Glutamate transporter. Glutamate transporters are a family of neurotransmitter transporter proteins that move glutamate â the principal excitatory neurotransmitter â across a membrane. The family of glutamate transporters is composed of two primary subclasses: the excitatory amino acid transporter (EAAT) family and vesicular glutamate transporter (VGLUT) family.
Also known as the bulbourethral glands, are located on either side of the urethra just below the prostate gland and their ducts open into the urethra. They secrete thick mucus acting as a lubricant.he ejaculatory duct in the seminal vesicles passes through the prostate gland and enters the urethra. Glands located at the base of the urinary bladder, opening into the vas deferens as it joins the urethra.
1 The prostate is a walnut sized gland that is part of the male reproductive system. 2  The prostate is located beneath the urinary bladder and in front of the rectum.  The prostate makes some of the fluid that nourishes and protects sperm cells in the semen.