internal

As an adjective internal

is inside of something.

As a noun mesofurca is

(entomology) the internal skeletal element of the mesosternum.

As adjectives the difference between internal and externalist

is that internal is inside of something while externalist is (epistemology) contending that there are non-internal factors which can affect the justificatory status of a belief.

As a noun externalist is

one who adheres to beliefs.

As adjectives the difference between internal and endoskeletal

is that internal is inside of something while endoskeletal is (anatomy) of or pertaining to an internal skeleton, usually of bone (an endoskeleton).

As adjectives the difference between internal and amphiphloic

is that internal is inside of something while amphiphloic is (botany) of stems in which the phloem is both external and internal to the xylem.

As an adjective internal

is inside of something.

As a noun situationism is

(psychology) a school of thought which holds that personality is more influenced by external factors than by internal traits or motivations.

As an adjective internal

is inside of something.

As a noun osselet is

a little bone.