nuclear receptors

What Are Cytosolic Receptors? Nuclear or cytosolic receptors include the binding sites for steroid hormones, thyroid hormones, vitamin D, and retinoic acids. … It now appears as though some hormones can also interact with receptors located on plasma membranes to affect neuronal excitability directly (nongenomic) and rapidly (msec). What is a cytoplasmic receptor? Internal receptors,