Important (Read me first!)

This post is a commentary and does not contain any copyrighted material of the reference source.

We strongly recommend accessing/buying the reference source at the same time.

Reference Source

You can understand each word more deeply by utilizing the following YouTube Posts and PDF files.
Also, see how to use Englist.me?

All Words (121 Words)

You can learn all the words from basic to advanced levels in the order they appear in the contents.
If you want learn all words quickly, you can use Quick Look Video.

Quick Look


YouTube Post

Vocabulary Builder

Advanced Words (39 Words)

If you are confident in your vocabulary, you may prefer to study with content that covers only advanced-level words.

YouTube Post

Vocabulary Builder

Word List

You can quickly review the words in this content from the list below.

vitron: (used as “in vitro”) a scientific experiment or procedure that takes place outside of a living organism, usually in a test tube or petri dish
fertilizationn: the process of joining a sperm and an egg to produce an embryo
revolutionn: a large-scale attempt to overthrow the government of a country, often using violence or war;
reproductiveadj: connected with the process of reproduction; relating to reproducing babies, young animals, or plants
medicinaladj: of or relating to the treatment or cure of disease
approximatelyadv: close to a specific number or time but not exactly that number or time
heterosexualadj: attracted to individuals of the opposite sex
difficultyn: a condition or state that causes problems
conceivev: to have or develop an idea, a plan, etc. in mind; to become pregnant
homosexualadj: sexually attracted to people of one’s own sex
clinicaladj: of or relating to the examination and treatment of patients rather than theoretical or laboratory studies
mimicv: to imitate someone’s speech, movement, or behavior, especially to make others laugh
brilliantadj: extremely clever, skilled, or impressive
reproductionn: the process by which organisms create offspring; the production of something similar to an original work
processn: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products
brainn: the organ inside the head that is responsible for one’s movement, thought, memory, and feeling
roughlyadv: approximately but not precisely; with a violent manner
anterioradj: located in or directed toward the front
pituitaryn: a small, pea-sized gland located at the base of the brain that influences the growth and sexual development of the body by producing hormones
glandn: a group of cells in an animal’s body that produce substances needed by the body and release them through ducts or directly into the bloodstream
folliclen: a small sac or cavity in the body, especially in the skin or scalp, that contains and nourishes a hair or feather; a small gland or sac that produces and releases a bodily secretion
stimmingn: a behavior often exhibited by individuals on the autism spectrum characterized by repetitive bodily movements or sounds, such as hand flapping or rocking, often used as a form of self-regulation or sensory stimulation
hormonen: a chemical substance made by organs that encourages or influences the development, growth, sex, etc., of an animal and is carried around the body in the blood
ripenv: to cause something to be fully developed; to become ripe
ovaryn: either of the pair of organs in the female reproductive system that produces eggs; (of a plant) the organ that bears the ovules of a flower
releasev: to set free or allow to escape from confinement
estrogenn: a category of female steroid sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics
coordinatev: to bring the different parts of the activity and the people into an organized, ordered, or efficient relationship; (adjective) of equal importance, rank, or degree
preparationn: the activity of getting ready for something or making something ready
uterusn: a hollow muscular organ in the body of a woman or other female mammal in which a baby or young animal develops before birth
communicatev: to share or exchange information with others by speaking, writing, moving your body, or using other signals
developv: to grow or expand; to improve or refine through a process of progress and refinement, often to achieve greater sophistication or complexity; to elaborate or add detail to something that is in the process of being created
surgen: a sudden and great increase of something, such as a feeling, the amount or number, etc.
luteinn: a yellow pigment found in many plants, particularly leafy green vegetables like spinach and kale; lutein is an antioxidant and is thought to have benefits for eye health and cognition
triggerv: to make something happen suddenly; to cause something such as a device, machine, etc. to function
ovulationn: the process in a woman’s menstrual cycle during which an ovary releases an egg
rupturen: a break or tear in something, especially a bodily tissue or a physical object
fallopiann: one of a pair of tubes that connect the ovaries to the uterus in female reproductive systems, through which eggs travel from the ovaries to the uterus
tuben: a cylindrical container of metal, plastic, glass, etc., usually sealed and used as a means of preserving food or chemicals; a hollow cylindrical shape
fertilizev: to cause an egg, female animal, or plant to develop by joining sperm from the male with them; to add a natural or chemical substance to land to make plants grow well
spermn: the reproductive cell produced by a man or male animal
resetv: to set again or differently; to return to a previous state or condition
cellularadj: of or connected with the cells of animals or plants; of or connected with a mobile telephone system that uses several short-range radio stations instead of wires
shelln: hard outer covering or case of eggs, nuts, some seeds, and some animals
proteinn: a molecule made up of a long chain of amino acids, which is essential for the structure and function of the body’s tissues
pellucidadj: transparent, clear, and easy to understand; easily comprehensible or intelligible; allowing light to pass through freely
thwartv: to prevent something from happening or succeeding
fusionn: the process of combining two or more things to form a single entity
constantlyadv: all the time
renewv: to begin or resume something again after an interruption
ejaculationn: a sudden and forceful expulsion of something from the body, especially of semen, during sexual activity; a sudden and forceful expression of emotion or sound, similar to a cry
intercoursen: communication between individuals; the sexual activity between individuals, especially the insertion of a man’s penis into a woman’s vagina
ultimateadj: furthest or highest in degree or order
proximityn: the state or quality of being near or close to something or someone in distance or time
penetratev: to pass into or through something, often by overcoming resistance
