This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital System, Subject name: Anatomy
Coverings of spermatic cord are all except - 
Select and explain. 
A. Internal spermatic fascia, B. Cremasteric fascia, C. External spermatic fascia, D. Dartos muscle
D: Dartos muscle
Answer: D: Dartos muscle 
Explanation: Ans. is 'd' i.e., Dartos muscleo The spermatic cord consists of a tubular sheath extending from the deep inguinal ring to the upper part of posterior border of testis. Constituents of spermatic cord are -i) Ductus deferens (Vas deferens)ii) Arteries:- Testicular artery, cremestric artery, artery to ductus deferens.iii) Veins:- Pampiniform plexus.iv) Nerves:- Genital branch of genitofemoral nerve and sympathetic plexus around arteries.v) Others :- Lymphatics, remains of the processus vaginalis.o Covering of spermatic cord, from within outwards, are :- (i) internal spermatic fascia, (ii) cremasteric fascia and (iii) external spermatic fascia.