Some cells secrete chemicals into the extracellular fluid that act on cells in the same tissue. Which of the following refers to this type of regulation?: (A) Neural, (B) Endocrine, (C) Neuroendocrine, (D) Paracrine
Answer is D. Paracrine communication is cell secretions that diffuse into the extracellular fluid to affect neighboring cells Autocrine communication-Cells secretes chemical messengers that in some situations bind to receptors on the same cell, that secreted the messenger