1An organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
- In the special sense organs, such as the eye and the ear, highly specialized receptors respond to light and sound.
- Our own skin contains a battery of touch receptors that produce nerve signals when pressed.
- However, they have some ability to sense light through receptors in the epidermis.
1.1A region of tissue, or a molecule in a cell membrane, that responds specifically to a particular neurotransmitter, hormone, antigen, or other substance.
- When the neurotransmitter binds with the receptor, the next cell responds accordingly.
- Hormones work by docking with a specific receptor on a cell, which then responds by turning on genes.
- Finally, the presence of a specific receptor in the target tissue is required for a hormone to have its effect.
Words that rhyme with receptorinceptor, preceptor, sceptre (US scepter)
For editors and proofreaders
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.