zygoten: the initial stage of development in a fertilized egg, resulting from the fusion of a sperm cell and an egg cell in sexual reproduction
immediatelyadv: now or without delay
embryon: an animal organism in the early stages of growth, either in its mother’s womb or in an egg, or a plant that is developing in a seed
implantv: to insert or fix an artificial device in a person’s body; to put an idea, attitude, etc., firmly in the mind
firmadj: resolute or unwavering in decision-making or action; strong or secure in structure, make, or composition; reliable, trustworthy, or dependable; (noun) a business or company
endometriumn: the inner mucous membrane that lines the uterus (= the organ in which a fetus develops)
placentan: a temporary organ that feeds a fetus (= unborn and developing baby) inside its mother’s womb
pregnantadj: having a baby or young animal developing in the uterus
rescuev: to save someone or something from a dangerous or difficult situation
corpusn: a collection of texts or documents, usually used in research or analysis
degeneratev: (of a person, animal, or plant) to become worse in health or physical condition
normallyadv: usually; under normal conditions
menstrualadj: of or relating to the time when a woman menstruates (= to discharge the blood from the uterus) each month
responsibleadj: answerable or accountable for something within one’s power, control, or management
progesteronen: a hormone mainly produced in the ovaries of females that helps regulate the menstrual cycle and plays a crucial role in pregnancy
maintainv: to continue to uphold or sustain; to keep in a particular state or condition; to assert or declare something to be true
gestationn: the state of being pregnant; the period during which an embryo or fetus develops, usually about 280 days in humans
labn: a workplace for the conduct of scientific research; a laboratory
patientn: a person who is receiving medical treatment, care, or attention from a healthcare professional, such as a doctor, nurse, or therapist; a personal quality or characteristic
undergov: to go through something unpleasant or that involves a change
administratorn: a person or organization responsible for managing and directing the affairs of a business, institution, government agency, or other organization; someone who administers, regulates, or supervises
naturallyadv: as might be expected; by natural manners
stimulationn: the act of arousing interest or activity in something; the action of providing a stimulus
retrievev: to find or get something back
anesthesian: a state of controlled, temporary loss of bodily sensation or awareness that is induced for medical purposes
aspirationn: a strong desire to achieve something; the action or process of drawing breath
needlen: a thin, pointed object typically used for sewing or medical purposes; a metal or plastic instrument used for administering injections or drawing blood
ultrasoundn: higher frequency sound than humans can hear
masturbationn: the act of sexually stimulating oneself by touching or rubbing one’s genitals, typically resulting in orgasm or sexual release
laboratoryn: a workplace for doing scientific research or teaching science; a lab
identifyv: to recognize someone or something and say or prove who or what they are
stripv: to remove the surface from something; (noun) a sizeable narrow piece of something such as paper, metal, cloth, etc., or area of land, sea, etc.
surroundingadj: that is near or around, or closely encircling something
petrin: (petri dish) a small, clear, and round dish with a lid used in laboratories, especially for growing bacteria
techniquen: a particular way or art of doing something that needs skill
incubatev: to keep warm and protected, especially to hatch eggs; to develop and nurture
maximn: a well-known phrase that expresses a general or fundamental truth, principle, or rule for behavior
certaintyn: the state of being certain
geneticadj: of or relating to genes (= parts of the DNA in cells) or the science of genes
suitableadj: fit or appropriate; proper; adapted
attemptn: an act or effort of trying to do something, especially something difficult
cathetern: a thin, flexible tube that is inserted into a body cavity, duct, or vessel to drain fluid, inject medication, or perform a medical procedure
conventionn: a large formal assembly of people who do a particular job or have a similar interest or of a political party; something regarded as a normative example
transferv: to move, pass, or change from one person, place, or situation to another
blastocystn: an early stage in the development of an embryo, consisting of a hollow ball of cells that implants into the uterine wall during pregnancy
toxicadj: of or relating to or caused by a poison; poisonous
exposuren: the state of being in a particular situation or place where there is no protection from or guarantee to something harmful; the disclosure of something secret
cancern: abnormal growth of cells that can invade and destroy surrounding tissues and organs; a disease characterized by the uncontrolled growth and spread of abnormal cells
donorn: a person or an organization that makes a gift of money, food, supplies, etc. to a cause or fund; in medicine, a person who gives blood or tissue or an organ to be used in another person
intentn: a strong determination or attention to do or achieve something; (adjective) having a strong determination to do or achieve something
problematicadj: full of difficulties; difficult to deal with or solve
surrogateadj: acting as a substitute or replacement for someone or something else; having a similar function or purpose
oddsn: the degree or probability that a particular thing will or will not happen
twinn: either of two children born at the same time from the same mother
tripletn: a group of three things or people, especially three babies born at the same time from the same pregnancy
clinicn: a building or hospital department where people can go for medical care or advice, especially of a particular condition
minimizev: to make something, especially something bad, small or less serious
riskyadj: involving the possibility of danger, failure, or loss
normn: something that is regarded as usual, typical, or standard
consequencen: the outcome of a particular action or event, especially relative to an individual
delayv: to cause something to happen at a later time than originally intended or expected
childbearingn: the act of giving birth to or bearing a child (or children), often in the context of medical or demographic research or public policy
diminishv: to reduce or be reduced in size, extent, or importance; to make something smaller, weaker, etc.
inconceivableadj: hard to imagine or believe
relatev: to establish a connection or association between two or more things; to narrate or tell about an event, experience, or relationship; to empathize or feel sympathy with someone or something
outpacev: to move or proceed at a faster rate than someone or something else; to surpass or exceed someone’s or something’s performance or ability