Quick Answer: What Does Meatus Mean In Anatomy?

What does meatus mean in medical terms?

In anatomy, a meatus (/miːˈeɪtəs/, mee-AY-təs), plural ” meatus ” or “meatuses”, is a natural body opening or canal. Meatus may refer to: the external acoustic meatus, the opening of the ear canal. The internal auditory meatus, a canal in the temporal bone of the skull.

How many Meatuses are there?

Gross anatomy There are three main nasal meatuses: superior meatus. middle meatus. inferior meatus.

What is another word for meatus?

n. auditory meatus, auditory canal, nasal meatus, acoustic meatus, ear canal, external auditory canal.

What is the purpose of the meatus?

The external auditory meatus are slit-like openings that are closed by a fibrous flap and are protected by a dorsal shelf of bone (Figure 8-10, A, B). The fibrous flap serves to close the external opening when the animal submerges. The middle ear is separated from the external ear by a tympanic membrane.

What does notch mean in anatomy?

Notch – A depression in a bone which often, but not always, provides stabilization to an adjacent articulating bone. The articulating bone will slide into and out of the notch, guiding the range of motion of the joint.

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What is the acoustic meatus?

The internal acoustic canal (IAC), also known as the internal auditory canal or meatus (IAM), is a bony canal within the petrous portion of the temporal bone that transmits nerves and vessels from within the posterior cranial fossa to the auditory and vestibular apparatus.

What is a woman’s pee hole called?

There are two openings in the vulva — the vaginal opening and the opening to the urethra (the hole you pee out of). The urethral opening is the tiny hole that you pee out of, located just below your clitoris.

Why is my pee hole closing?

It’s called a urethral stricture. Scar tissue builds up in the tube, Dr. Lee says, narrowing the opening. That makes it hard to pee: The stream becomes slow and it may hurt, he says. Eventually, the tube can close completely.

What causes meatitis?

Meatitis, an inflammation generally secondary to ammoniacal diaper irritation, has been cited as the underlying cause of secondary meatal stenosis. The lack of protection by the foreskin in the circumcised male is thought to correlate with an increased incidence of meatitis.

What is a mythos?

1a: myth sense 1a. b: mythology sense 2a. 2: a pattern of beliefs expressing often symbolically the characteristic or prevalent attitudes in a group or culture. 3: theme, plot the starving artist mythos.

What is meatus of ear?

External auditory canal, also called external auditory meatus, or external acoustic meatus, passageway that leads from the outside of the head to the tympanic membrane, or eardrum membrane, of each ear. The structure of the external auditory canal is the same in all mammals.

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What imbibe means?

intransitive verb. 1: drink sense 2. 2a: to take in liquid. b: to absorb or assimilate moisture, gas, light, or heat. Other Words from imbibe Synonyms More Example Sentences Learn More About imbibe.

How far down the urethra is the prostate?

The prostatic urethra is the portion of the urethra that traverses the prostate. It originates in the region of the bladder neck, courses roughly 2.5 cm inferiorly, and terminates at the membranous urethra.

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