Archive image from page 722 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( CERVICAL NERVES. 689 capitis, rectus capitis posterior major and minor, and obliqui capitis, superior and inferior. (b) A communicating- branch descends to join the second cervical nerve. The communicating branch may arise in common with the nerve to the obliquus inferior, and reach the second cervical nerve by piercing or passing over or beneath that muscle; or it may accompany the nerve to the semispinalis capitis and communicate with the greater occ
Archive image from page 722 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( CERVICAL NERVES. 689 capitis, rectus capitis posterior major and minor, and obliqui capitis, superior and inferior. (b) A communicating- branch descends to join the second cervical nerve. The communicating branch may arise in common with the nerve to the obliquus inferior, and reach the second cervical nerve by piercing or passing over or beneath that muscle; or it may accompany the nerve to the semispinalis capitis and communicate with the greater occipital nerve, under or over that muscle. Second Cervical Nerve.—The posterior ramus of this nerve is larger than the corresponding anterior ramus. It passes backwards between the atlas and epistropheus, and in the interval between the obliquus inferior and the semispinalis cervicis muscles, under cover of the semispinalis capitis muscle. In this situa- Insertion of sterno mastoid Splenitis capitis' Longissimus capitis Semispinalis capitis Third occipital nerve- Splenius capitis- Longissimus capitis Attachment of trapezius Insertion of semispinalis capitis Greater occipital nerve Obliquus superior Eectus capitis posterior major Rectus capitis posterior minor Vertebral artery Posterior ramus of Suboccipital nerve Posterior arch of atlas Obliquus inferior Posterior ramus of second cervical nerve Posterior ramus third cervical NERVE Profunda cervicis artery Posterior ramus of fourth cervical NERVE Semispinalis cervicis Fig. 608.—Posterior Cervical Plexus. tion the nerve gives off several small muscular and communicating branches The main trunk, after piercing the semispinalis capitis and trapezius muscles, accompanies the occipital artery to the scalp as the greater occipital nerve. This is the chief cutaneous nerve for the back part of the scalp. It enters the superficial fascia at the level of the superior nuchal line of the occipital bone and about an inch from the extern
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