释义 |
chemoreceptor noun[ C ] anatomy specializeduk /ˌkiː.məʊ.rɪˈsep.tər//ˌkem.əʊ.rɪˈsep.tər/ us / ˌki.moʊ.rɪˈsep.tɚ// ˌkem.oʊ.rɪˈsep.tɚ/ a cell that reacts to chemicals in the body and sends signals to the brain about breathing, tastes, and smells: The scale measures the amount of capsaicin in each chilli, which reacts with chemoreceptors in the skin. Hypoxia stimulates the central chemoreceptors in the medulla that make the patient breathe. The simple reflex arises following stimulation of oral chemoreceptors. The central respiratory control system is highly sensitive to the feedback it receives from the peripheral and central chemoreceptors. The most discrete peripheral chemoreceptor sites are the carotid and aortic bodies. SMART Vocabulary: related words and phrases Substances & structures in the body abductor accessorius ACL actin adductor funiculus fusiform glomerular glomerulus GnRH navicular neuroendocrine neurohormonal neurohormone nociceptive tendinous tendinum tendo tensor Th |