First, refer to different
1, penis: penis.
2. Dick: Guy.
Second, the usage is different.
1, penis: The penis is an important sexual organ of men, which has the functions of sexual intercourse, urination and ejaculation. The penis is mainly composed of two penile cavernous bodies and one urethral cavernous body, surrounded by basal fascia and skin.
2. Dick: Although Dick also refers to male sex organs, he tends to be colloquial and often uses derogatory words.
Third, the emphasis is different.
1, penis: relatively written, specifically for testicles in medicine.
2. Dick: More oral, referring to male genitalia.