THE HEAD - the skull Flashcards
What are the characteristics of sutura notha (false sutures)?
sutures lacking interlocking of adjacent bone surfaces; typically formed by endochondral ossification
Which sutures will interlock and overlap at their edges?
limbous sutures
Which sutures demonstrate non-interlock, but will overlap at their edges?
squamous sutures
Which sutures will neither interlock nor overlap at their edges?
harmonia sutures
What is the classification of a joint with a “fissure-like” condition?
schindylesis
What are the typical examples of the plane suture or harmonia suture?
cruciate suture made up of the intermaxillary, interpalatine and palato-maxillary sutures
What are the examples of the gomphosis joint?
maxilla - root of tooth
mandible - root of tooth
What forms a bullet-like chin?
a large mental protuberance
What forms an indented chin
well developed bilateral mental tubercles and a slight mental protuberance
What is the tip of the external occipital protuberance called?
the inion
What is the name of the linear elevation lateral to the external occipital protuberance?
superior nuchal line
What is the appearance of suture intersections just above the zygomatic arch called?
the pterion
What points on the skull are used to measure the skull size?
the nasion, vertex, inion and gnathion
What points on the skull are used to measure cranial vault capacity?
the nasion, vertex, and inion
What is the appearance of the suture interections over the hard palate called?
the cruciate or cruciform suture
