The following questions refer to the figure below of a coronal, T1-weighted MRI of the cavernous sinus with contrast enhancement. 
-Which line points to the trigeminal nerve, maxillary division (CN V2) ?
Definitions:
Sum
The result of adding two or more numbers or expressions together.
Polynomials
Algebraic expressions consisting of variables and coefficients, constructed from operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.
Expression
A combination of numbers, variables, operators, and sometimes parentheses that represents a value or quantity.
Decimal Notation
A way of expressing numbers that uses a decimal point to separate the whole part from the fractional part.
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Q41: In the figure below of a coronal,
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