DISSECTION OF THE HEAD AND NECK 



259 



(gb) Spine of coil (spina helicis). 



(gc) Tail of coil (cauda helicis). 

 (h) Anthelix (anthelix). 



(ha) Crura of anthelix (crura antheUcis). 

 (i) Triangular fossa (fossa triangularis). 



(j) Tubercle of auricle (tuberculum auriculae [Darwini]), if present. 

 On the medial surface 



(a) Fossa of anthelix (fossa antheUcis). 



(b) Eminence of concha (eminentia conchae). 



(c) Eminence of scapha (eminentia scaphae). 



(d) Eminence of triangular fossa (eminentia fossae triangularis). 



Eemove the skin from the whole auricle, taking care not to 

 injure the minute muscles and ligaments beneath. Isolate the 

 latter. 



FIG. 110. 



M. auricularis posterior 

 M. transversus auriculae 



M. obliquus auriculae 



M. auricularis superior 



M. auricularis anterior (profundus) 

 The muscles on the medial surface of the cartilage of the ear. Left ear. (After Toldt, Anat. Atlas, 

 Wien, 1903, 3 Aufl., p. 921, Fig. 1413.) 



Muscles. 



(a) Larger muscle of helix (M. helicis major). 



(b) Smaller muscle of helix (M. helicis minor). 



(c) Muscle of tragus (M. tragicus). 



(d) Pyramidal muscle of ear (M. pyramidalis auriculae [Jungi]). 



(e) Muscle of antitragus (M. antitragicus) . 



(f) Transverse muscle of ear (M. transversus auriculae). 



(g) Oblique muscle of auricle (M. obliquus auriculae). 



(h) Muscle of notch of helix (M. incisurae helicis [Santorini]) . 



Ligaments. 



(a) Auricular ligaments (ligamenta auricularia [Valsalvae]). 



(aa) Anterior auricular (Lig. auriculare anterius). 



(ab) Superior auricular (Lig. auriculare superius). 



(ac) Posterior auricular (Lig. auriculare posterius). 



