The laws and mechanics of circulation, with the principle involved in animal movement . ffecting interchanges between , we have a system of arterial and venous capillariessetting in and out of the gland in such manner as to bringthe blood into iniimate relation with the follicles and gland-tubes (Figs. 96, 95), the gland-tube itself possessing its ownsystem of blood-capillaries, so that blood circulates freelythrough the gland, and in the measure of the physiologicalrequirements, so that every cell can get its due supply ofarterial blood, as in every other organ. Now, then, what ca
The laws and mechanics of circulation, with the principle involved in animal movement . ffecting interchanges between , we have a system of arterial and venous capillariessetting in and out of the gland in such manner as to bringthe blood into iniimate relation with the follicles and gland-tubes (Figs. 96, 95), the gland-tube itself possessing its ownsystem of blood-capillaries, so that blood circulates freelythrough the gland, and in the measure of the physiologicalrequirements, so that every cell can get its due supply ofarterial blood, as in every other organ. Now, then, what canbe the purpose of all this capsular investment, with the mus-cular fibres richly interspersed, other than to effect rhythmical * Histology and Histochemistry of Man, p. 408. f Ibid., Fig. 404. 252 PHYSIOLOGICAL ANATOMY. changes of pressure in the follicles and lymph-channels forexpediting circulation in connection with the special functionsin the gland, seeing that muscular structure is for producingforce, here as elsewhere ?According to /Schwartz, the muscles of the capsule at the. Fig. 95.—From the Medullary Substaa jo of the Inguinal Gland of the Ox (after His).a. Lymph-tube with its complicated system of vessels ; c, portion of another : d,septa ; b, retinacula stretched between the tube and the septa. ^,JU>
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Keywords: ., bookcentury1800, bookde, booksubjectblood, booksubjectrespiration
