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sterols

/ˈstɪrɔlz/ /ˈstɛrɔlz/

Meanings
noun
Any steroid that contains a hydroxyl group in the 3-position of the A-ring.

Examples :

"Sterols are found in all animal and plant tissue and play an important role in hormone chemistry."
biochemistry compound chemistry substance biology physiology medicine

Related Words

Illustration found

found verb

/faʊnd/

To encounter or discover by accident; to happen upon.

"While walking to school, Sarah found a lost wallet on the ground. "

Illustration important

important adjective

/ɪmˈpɔːtənt/ /ɪmˈpɔɹtənt/

Having relevant and crucial value.

"It is very important to give your daughter independence in her life so she learns from experience."

Illustration steroid

steroid noun

/ˈstɛɹɔɪd/

A class of organic compounds having a structure of 17 carbon atoms arranged in four rings; they are lipids, and occur naturally as sterols, bile acids, adrenal and sex hormones, and some vitamins; many drugs are synthetic steroids.

"My doctor prescribed a steroid cream to reduce the inflammation on my skin. "

Illustration tissue

tissue noun

/ˈtɪsjuː/ /ˈtɪʃu/

Thin, woven, gauze-like fabric.

"The delicate tissue paper wrapped the fragile antique doll. "

Illustration position

position noun

/pəˈzɪʃ(ə)n/

A place or location.

"My favorite position in the classroom is near the window. "

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 contains

contains verb

/kənˈteɪnz/

To hold inside.

"The box contains my old toys. "

Illustration group

group noun

/ɡɹuːp/

A number of things or persons being in some relation to one another.

"The group of students worked together on their project. "

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 hydroxyl

hydroxyl noun

/haɪˈdrɑːksɪl/ /haɪˈdrɒksɪl/

A univalent radical or functional group (–OH) in organic chemistry; present in alcohols, phenols, carboxylic acids and certain other classes of compounds.

"The scientist added a hydroxyl group to the molecule to make it a type of alcohol. "

Illustration plant

plant noun

/plænt/ /plɑːnt/

An organism that is not an animal, especially an organism capable of photosynthesis. Typically a small or herbaceous organism of this kind, rather than a tree.

"The garden had a couple of trees, and a cluster of colourful plants around the border."

Illustration animal

animal noun

/ˈænɪməl/

In scientific usage, a multicellular organism that is usually mobile, whose cells are not encased in a rigid cell wall (distinguishing it from plants and fungi) and which derives energy solely from the consumption of other organisms (distinguishing it from plants).

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."