42 



LABORATORY MANUAL OF ANTHROPOMETRY 



acanthion (acan) 



alveolon (alv) 



The point of the nasal spine, upon the lower border 

 of the piriform aperture. This point, formerly- 

 much used, has now been mainly superseded by the 

 nasospinale, q.v. 



A point on the bony palate where a line drawn 

 through the termini of the alveolar ridges crosses 

 the median line. In practice this point is readily 

 determined by placing a fine knitting needle across 

 the palate, just back of the posterior ends of. the 

 alveolar ridge, and marking the point where this 

 crosses the median suture of the palate bones. 



Anatomical landmarks on the skull; norma lateralis, 

 abbreviations, see pp. 42—48. 



For the meaning of the 



asterion (ast) f 



auriculare (au I t 



A point behind the base of the mastoid process, 

 where the lambdoidal, parieto-squamous, and oc- 

 cipito-squamous sutures come together, denning 

 the boundaries of parietal, occipital, and temporal 

 bones. 



A point vertically above the center of the auditory 

 meatus, and crossing the root or base of the zygoma. 

 This point is but a few millimeters above the porion. 



