<Ul> <Li> Intracrine signals are produced by the target cell that stay within the target cell . </Li> <Li> Autocrine signals are produced by the target cell , are secreted , and affect the target cell itself via receptors . Sometimes autocrine cells can target cells close by if they are the same type of cell as the emitting cell . An example of this are immune cells . </Li> <Li> Juxtacrine signals target adjacent ( touching ) cells . These signals are transmitted along cell membranes via protein or lipid components integral to the membrane and are capable of affecting either the emitting cell or cells immediately adjacent . </Li> <Li> Paracrine signals target cells in the vicinity of the emitting cell . Neurotransmitters represent an example . </Li> <Li> Endocrine signals target distant cells . Endocrine cells produce hormones that travel through the blood to reach all parts of the body . </Li> </Ul>
<Ul> <Li> Intracrine signals are produced by the target cell that stay within the target cell . </Li> <Li> Autocrine signals are produced by the target cell , are secreted , and affect the target cell itself via receptors . Sometimes autocrine cells can target cells close by if they are the same type of cell as the emitting cell . An example of this are immune cells . </Li> <Li> Juxtacrine signals target adjacent ( touching ) cells . These signals are transmitted along cell membranes via protein or lipid components integral to the membrane and are capable of affecting either the emitting cell or cells immediately adjacent . </Li> <Li> Paracrine signals target cells in the vicinity of the emitting cell . Neurotransmitters represent an example . </Li> <Li> Endocrine signals target distant cells . Endocrine cells produce hormones that travel through the blood to reach all parts of the body . </Li> </Ul>
chemical signals that act from cell to cell are called
chemical signals that act from cell to cell are called
Juxtacrine Paracrine Endocrine
Juxtacrine Paracrine Endocrine