Jelly-fish, star-fish and sea-urchinsD. Appleton and Company, 1898 - 323 pagini |
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Pagina
... CO - ORDINATION VII . NATURAL RHYTHM ... ... ... ... ... ... ... ... 130 146 VIII . ARTIFICIAL RHYTHM ... ... ... 175 IX . POISONS ... ... ... 213 X. STAR FISH AND SEA - URCHINS ... ... 251 JELLY - FISH , STAR - FISH , AND SEA.
... CO - ORDINATION VII . NATURAL RHYTHM ... ... ... ... ... ... ... ... 130 146 VIII . ARTIFICIAL RHYTHM ... ... ... 175 IX . POISONS ... ... ... 213 X. STAR FISH AND SEA - URCHINS ... ... 251 JELLY - FISH , STAR - FISH , AND SEA.
Pagina 4
... CO - ORDINATION ... ... ... 130 VII . NATURAL RHYTHM ... ... 146 ... VIII . ARTIFICIAL RHYTHM ... ... ... 175 IX . POISONS 213 ... ... X. STAR FISH AND SEA - URCHINS ... 251 ... JELLY - FISH , STAR - FISH , AND SEA.
... CO - ORDINATION ... ... ... 130 VII . NATURAL RHYTHM ... ... 146 ... VIII . ARTIFICIAL RHYTHM ... ... ... 175 IX . POISONS 213 ... ... X. STAR FISH AND SEA - URCHINS ... 251 ... JELLY - FISH , STAR - FISH , AND SEA.
Pagina 129
... locomotor contraction , and some- times a series of two or three such . During recovery in normal sea - water all these phases occur in reverse order . СПАРТЕR VI . CO - ORDINATION . Covered - eyed SECTION OF NAKED - EYED MEDUSE . 129.
... locomotor contraction , and some- times a series of two or three such . During recovery in normal sea - water all these phases occur in reverse order . СПАРТЕR VI . CO - ORDINATION . Covered - eyed SECTION OF NAKED - EYED MEDUSE . 129.
Pagina 130
George John Romanes. СПАРТЕR VI . CO - ORDINATION . Covered - eyed Medusa . FROM the fact that in the covered - eyed Medusæ the passage of a stimulus - wave is not more rapid than that of a contraction - wave , we may be prepared to ...
George John Romanes. СПАРТЕR VI . CO - ORDINATION . Covered - eyed Medusa . FROM the fact that in the covered - eyed Medusæ the passage of a stimulus - wave is not more rapid than that of a contraction - wave , we may be prepared to ...
Pagina 131
... co- ordination among the eight marginal ganglia may continue for any length of time . I believe , however , that such apparently complete physiological har- mony is not co - ordination properly so called , i.e. is not due to special ...
... co- ordination among the eight marginal ganglia may continue for any length of time . I believe , however , that such apparently complete physiological har- mony is not co - ordination properly so called , i.e. is not due to special ...
Termeni și expresii frecvente
able ambulacral feet artificial rhythm Aurelia aurita become bell blocked brium cause ceased chloroform co-ordination continue contractile strip contractile tissue contraction contraction-waves covered-eyed Medusa crawling curare diastole direction discharge Echinoderm Echinodermata Echinus effect excising excitable tissues experiments fact feeble fibres forceps fresh water function ganglionic glycerine hour Illustrations induction shocks influence instance intervals irritability jelly-fish latter lithocyst locomotor centres manubrium marginal bodies marginal ganglia minutes movements muscle muscular mutilated naked-eyed Medusa natural rhythm nectocalyx nerve nerve-cells nerve-centre nerve-fibres nerve-ring nerve-trunks nervous network nervous system normal sea-water observed occur organ paralyzed pass pedicellariæ pedicels period of latent physiological plexus poison portion prepotent Professor pulsations radial tubes rays reflex reflex action removed response Sarsia seconds segments spasm species specimens spines spontaneity Star-fish strychnia suckers surface swimming motions swimming-bell systole tank temperature tentacles tentacular tetanus Tiaropsis indicans tion umbrella unmutilated animal wave whole