The thick secretions contain proteins, enzymes, fructose, mucus, vitamin C, flavins, phosphorylcholine and prostaglandins. The high fructose concentrations provide nutrient energy for the spermatozoa when stored in semen in the laboratory. Spermatozoa ejaculated in the vagina are not likely to have contact with the seminal vesicular fluid but transfer directly from the prostatic fluid into the cervical mucus as the first step on their travel through the female reproductive system. The fluid is expelled under sympathetic contraction of the muscularis muscle coat.
The height of these columnar cells, and therefore activity, is dependent upon testosterone levels in the blood.
The lumen is large and stores the fluid secretions (but not spermatozoa) between ejaculations.
From inside to out, the layers are:
Prostatic Glands and Urothelial Epithelium in a Seminal Vesicle Cyst: Report of a Case and Review of Pathologic Features and Prostatic Ectopy
Feb 01, 2006; We report a case of a seminal vesicle cyst containing prostatic glands and urothelial epithelium in a patient with no other...
Histologic and histochemical characterization of seminal vesicle intraluminal secretions: Particular emphasis on their crystalloid morphology
Jan 01, 2001; * Context.-We have observed intraluminal crystalloid morphology in seminal vesicles that is superficially similar to that seen in...