Nostrils
The opening of the urethra is the external urethral orifice.
That is the nostrils.
Nostrils
opening of the nose
The nose and naval cavity from the main external opening for the respiratory system and its the first section of the body's airway's nose is a structure of the made of cartilage bone,muscle and skin that supports and protects the anterior portion of the nasal cavity.
meatus
A single opening of your nose is known as a nostril, nostrils is the plural form. Your nostrils are two channels through the nose, separated by the septum.
The external opening is the urethra. Not really. The urethra is the tube that leads from the bladder. The opening is called the urethral opening.
This is the external opening of the urethra.
Nipples are the external opening of the mammary glands.
External injuries to the nose are usually blunt force injuries related to sports participation, criminal violence, parental abuse, or automobile or bicycle accidents.
A blind abscess is an abscess with no external opening.