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
... VI . 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.
... VI . 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 96
... surrounding medium , a sensitiveness which we shall again have occasion to comment upon when treating of the effects of poisons . In conclusion , I may mention an interesting fact which. 96 JELLY - FISH , STAR - FISH , AND SEA - URCHINS .
... surrounding medium , a sensitiveness which we shall again have occasion to comment upon when treating of the effects of poisons . In conclusion , I may mention an interesting fact which. 96 JELLY - FISH , STAR - FISH , AND SEA - URCHINS .
Pagina 145
... poison ; but in a few minutes later central or reflex irritability also returned , as shown by single responses to single nippings of the tentacles . Last of all spontaneity began to return , and was in some few cases conspicuously ...
... poison ; but in a few minutes later central or reflex irritability also returned , as shown by single responses to single nippings of the tentacles . Last of all spontaneity began to return , and was in some few cases conspicuously ...
Pagina 213
George John Romanes. CHAPTER IX . POISONS . 1. Chloroform . - My observations with regard to the distribution of nerves in Sarsia led me to in- vestigate the order in which these connections are destroyed , or temporarily impaired , by ...
George John Romanes. CHAPTER IX . POISONS . 1. Chloroform . - My observations with regard to the distribution of nerves in Sarsia led me to in- vestigate the order in which these connections are destroyed , or temporarily impaired , by ...
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