Lectures on the Comparative Anatomy and Physiology of the Invertebrate Animals: Delivered at the Royal College of Surgeons, in 1843 |
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Page 26
... interspaces of the stomachs and intestine which are not occupied by the male organs ; and consists of a number of minute corpuscules , or nucleated cells , connected together in a reticulate form , generally of a green or pink , or some ...
... interspaces of the stomachs and intestine which are not occupied by the male organs ; and consists of a number of minute corpuscules , or nucleated cells , connected together in a reticulate form , generally of a green or pink , or some ...
Page 52
... interspaces . The vas deferens ( fig . 26 , b ) is best seen on the dorsal aspect of the joint , along the middle of which it runs in close transverse folds , progressively increasing in breadth , until it terminates in a pyriform ...
... interspaces . The vas deferens ( fig . 26 , b ) is best seen on the dorsal aspect of the joint , along the middle of which it runs in close transverse folds , progressively increasing in breadth , until it terminates in a pyriform ...
Page 57
... interspace , along the middle of the body to the caudal extremity . At their first bend , each tube gives off three or four branches from its outer , but none from its inner side . The parallel tubes send off a few short and simple ...
... interspace , along the middle of the body to the caudal extremity . At their first bend , each tube gives off three or four branches from its outer , but none from its inner side . The parallel tubes send off a few short and simple ...
Page 58
... interspace of the two digestive tubes four opake whitish spots are visible , of which the three anterior or larger ones ( e ) form the Each transmits from its anterior margin a very minute duct , which , advancing forwards , unite in a ...
... interspace of the two digestive tubes four opake whitish spots are visible , of which the three anterior or larger ones ( e ) form the Each transmits from its anterior margin a very minute duct , which , advancing forwards , unite in a ...
Page 59
... interspace of the alimentary forks , thence continued forwards with decreasing convolutions , and ter- minating at the vulva . The digestive system in the species of Diplostomum , a genus which has two ventral suckers , is as simple as ...
... interspace of the alimentary forks , thence continued forwards with decreasing convolutions , and ter- minating at the vulva . The digestive system in the species of Diplostomum , a genus which has two ventral suckers , is as simple as ...
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Common terms and phrases
abdomen alimentary canal analogous Anatomy Anellides animal animalcules antennæ aperture appendages Ascidians attached Belemnite bivalves blood body branchiæ branchial Bryozoa calcareous cavity cells cephalic Cephalopods chords ciliated cloth colour compound eyes consists Crustacea Cuvier developed digestive dilated Diseases distinct dorsal duct Edition elongated embryo Entozoa external extremity eyes female filaments fluid ganglion Gasteropods genus germinal vesicle gills glands head horny Infusoria insects integument interspace intestine jointed larva larvæ layer LECTURE legs locomotive London longitudinal male mandibles mantle margin mass maxillæ membrane metamorphosis minute Mollusca mouth muscles muscular fibres muscular system Nautilus nerves nervous system observed ocelli oesophagus organisation organs orifice ovaria oviduct ovum pair parasitic plates polypes posterior present processes radiated respiratory rudimental segments shell side siphon slender species spiders spines stomach structure surface tentacles tentacula terminal thorax tissue transverse tube tunic vascular ventral vesicle vessel visceral wings worm
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