A Course of Elementary Instruction in Practical Biology |
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Page 23
... nucleus bearing heads . In- The ovaries are broad lamellar organs , very large and much folded and plaited in the breeding season . numerable ovisacs , or follicles , containing dark - coloured ova , are scattered through the substance ...
... nucleus bearing heads . In- The ovaries are broad lamellar organs , very large and much folded and plaited in the breeding season . numerable ovisacs , or follicles , containing dark - coloured ova , are scattered through the substance ...
Page 122
... nucleus . € . Treat with water ; they swell up and become more spherical ; their colouring matter ( hæmo- globin ) is gradually dissolved out , leaving be- hind a colourless protoplasm . The nucleus is rendered very evident , and ...
... nucleus . € . Treat with water ; they swell up and become more spherical ; their colouring matter ( hæmo- globin ) is gradually dissolved out , leaving be- hind a colourless protoplasm . The nucleus is rendered very evident , and ...
Page 123
... nuclei . co E. Treat with acetic acid and magenta ; the nucleus alone will be stained . It will be found to lodge one or more small granular bodies ( nucleoli ) . The microcytes . Very small bodies , for the most . part colourless ...
... nuclei . co E. Treat with acetic acid and magenta ; the nucleus alone will be stained . It will be found to lodge one or more small granular bodies ( nucleoli ) . The microcytes . Very small bodies , for the most . part colourless ...
Page 124
... Nucleus ; usually central and rounded , containing one or more nucleoli . Columnar epithelium . Scrape gently the inner surface of the mucous membrane of the intestine C. a . B. of a frog , and mount 124 [ CHAP . ELEMENTARY BIOLOGY .
... Nucleus ; usually central and rounded , containing one or more nucleoli . Columnar epithelium . Scrape gently the inner surface of the mucous membrane of the intestine C. a . B. of a frog , and mount 124 [ CHAP . ELEMENTARY BIOLOGY .
Page 125
... nucleus . Not unfrequently aggregates of them may be seen look for such , and note that the cells are closely applied and arranged in a single layer . Goblet cells ; scattered among a ; characterised by the presence of a watery ...
... nucleus . Not unfrequently aggregates of them may be seen look for such , and note that the cells are closely applied and arranged in a single layer . Goblet cells ; scattered among a ; characterised by the presence of a watery ...
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Common terms and phrases
acid alimentary canal animal aperture appendages arising artery Assistant Master attached auditory axis blastopore blood body body-wall branches Cambridge Canada balsam cavity cell-wall cells chamber chitinous chlorophyll chromatophores cilia College colour commissures containing corpuscles Crayfish delicate dissect dorsal duct ELEMENTARY elongated epidermis epithelium Examine excretory exoskeleton external Fcap fibres filaments fluid Frog front ganglia ganglion genital germinal vesicle gills gland granular high power hypha Illustrated immediately inner integument intestine lateral layer lobes longitudinal low power lying mass maxilla median membrane middle line mouth muscular nematocysts nerve Note nucleus organs orifice outer oval ovum pair passing pericardium pigmented portion posterior Prof Professor Protococcus protoplasm Remove revised round Sect seen segment setæ side solution somite spinal Spirogyra sporangium spores stained structure surface terminal thickened thin tissue Torula transverse section trunk tube vacuole valves veins ventral ventricle vessels wall xylem
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