The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . c;a?. From Miall and Denny, The Cockroach, LoveUReeve & Co. Fig. 12.—Food Canal of Cockroach. s, Salivary glands and reservoir. _,^^ ^.. c. Crop (the gizzard below it). passenorwardsfrotii the (^o^. Caecal tubes (below them the stomach through the pro- stomach). ventriculus. As the *. Kidney tubes. various portions of the ? Intestine. food undergo digestion, > Rectum. they are allowed to pass through the proventriculus into the stomach, where the nutrient substances are absorbed. Excretory Syst
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . c;a?. From Miall and Denny, The Cockroach, LoveUReeve & Co. Fig. 12.—Food Canal of Cockroach. s, Salivary glands and reservoir. _,^^ ^.. c. Crop (the gizzard below it). passenorwardsfrotii the (^o^. Caecal tubes (below them the stomach through the pro- stomach). ventriculus. As the *. Kidney tubes. various portions of the ? Intestine. food undergo digestion, > Rectum. they are allowed to pass through the proventriculus into the stomach, where the nutrient substances are absorbed. Excretory System.—Nitrogenous waste-matter is removed fromthe body by the Malpighian tubes which open into the food-canal,usually where the hind-gut joins the stomach. These tubes varyin number from four to over a hundred in different orders of cells which line them and also the cavities of the tubes containurates, which are excreted from the blood in the surrounding body-cavity. This cavity contains an irregular mass of whitish tissue,the fat-body, consisting of fat-cells which undergo deg
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
