An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 73
Pagina 26
... posterior arthrobranchiæ of the second and third maxillipedes and of the third ambulatory leg ; arb ' . 9 , arb ' . 13 , the anterior arthrobranchiæ of the third maxillipede and of the third ambulatory leg ; pbd . 8 , podobranchiæ of ...
... posterior arthrobranchiæ of the second and third maxillipedes and of the third ambulatory leg ; arb ' . 9 , arb ' . 13 , the anterior arthrobranchiæ of the third maxillipede and of the third ambulatory leg ; pbd . 8 , podobranchiæ of ...
Pagina 28
... ; 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 part of the carapace which lies.
... ; 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 part of the carapace which lies.
Pagina 29
... posterior gastric muscle ; ps , pyloric portion of stomach ; r , annular ridge , marking the commencement of the hind - gut . In summer , there are commonly to be found at the sides of the stomach two lenticular calcareous masses ...
... posterior gastric muscle ; ps , pyloric portion of stomach ; r , annular ridge , marking the commencement of the hind - gut . In summer , there are commonly to be found at the sides of the stomach two lenticular calcareous masses ...
Pagina 51
... posterior boundary of the mouth . These together constitute the metastoma ( fig . 3 , B ; mt ) , which is sometimes called the lower lip . A short wide gullet , termed the so- phagus ( fig . 6 , oe ) , leads directly upwards into a ...
... posterior boundary of the mouth . These together constitute the metastoma ( fig . 3 , B ; mt ) , which is sometimes called the lower lip . A short wide gullet , termed the so- phagus ( fig . 6 , oe ) , leads directly upwards into a ...
Pagina 52
Thomas Henry Huxley. gullet opens , and a small posterior chamber ( ps ) , from which the intestine ( hg ) proceeds . In a man's stomach , the opening by which the gullet communicates with the stomach is called the cardia , while that ...
Thomas Henry Huxley. gullet opens , and a small posterior chamber ( ps ) , from which the intestine ( hg ) proceeds . In a man's stomach , the opening by which the gullet communicates with the stomach is called the cardia , while that ...
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