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MCAT Word List # MCAT/W21

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Description of lymph (noun: plural: lymphs)
the fluid present within the vessels of the lymphatic system

Samples of lymph
Lymph has a similar composition to plasma although it contains less protein and cells such as lymphocytes (immune cells).



   
Description of atomic mass (noun: no plural)
this is the number that shows how heavy an atom of that element is compared to another element

Samples of atomic mass
The total number of protons and neutrons in the nucleus is the atomic mass.

Determination of atomic mass
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Description of dilate (verb: dilated; dilated; dilating)
to get bigger

Samples of dilate
The pupils dilate in a dark room.



   
Description of circum- (preffix)
means around

Samples of circum-
The circumference of a circle is the distance around the circle's edge.



   
Description of motile (adjective)
able to move by itself

Samples of motile
Sperm cells are motile.



   
Description of triiodothyronine (T-3) (noun: no plural)
hormone made by the thyroid gland

Samples of triiodothyronine (T-3)
Deficiency of triiodothyronine may cause a hypothyroid state.

Determination of triiodothyronine (T-3)
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Description of collagen (noun: no plural)
fibrous protein found in connective tissue; protein constituent of bone, cartilage, tendon, and other connective tissue converting into gelatin by boiling

Samples of collagen
Collagen fibers have limited elasticity.
Collagen can occur as sheets or long strands.



   
Description of hypothesis (noun: plural: hypotheses)
an unproven idea or generalization

Samples of hypothesis
Scientific experimentation seeks to test hypotheses.



   
Description of growth (noun: no plural)
the mechanisms which increase the quantity, size or mass of an organism

Samples of growth
Growth factors stimulate cell growth.



   
Description of seminal fluid (noun: plural: seminal fluids)
containing glandular secretions from the testicle, seminal vesicles, prostate, vas deferens, Cowper's and other small glands; fluid part of semen without sperm

Samples of seminal fluid
The seminal fluid provides a transport medium and nourishment for the developing spermatozoa.
Seminal fluid produced by the seminal vesicles, the prostate gland, and the bulbourethral gland is mixed with sperm in the reproductive tract.

Determination of seminal fluid
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