An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina xi
... STOMACH LONGITUDINAL SECTION OF THE STO- MACH · ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE SIDE ( MALE ) . 56 • • 60 62 ALIMENTARY CANAL FROM ABOVE • 65 • BLOOD CORPUSCLES TRANSVERSE SECTION OF THORAX STRUCTURE OF THE GILLS ...
... STOMACH LONGITUDINAL SECTION OF THE STO- MACH · ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE SIDE ( MALE ) . 56 • • 60 62 ALIMENTARY CANAL FROM ABOVE • 65 • BLOOD CORPUSCLES TRANSVERSE SECTION OF THORAX STRUCTURE OF THE GILLS ...
Pagina 28
... stomach ; gg , green glands ; h , heart ; hg , hind gut , or large intestine ; Lr , liver ; oa , ophthalmic artery ; pg posterior gastric muscles ; saa , superior abdominal artery ; t , testis ; vd , vas deferens . middle region of that ...
... stomach ; gg , green glands ; h , heart ; hg , hind gut , or large intestine ; Lr , liver ; oa , ophthalmic artery ; pg posterior gastric muscles ; saa , superior abdominal artery ; t , testis ; vd , vas deferens . middle region of that ...
Pagina 29
... stomach ; the circular area immediately below the end of the line from cs marks the position of the gastrolith of the left side ; hg , hind - gut ; lb , labrum ; lt , lateral tooth of stomach ; m , mouth ; mg , mid - gut ; mt , median ...
... stomach ; the circular area immediately below the end of the line from cs marks the position of the gastrolith of the left side ; hg , hind - gut ; lb , labrum ; lt , lateral tooth of stomach ; m , mouth ; mg , mid - gut ; mt , median ...
Pagina 30
... stomach is laid open , three large D Α B C FIG . 7. - Astacus fluviatilis . - A gastrolith ; A , from above ; B ... stomach . On each side of the stomach , there is a soft yellow or brown mass , commonly known as the liver ( fig . 5 , Lr ) ...
... stomach is laid open , three large D Α B C FIG . 7. - Astacus fluviatilis . - A gastrolith ; A , from above ; B ... stomach . On each side of the stomach , there is a soft yellow or brown mass , commonly known as the liver ( fig . 5 , Lr ) ...
Pagina 36
... stomach , with its teeth , and the " crabs ' - eyes , " are shed along with the rest of the cuti- cular exoskeleton ; but they are broken up and dissolved in the stomach . The new integuments of the crayfish remain soft for a period ...
... stomach , with its teeth , and the " crabs ' - eyes , " are shed along with the rest of the cuti- cular exoskeleton ; but they are broken up and dissolved in the stomach . The new integuments of the crayfish remain soft for a period ...
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