An Adam’s apple is the visible bump on the front of your throat created by the largest piece of cartilage in your voice box. Its medical name is the laryngeal prominence, and it’s formed where two plates of thyroid cartilage meet at an angle. Everyone has this cartilage, but it tends to be much more noticeable in males because of how the voice box grows during puberty.
The Cartilage Behind the Bump
Your voice box (larynx) is built from several pieces of cartilage, and the thyroid cartilage is the biggest one. It’s made of two flat plates, called laminae, that are open in the back and fused together at the front of your throat. The angle where they join creates the ridge you can feel and often see on your neck.
This cartilage acts as a protective shell around the vocal cords and other delicate structures inside the larynx. It gives the voice box its shape and provides an anchor point for muscles involved in swallowing, breathing, and speaking. Without it, the soft tissues of the larynx would be far more vulnerable to injury.
Why It Gets Bigger During Puberty
The Adam’s apple becomes prominent because of testosterone. When boys enter puberty, typically between ages 11 and 15, rising testosterone levels trigger a growth spurt in the larynx. The voice box gets noticeably larger, the vocal cords lengthen, and the whole structure tilts forward at a sharper angle, pushing the cartilage outward against the skin of the throat.
The growth is dramatic. By adulthood, the vibrating portion of the male vocal cords is roughly 60% longer than in females, which drops the speaking voice by about half in pitch. The larynx also descends lower in the throat during male puberty, settling about one full vertebra below where it sits in females. This lengthens the throat cavity above the voice box, further deepening the voice. The visible bump is essentially a side effect of all this internal remodeling.
Do Women Have One?
Yes. Women have the same thyroid cartilage covering their voice box. The difference is in the angle. In males, the two cartilage plates meet at a tighter angle, averaging around 88 degrees. In females, that angle is wider, averaging about 103 degrees. A sharper angle creates a more pointed, visible ridge. A wider angle produces a flatter profile that blends into the neck.
Some women do have a visible Adam’s apple, and some men have a relatively small one. Body fat distribution, neck thickness, and individual variation in cartilage growth all play a role in how prominent it appears. Size alone doesn’t indicate anything about health or hormone levels.
Why Humans Evolved a Visible Larynx
Evolutionary biologists have a few theories about why the male larynx grew so much larger than the female one. The human larynx grows more or less perpendicular to the body, meaning it can protrude outward from the neck without interfering with other structures. This made it easy for size differences to develop over evolutionary time.
One theory centers on competition. A deeper voice may have signaled larger body size to rivals, helping resolve conflicts without physical confrontation. Selection pressure for this kind of bluffing would have favored males with bigger larynxes and lower voices. Another theory frames the deep voice as a form of ornamentation, similar to a peacock’s tail. In this view, the hormone-driven changes in the male voice became attractive to potential mates precisely because they signaled healthy development. Both mechanisms likely played a role.
Pain or Swelling Around the Adam’s Apple
The bump itself is just cartilage and doesn’t cause problems on its own. But the throat is packed with important structures, and several conditions can cause pain or swelling in the area that people associate with the Adam’s apple.
- Laryngitis: Inflammation of the voice box, often from a viral infection or overuse, can make the area feel sore and tender.
- Goiter: The thyroid gland sits just below the Adam’s apple. When it enlarges, it can create visible swelling that looks like the bump has grown.
- Pharyngitis: A sore throat from infection or irritation can radiate pain to the front of the neck.
- Thyroid conditions: Both thyroid inflammation and, more rarely, thyroid cancer can cause swelling or discomfort in this region.
- Esophageal irritation: Inflammation of the esophagus, including from acid reflux or fungal infections, can produce pain that feels like it’s coming from the Adam’s apple area.
A lump that’s new, growing, or accompanied by difficulty swallowing or voice changes is worth getting checked. The cartilage itself doesn’t grow or change in adults, so new swelling in the area usually involves a nearby structure rather than the Adam’s apple itself.
Surgical Reduction
Some people choose to have their Adam’s apple reduced through a procedure commonly called a tracheal shave (formally, chondrolaryngoplasty). This is most often sought by transgender women or others who want a smoother neck profile. It’s an outpatient surgery, meaning you go home the same day, performed under either local or general anesthesia.
The surgeon makes a small incision on the neck and shaves down the cartilage to reduce the prominence. Stitches come out after about a week, and full recovery takes roughly a month. Surgeons typically try to place the incision in a natural skin fold to minimize visible scarring.
The main risk is removing too much cartilage, which can permanently affect the vocal cords. Other possible complications include hoarseness, pain or difficulty swallowing, and vocal cord spasms. Because the cartilage sits so close to the vocal cords, the surgeon has to balance achieving a cosmetic result with preserving voice quality. Most people recover without lasting issues, but the voice-related risks are worth understanding before going in.