles of the trunk and limbs , on the other hand , are much larger , and are invested by a thin , transparent , structure- less sheath , which is termed the sarcolemma . Nuclei are ...
... zone . The fibres which make up the more conspicuous muscles of the trunk and limbs , on the other hand , are much larger , and are invested by a thin , transparent , structure- less sheath , which is termed the sarcolemma . Nuclei are ...
Pagina 183
... zone ( is ) follows another septal zone , then a septal line , another septal zone , an inter - septal zone , and so on throughout the whole length of the fibre . In the perfectly unaltered state of the muscle no other MUSCULAR TISSUE .
... zone ( is ) follows another septal zone , then a septal line , another septal zone , an inter - septal zone , and so on throughout the whole length of the fibre . In the perfectly unaltered state of the muscle no other MUSCULAR TISSUE .
Alte ediții - Afișează-le pe toate
An Introduction to the Study of Zoology, Illustrated by the Crayfish Thomas Henry Huxley Vizualizare completă - 1895 |
An Introduction to the Study of Zoology, Illustrated by the Crayfish Thomas Henry Huxley Vizualizare completă - 1902 |
Termeni și expresii frecvente
abdomen abdominal appendages abdominal somites ambulatory limbs Amurland animals antenna antennule aperture appears artery arthrobranchiæ Astacine Astacus fluviatilis Astacus torrentium attached basal joint blastomeres blood body branchiæ branchial cavity carapace cardiac cavity cephalothorax cervical groove chelate chitinous corpuscles coxopodite cray Crustacea cuticle cuticular division ecdysis Écrevisses edge endopodite English crayfish epiblast epipodite exopodite exoskeleton eye-stalk fact female filaments fluviatilis.-A forceps front ganglia ganglion gastrolith gills give rise green gland hind-gut hinder hypoblast Illustrations inner integument lateral leptodactylus less lobster longitudinal male mid-gut middle modified morphological muscle muscular nerve fibres nobilis noble crayfish nucleated cells nuclei organs ossicle outer pairs plate pleura podobranchiæ portion posterior prawns present region ridge rostrum segments septal lines setæ side somite species spermatozoa spines sternal sternum stomach structure substance surface swimmerets telson tergal tergum terminal thoracic thoracic limbs thoracic somite tissue transverse wall yelk zone