What Kind Of Glands Secrete Through Ducts?
What Kind Of Glands Secrete Through Ducts? Exocrine glands are glands with ducts that secrete materials onto some surface—generally the skin, the gastrointestinal tract, or respiratory epithelium. What glands secrete products directly into the bloodstream without ducts? Endocrine glands are ductless glands and release the substances that they make (hormones) directly into the bloodstream. These