Endocrine cells secrete by exocytosis into the fluid surrounding the cell. Endocrine cells may either be single cells or aggregations of cells and secrete hormones that serve as chemical messengers. Aggregations of endocrine cells, such as the thyroid, adrenal or pituitary glands, are ductless. 2.
1 Arrange the potatoes on your food dehydrator trays, making sure the potatoes don't overlap. 2  Turn on your food dehydrator and set the temperature between 125Â°F and 135Â°F (or per your food dehydrator's instructions). 3  Potatoes will be leathery and/or brittle when fully dried. 4  Drying time for potatoes: between 6-14 hours.
Heat oven to 375 degrees Fahrenheit. Pierce the washed sweet potatoes with a fork so the steam can escape. Place the sweet potatoes in the oven on the oven rack and bake for about 45 minutes or until tender when pierced with a fork. Remove the sweet potatoes from the oven and cut the potatoes lengthwise. Scoop out the potato flesh into a bowl, taking care to keep the skins intact.