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melatonin

/ˌmɛləˈtoʊnɪn/

Meanings
noun
A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals

Examples :

"Many people take melatonin supplements to help them fall asleep more easily at night. "
physiology biochemistry medicine biology substance body organ

Related Words

Illustration mammals

mammals noun

/ˈmæməlz/

An animal of the class Mammalia, characterized by being warm-blooded, having hair and feeding milk to its young.

"My pet cat is a mammal, and so are my dogs. "

Illustration secreted

secreted verb

/ˈsiːkɹətɪd/ /sɪˈkɹiːtɪd/

To make or keep secret.

"The shy student secreted the note under his desk, hoping no one would see it. "

Illustration material

material noun

/məˈtɪəɹɪəl/ /məˈtɪɹi.əl/

Matter which may be shaped or manipulated, particularly in making something.

"Asphalt, composed of oil and sand, is a widely used material for roads."

Illustration chemistry

chemistry noun

/ˈkɛm.ɪ.stɹi/

The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.

"The chemistry class focused on how different elements combine to form new substances. "

Illustration involved

involved verb

/ɪnˈvɒlvd/ /ɪnˈvɑlvd/

To roll or fold up; to wind round; to entwine.

"The gardener involved the climbing roses around the arbor. "

Illustration stimulates

stimulates verb

/ˈstɪmjuleɪts/

To encourage into action.

"The smell of coffee stimulates me to wake up in the morning. "

Illustration reproductive

reproductive noun

/ˌriːprəˈdʌktɪv/ /ˌrɛprəˈdʌktɪv/

A reproductive organism (especially such as in an insect).

"The scientist studied the reproductive cycle of the fruit flies in her lab. "

Illustration reptiles

reptiles noun

/ˈrɛptaɪlz/ /ˈrɛptɪlz/

A cold-blooded vertebrate of the class Reptilia.

"The zoo has a special building just for reptiles, like snakes and lizards. "

Illustration related

related verb

/ɹɪˈleɪtɪd/

To tell in a descriptive way.

"Please relate the circumstances of your journey here today."

Illustration serotonin

serotonin noun

/ˌsɛɹəˈtəʊnɪn/ /ˌsɛɹəˈtoʊnɪn/

An indoleamine neurotransmitter, 5-hydroxytryptamine, that is involved in depression, appetite, etc., and is crucial in maintaining a sense of well-being, security, etc.

"Exercise and spending time in nature can boost serotonin levels, leading to improved mood and a greater sense of well-being. "

Illustration hormone

hormone noun

/ˈhɔːməʊn/ /ˈhɔːɹmoʊn/

Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.

"The hormone adrenaline was released into her bloodstream, causing her heart to race as she prepared for the big presentation. "

Illustration supplements

supplements noun

/ˈsʌpləmənts/ /ˈsʌplɪmənts/

Something added, especially to make up for a deficiency.

""Because she wasn't getting enough vitamins from her diet, the doctor recommended she take daily supplements." "