Investing layer of deep cervical fascia

The Investing layer of deep cervical fascia is the most superficial part of the deep cervical fascia, and it encloses the whole neck.

Investing layer of deep cervical fascia.
Section of the neck at about the level of the sixth cervical vertebra. Showing the arrangement of the fascia coli.
Details
Identifiers
LatinLamina superficialis fasciae cervicalis
TAA04.2.05.002
FMA57805
Anatomical terminology

Attachments

It surrounds the neck like a collar, it splits around the sternocleidomastoid muscle and the trapezius muscle. It is attached as;

Tracings
  • Horizontal extent - From ligamentum nuchae when traced forward, the fascia splits and encloses trapezius, reunites and form roof of posterior triangle of neck; again splits and encloses sternocleidomastoid, reunites and forms the roof of anterior triangle.
  • Vertical extent - 
 - It splits at lower border of submandibular gland into superficial and deep layers;which attach to lower body of body of mandible and mylohyoid line of mandible
 - It splits at lower pole of parotid gland into superficial and deep layers; superficial layer attaches to zygomatic arch and forms parotido-masseteric fascia after blending with masseter, deep layer attaches to tympanic plate and styloid process forming the stylomandibular ligament
    • Inferior tracing - The fascia splits to enclose two spaces; suprasternal space and supraclavicular space[2]

Existence

It is considered by some sources to be incomplete[3] or nonexistent.[4]

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References

This article incorporates text in the public domain from page 388 of the 20th edition of Gray's Anatomy (1918)

  1. Dutta, Asim Kumar (2013). Essentials of Human Anatomy Head & Neck. kolkata: Current books international. p. 126. ISBN 978-81-86793-79-4.
  2. Dutta, Asim Kumar (2013). Essentials of Human Anatomy Head & Neck. kolkata: Current books international. pp. 126–128. ISBN 978-81-86793-79-4.
  3. Zhang M, Lee AS (2002). "The investing layer of the deep cervical fascia does not exist between the sternocleidomastoid and trapezius muscles". Otolaryngol Head Neck Surg. 127 (5): 452–4. doi:10.1067/mhn.2002.129823. PMID 12447241.
  4. Nash L, Nicholson HD, Zhang M (2005). "Does the investing layer of the deep cervical fascia exist?". Anesthesiology. 103 (5): 962–8. doi:10.1097/00000542-200511000-00010. PMID 16249670.
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