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MCAT Word List # MCAT/M121

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  Word Explanations denaturation, seminiferous tubules, vas deferens, acromegaly, zona pellucida, convulsions, asexual reproduction, bone marrow, hysterectomy, antigen


   
Explanation of denaturation (noun)
form: no plural

process in which proteins lose their tertiary structure leading to the elimination or diminishing of their original features

Sample of denaturation
Changes in pH, temperature, or solute concentration can lead to denaturation.



   
Explanation of seminiferous tubules (noun)
form: only plural

tubules in each lubule of the testis

Sample of seminiferous tubules
In the seminiferous tubules of the testes the development of sperm takes place.



   
Explanation of vas deferens (noun)
form plural: vasa deferens

paired duct that carries sperm from the testis to the ejaculatory duct

Sample of vas deferens
Cutting the vas deferens is called a vasectomy.



   
Explanation of acromegaly (noun)
form: no plural

chronic disease produced by an overactivity of the pituitary gland leading to an enlargement of bones

Sample of acromegaly
Acromegaly is caused by an overproduction of the growth hormone.



   
Explanation of zona pellucida (noun)
form plural: zona pellucidae

thick membrane surrounding the female ova

Sample of zona pellucida
The zona pellucida is transparent.



   
Explanation of convulsions (noun)
form: only plural

fits

Sample of convulsions
Epilepsy is an illness where the patient has convulsions.



   
Explanation of asexual reproduction (noun)
form: no plural

reproduction by one organism

Sample of asexual reproduction
An amoeba reproduces by asexual reproduction.



   
Explanation of bone marrow (noun)
form: no plural

spongy, red tissue found in the reticulo-endothelial system of mammals

Sample of bone marrow
Red blood cells, platelets and some white cells are made in the bone marrow.



   
Explanation of hysterectomy (noun)
form plural: hysterectomies

a surgical operation where the womb is removed

Sample of hysterectomy
Hysterectomy may be performed for cancer of the uterus.



   
Explanation of antigen (noun)
form plural: antigens

any substance the body reacts to as foreign or harmful, by producing an antibody against it

Sample of antigen
Most antigens are large proteins or carbohydrate.



  Explain the words denaturation, seminiferous tubules, vas deferens, acromegaly, zona pellucida, convulsions, asexual reproduction, bone marrow, hysterectomy, antigen

  Preparation book: Handbook of Acromegaly

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     MCAT test: Vocabulary Test: English Nouns         MCAT test: Word games: Free Online Noun Quiz         MCAT Sample Test: (printable version)         Meaning of denaturation, seminiferous tubules, vas deferens, acromegaly, zona pellucida, convulsions, asexual reproduction