The Cambridge Natural History, 2. köideSidney Frederic Harmer, Sir Arthur Everett Shipley Macmillan and Company, limited, 1896 |
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Page 12
... tissue containing various kinds of cells , salivary glands , shell - glands , and prostate glands . Besides these , however , we find a vacuolated , nucleated , thick - walled network , and to this the word parenchyma is properly ...
... tissue containing various kinds of cells , salivary glands , shell - glands , and prostate glands . Besides these , however , we find a vacuolated , nucleated , thick - walled network , and to this the word parenchyma is properly ...
Page 20
... tissues and often cause its speedy dissolution . The dorsal surface in a few forms is raised into fine processes ... tissue reddish . Many forms are coloured in such a way as to make their detection exceed- ingly difficult , but this ...
... tissues and often cause its speedy dissolution . The dorsal surface in a few forms is raised into fine processes ... tissue reddish . Many forms are coloured in such a way as to make their detection exceed- ingly difficult , but this ...
Page 25
... tissues of Polyclads in two ways . The ciliated epidermis provides a constant change of the surrounding water , by which the superficial organs may obtain their supply ; and the peri- staltic movements of the digestive system , aided by ...
... tissues of Polyclads in two ways . The ciliated epidermis provides a constant change of the surrounding water , by which the superficial organs may obtain their supply ; and the peri- staltic movements of the digestive system , aided by ...
Page 27
... tissues till they met with and fertilised the eggs . It is now known that a similar process of " hypodermic impreg- nation " occurs sporadically in several groups of animals.3 1 Lang , " Polycladen , " Pl . 30 , Fig . 8 . 2 Kongl ...
... tissues till they met with and fertilised the eggs . It is now known that a similar process of " hypodermic impreg- nation " occurs sporadically in several groups of animals.3 1 Lang , " Polycladen , " Pl . 30 , Fig . 8 . 2 Kongl ...
Page 37
... tissue . It opens into the three main intestinal branches , one of which runs in the median plane forwards , the ... tissues of the latter pass into the intestine of the Planarian , and distend it greatly . After such a meal , which ...
... tissue . It opens into the three main intestinal branches , one of which runs in the median plane forwards , the ... tissues of the latter pass into the intestine of the Planarian , and distend it greatly . After such a meal , which ...
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Common terms and phrases
alimentary canal animal anus aperture avicularia body body-cavity body-wall brain branches bristles cavity cells Cestodes chaetae Cheilostomata chitinous ciliated cirri coelom colony colour dorsal ducts earthworms eggs elongated embryos Entoprocta epidermis excretory female fresh-water funnel ganglion genera genital genus Gephyrea gills glands groove head hooks host inches intestine larva lateral layer leech length Leptoplana live lobes longitudinal male marine mature median membrane mouth muscles muscular Nematodes Nemertines nephridia nephridium Nereis nerve nervous occur oesophagus Oligochaeta organs orifice ovary ovicell oviduct pair palps papillae parapodia parapodium parasitic pharynx Planarians Polychaetes Polyclads polypide Polyzoa pore posterior proboscis prostomium region reproductive Rotifers segments sexual side Sipunculoidea skin species spermatozoa spines statoblasts structure SUB-ORDER sucker tentacles tissue transverse Trematodes trunk tube usually uterus vascular ventral ventral surface vessel wall wiss worms Zeitschr zooecia zooecium Zool