Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.rethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.
Collagen plugs. Collagen is a component of connective tissue. The dentist places a sponge like material made of specially processed bovine collagen into the socket and sutures it in place. A collagen plug is a good deal less expensive than a bone graft, and the procedure for placing it is easier.ollagen is a component of connective tissue. The dentist places a sponge like material made of specially processed bovine collagen into the socket and sutures it in place. A collagen plug is a good deal less expensive than a bone graft, and the procedure for placing it is easier.
What is a Composite Resin (White Filling)? A composite filling is a tooth-colored plastic and glass mixture used to restore decayed teeth. Composites are also used for cosmetic improvements of the smile by changing the color of the teeth or reshaping disfigured teeth. How is a composite placed? Following preparation, the dentist places the composite in layers, typically using a light specialized to harden each layer. When the process is finished, the dentist will shape the composite to fit the tooth. The dentist then polishes the composite to prevent staining and early wear.