Class Notes (834,936)
United States (323,974)
FORS 3331 (27)
Lecture 8

FORS 3331 Lecture 8: Dr Ferraro - FORS 3331 - Spring 2017 - Lecture 8

2 Pages
Unlock Document

Forensic Science
FORS 3331
Joseph V.Ferraro

Baker | FORS 3331 | Spring 2017 | Lecture 8 | Page 1 LECTURE 8: THE SKULL (PART V) Lacrimals – Small, thin, fragile, rectangular bones that are part of the medial walls of the orbits anterior to the ethmoid – They articulate with the frontals, maxillae, ethmoid, and inferior nasal conchae – Form via intramembranous ossification from a single center Nasals – Small, thin, rectangular bones below the glabellar region – Non-articular, free inferior ends form the top of the nasal aperture – They articulate superiorly with the frontal; laterally with maxillae; and posteriorly with the ethmoid – They form via intramembranous ossification from a single center Zygomatics – Corners of the face – "Cheek bones" – Articulate with the frontal, sphenoid, temporal and maxilla – Form via intramembranous ossification from 3 centers and fuse during fetal development – Frontal Process - extends vertically o Articulates with the frontal – Temporal Process - extends posteriorly o Articulates with the zygomatic process of he temporal to form the zygomatic arch – Maxillary Process - extends medially o Articulates with the maxilla to form the infraorbital margin – Zygomaticofacial Foramen - perforates the lateral surface – Masseteric Origin - roughened, expanded inferior edge of the bone o Attachment for the masseter muscle o Elevator of the mandible Sphenoid – Surrounds the optic nerves – The most complex bone of the skull and sits between the neurocranium and face bones – Articulates with the vomer, ethmoid, frontal, occipital, parietals, temporals, zygomatics, and palatines Baker | FORS 3331 | Spring 2017 | Lecture 8 | Page 2 – Forms via both endochondral and intramembranous ossifications (pterygoid plates) – Many ossification centers – Body - robust midline portion o Articulates with the cribiform and perpendicular plates of the ethmoid o Articulates with the occipital at the basilar suture o Articulates with the vomer – Optic Canals - latera
More Less

Related notes for FORS 3331

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.