What Are The Five Layers Of The Scalp- Explained

Layers Of The Scalp

 

This is the most comprehensive guide that helps you to know about your layers of the scalp.

The best part?

I am going to show you in detail about the five layers of the scalp, and how to keep your scalp healthy, that really helpful for you.

In short: If you really want to know about your layers of the scalp and you want to keep your scalp healthy, you’ll love this guide.

Let’s get started

What Are The Five Layers Of The Scalp? | Parts of the Scalp

Your scalp is made of the skin layers.

Your cranial vault bones are covered by the subcutaneous tissue, hair scalp is like soft tissue. 

 

They help you to protect your cranial vault from infectious agents. Your scalp divided into 5 layers. 

 

SCALP = {(S – SKIN)+ (C – CONNECTIVE TISSUE)+ (A – APONEUROSIS) + (L – LOOSE CONNECTIVE TISSUE)+ (P -PERICRANIUM OR PERIOSTEUM)}.

 

Layers Of The Scalp

 

Here the parts of scalp or layers of the scalp:

  • 1. Skin:

The first layer of your scalp is skin.

This is the skin from where your hair grows.

Your skin contains your all hair follicles and your sebaceous glands.

  • 2. Connective Tissue:

 The second layer of your scalp is Dense connective tissue.

It also knows as a Dense connective tissue or superficial fascia.

Your Dense connective tissue is made of subcutaneous layers like fat, blood vessels, nerves, and lymphatic system.

  • 3. Aponeurosis:

The third layer of your scalp is Aponeurosis.

It is also is known as epicranial aponeurosis or galea aponeurotica.

The aponeurosis is a tough layer of your scalp that keeps the frontalis muscles and occipitalis connected.

Action Of Occipitofrontalis Muscle :

A. Frontal belly

This helps you to Moves the scalp forward

This helps you to Raises the eyebrows

This helps you to Causes horizontal wrinkles on the forehead

B. Occipital belly

This helps you to Moves the scalp backward

  • 4. Loose Areolar Connective Tissue

The fourth layer of your scalp is Loose Areolar Connective Tissue.

Layers Of The Scalp

It helps to make an easy plane of separation or flexible plane separating between the upper three layers and the pericranium.

This layer is like a danger zone(dangerous area of scalp). Because when it infected, it can spread in the whole tissue and pass on pericranium.

Many cells are here in the Loose Areolar Connective Tissue layer like plasma cells, mast cells, and adipocytes.

  • 5. Pericranium

The fifth layer of your scalp is Pericranium.

The periosteum is an outer layer of pericranium.  pericranium also provide nutrition to the bone.

Pericranium is a dense or irregular connective tissue.

Layers Of The Scalp

Nerve supply of scalp | nerves of the scalp

A. Trigeminal Nerve(1)

  • Supratrochlear nerve.
  • Supraorbital nerve.
  • Zygomaticotemporal nerve.
  • Auriculotemporal nerve.
  • Cervical Nerves

 

B. Lesser occipital nerve(2).

  • The greater occipital nerve.
  • The great auricular nerve.
  • The third occipital nerve.

 

Arterial Supply(3)

Three branches involved:

  • Superficial temporal
  • Posterior auricular
  • Occipital

Scalp veins | veins of the head(4,5)

The scalp veins primarily drain the deoxygenated blood from the epicranial aponeurosis.

The superficial veins of the scalp are starting anteriorly and moving posteriorly.

Scalp anatomy(6)

Layers Of The Scalp

The scalp like soft tissue layers.  The soft tissue layers cover the cranium.

The cranium is an anatomic region that can be bordered anteriorly by face, and posteriorly by the neck.

Parietal Scalp(7)

There is a Parietal region between the temple and occipital scalp.

There is a lies between the vertical lines in front, and also behind the ear.

scalp vertex(8)

a vertex or posterior hairline is an area where the scalp goes horizontal to a vertical plane posteriorly.

Muscles of the scalp(9)

There are two muscles one is galea and the second is occipitalis.

The first muscles are can be attached to the galea(frontalis), and the second muscles are can be attached to the occipitalis(behind).

Tips To Keep Your Scalp Healthy | Tips to healthy hair

Layers Of The Scalp
  • Try to use Exfoliate in your scalp regularly it helps you to boost your skin cell turnover.
  • Try to massage your scalp regularly with your favorite oils. It helps to promote blood circulation in your hair, and also help you to promote healthy hair.
  • Try to take deep conditioner treatments that help you to retain moisture, because most of the scalp problem cases are happen due to dry scalp.
  • If possible Stay away from hot showers.
  • Try to use a gentle shampoo to clean your scalp. If you have oily scalp then use it once every 1-2 days or if you have a dry scalp then use it once every 3-4.
  • If possible protect your scalp from excessive sun exposure. Try to use a hat or a scarf.
  • Try to Limit your heat styling and chemical treatments. It’s really harmful to your scalp.
  • Try to take a healthy and balanced diet. It helps you to boost your scalp health.

Conclusion

In this article, I was discussed in detail about  “The Five Layers Of The Scalp or Parts Or The Scalp“.

I hope it’s helpful for you.

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References

 

 

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