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MCAT Word List # MCAT/W78

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Description of axon hillock (noun: no plural)
origin of an axon of a nerve cell at which an action potential can be initiated

Samples of axon hillock
The axon hillock connects the cell body to the axon.

Determination of axon hillock
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Description of directly (adverb: more directly; most directly; less directly; least directly)
taking a straight route without involving another thing or person

Samples of directly
Ductless glands release hormones directly into the blood.



   
Description of enolization (noun: no plural)
transformation of a keto to an enol form

Samples of enolization
Enolization is the process of interconverting from the keto to the enol tautomer.

Determination of enolization
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Description of M.I. (abbreviation: myocardial infarction)
heart attack

Samples of M.I.
The patient suffered a massive MI and died.



   
Description of ferromagnetic (adjective)
characteristic of substances exhibiting extremely high magnetic permeability, a characteristic saturation point, and magnetic hysteresis

Samples of ferromagnetic
In ferromagnetic material the single atom has a net magnetic field.

Determination of ferromagnetic
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Description of mediastinum (noun: plural: mediastina)
space between the sternum and the spinal column

Samples of mediastinum
The heart, thymus, trachea, bronchi, esophagus, lymph nodes and aorta lie in the mediastinum.

Determination of mediastinum
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Description of gas tests (noun: only plural)
used to identify gases during analysis

Samples of gas tests
A gas test for ammonia is that it turns red litmus blue.



   
Description of actin (noun: no plural)
protein component of muscle fibers

Samples of actin
Actin and myosin are both needed to make a muscle bundle contract.



   
Description of lymph node (noun: plural: lymph nodes)
collection of white cells that act as filters to invading organisms and abnormal cells

Samples of lymph node
Lymph nodes are found all over the body, for example, in the groin, armpit, mesentery, mediastinum and neck.



   
Description of gonadotrophin (noun: plural: gonadotrophins)
hormone made in and released from the pituitary gland that act on the gonads (sex organs)

Samples of gonadotrophin
FSH is an example of a gonadotrophin.

Determination of gonadotrophin
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