. The endocrine organs; an introduction to the study of internal secretion . There is a small amount of reticular connective tissue between the few nerves have been traced into the pars anterior from the pars nervosa. Under certain circumstances in man and mammals, especially in casesof thyroid absence or insufficiency, a product of secretion of the anterior 80 The Endocrine Organs lobe cells which has the appearance of colloid appears to accumulatebetween the cells. These in some parts come to be arranged round thecolloid in the form of vesicles which are not very unlike those of thet
. The endocrine organs; an introduction to the study of internal secretion . There is a small amount of reticular connective tissue between the few nerves have been traced into the pars anterior from the pars nervosa. Under certain circumstances in man and mammals, especially in casesof thyroid absence or insufficiency, a product of secretion of the anterior 80 The Endocrine Organs lobe cells which has the appearance of colloid appears to accumulatebetween the cells. These in some parts come to be arranged round thecolloid in the form of vesicles which are not very unlike those of thethyroid gland. Even normally this appearance may be observed in thepars anterior (fig. 52), although it is more characteristically seen in thepars intermedia (figs. 50, c, 53, 54). Pars intermedia.—As has been stated, the pars intermedia, althoughwell provided with blood-vessels, is far less vascular than the pars the circumference of the intraglandular cleft these two parts are con-tinuous into one another without a sharp line of demarcation, although it is. , i
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