Frenulum

Frenulum is a small fold of tissue that secures or restricts the motion of a mobile organ in the body. There are several frenula in different parts of the human body, such as those found in the mouth, digestive tract, and genitals.

Anatomy

The term "frenulum" is derived from the Latin word "frenum," which means "bridle." In the human body, a frenulum is a fold of tissue or muscle that supports an organ or structure, keeps it in place, and restricts its movement to a certain extent.

Oral Frenula

In the mouth, there are three frenula:

• The lingual frenulum under the tongue.
• The labial frenulum attaching the inside of the upper lip to the gums.
• The inferior labial frenulum attaching the inside of the lower lip to the gums.

Digestive Tract Frenula

In the digestive tract, there are two frenula:

• The frenulum of ileocecal valve in the gastrointestinal tract.
• The frenulum of appendix in the gastrointestinal tract.

Genital Frenula

In the genitals, there are three frenula:

• The frenulum of prepuce of penis in males.
• The frenulum of labia minora in females.
• The frenulum of clitoris in females.

Clinical Significance

The frenulum can sometimes be the site of certain medical conditions. For example, a short lingual frenulum (a condition known as ankyloglossia or "tongue-tie") can cause speech difficulties and problems with breastfeeding in infants. Similarly, a short frenulum of the penis can cause discomfort during sexual activities.

See Also

• Anatomy
• Oral anatomy
• Digestive system
• Genital anatomy

References

Frenulum Resources
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