SECTON 3.1 - Primates/hominoid/hominid 1 Sagittal crest A r...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Primates/hominoid/hominid 1. Sagittal crest: A ridge of bone found along the midline of the cranium, commonly associated with muscle attachments to the lower jaw. 2. Nuchal Crest: A ridge of bone found along the rear of the cranium at the base, and commonly associated with neck musculature 3. Foramen Magnum: The hole in the base of a cranium through which the spinal cord passes. The position of the foramen magnum is significant relative to the locomotion of an individual. 4. Prognathism: degree to which the facial skeleton extends outward at an angle from the cranium. Relationship between the degree of Prognathism and reduction in the size of dentition, and reduction in olfactory apparatus. There is a trend among the hominids to reduced Prognathism 5. Olfactory apparatus: smelling/nasal apparatus; nose and nostrils 6. Post orbital constriction: this is the degree to which the neurcranium is constricted behind the eye orbits on fossil and other crania 7. Cranial capacity: how big your brain is, measured in volume 8. Dental a. Dental arcade: the shape of the maxilla and the mandible in the position
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/02/2010 for the course ISS 220 taught by Professor Bailey during the Spring '08 term at Michigan State University.

Page1 / 5

SECTON 3.1 - Primates/hominoid/hominid 1 Sagittal crest A r...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online