I08G 



A MANUAL OF ANATOMY 



Below the level of the thyroid body the superficial layer divides 

 into two laminae, anterior and posterior, both of which are super- 

 ficial to the depressor muscles of the hyoid bone. At the middle 

 line these laminae are continuous with those of the opposite side, 

 and inferiorly they are attached to the anterior and posterior 

 margins of the upper border of the manubrium sterni. Between 

 them there is an interfascial interval, called the suprasternal 

 space, or space of Burns. This interval contains areolar tissue, 

 one or more lymphatic glands, the lo\\:er portions of the anterior 



Superficial Lamina of Fascia 

 Anterior Belly of Omo-hyoid \ 

 Pretracheal Lamina of Fascia 

 Prevertebral Lamina of Fascia 

 Carotid Lamina of Fascia 



Scalenus Anticus 



Burns's Space 

 Sterno-thyroid ' ^ i_ 



Sterno-hyoid ' Trachea 



Scalenus Medius 



Anguli Scapulae 



Muscular Compartment 

 ,- Lateral Lobe of Thyroid Body 



, CT^sophagus 



Descendens Cervicis Nerve 

 ^'JZommon Carotid Artery 

 "'" Internal Jugular Vein 

 - Pneumogastric Nerve 

 ^-Platysma Myoides 



;iri Sympathetic Nerve 



-Longus Colli 

 .Sterno-cleido-mastoid 



External Jugular Ve 

 •Vertebral Vessels 



Complexus 



Splenius 



Trapezius 



Semispinalis 



Fig. 442. — Diagram of a Transverse Section of the Neck at the 

 Level of the Sixth Cervical Vertebra, showing the Arrange- 

 ment OF THE Deep Cervical Fascia, and the Positions of Other 

 Structures. 



jugular veins, with the transverse vessel which here connects them, 

 and the sternal heads of the sterno-cleido-mastoid muscles. 



Deep Processes or Laminse. — The deep laminae, as stated, invest 

 the muscles, viscera, and chief bloodvessels and nerves. The 

 most important are derived from that lamina of the superficial 

 layer which forms the posterior wall of the sheath of the sterno- 

 cleido-mastoid muscle, and they "are three in number, namely, 

 carotid, pretracheal, and prevertebral, all of which have an intimate 

 initial connection. 



The carotid lamina splits to form the carotid sheath, which con- 

 tains, in separate compartments (i) the common carotid artery and 

 descendens cervicis nerve, (2) the internal jugular vein, and (3) the 



