An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina xi
... ALIMENTARY CANAL 66 · • 29 • A GASTROLITH OR CRAB'S EYE ATTACHMENT OF YOUNG TO SWIM- MERET OF MOTHER 3380 41 • • 53 STRUCTURE OF THE STOMACH LONGITUDINAL SECTION OF THE STO- MACH · ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE ...
... ALIMENTARY CANAL 66 · • 29 • A GASTROLITH OR CRAB'S EYE ATTACHMENT OF YOUNG TO SWIM- MERET OF MOTHER 3380 41 • • 53 STRUCTURE OF THE STOMACH LONGITUDINAL SECTION OF THE STO- MACH · ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE ...
Pagina 50
... alimentary canal stretches from the mouth , at one end , to the vent at the other , and , at each of these limits , is continuous with the wall of the body , we may conceive the whole crayfish to be a hollow cylinder , the cavity of ...
... alimentary canal stretches from the mouth , at one end , to the vent at the other , and , at each of these limits , is continuous with the wall of the body , we may conceive the whole crayfish to be a hollow cylinder , the cavity of ...
Pagina 51
... alimentary canal , with its appendages ; by the apparatus for the distribution of nutriment ; and by two apparatuses for getting rid of those products which are the ultimate result of the working of the whole organism . And here we must ...
... alimentary canal , with its appendages ; by the apparatus for the distribution of nutriment ; and by two apparatuses for getting rid of those products which are the ultimate result of the working of the whole organism . And here we must ...
Pagina 61
... alimentary canal may , therefore , be distinguished into a fore and a hind - gut ( hg ) , which have a thick internal lining of cuticular membrane ; and a very short mid- gut ( mg ) , which has no thick cuticular layer . It will be of ...
... alimentary canal may , therefore , be distinguished into a fore and a hind - gut ( hg ) , which have a thick internal lining of cuticular membrane ; and a very short mid- gut ( mg ) , which has no thick cuticular layer . It will be of ...
Pagina 63
... alimentary canal into the blood . And they can do this only by making their way through the walls of the alimentary canal ; to which end they must either be in a state of extremely fine division , or they must be reduced to the fluid ...
... alimentary canal into the blood . And they can do this only by making their way through the walls of the alimentary canal ; to which end they must either be in a state of extremely fine division , or they must be reduced to the fluid ...
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