The Axial and Appedicular Skeleton

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The Axial and Appendicular Skeleton

Laszlo Vass, Ed.D. Version 42-0021-00-01

Lab RepoRt assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.


● What is the purpose of this exercise?

Are there any safety concerns associated with this exercise? If so, list what they are and what precautions should be taken.

Exercise 1: The Skull

A. Name the eight bones of the cranium.
The eight bones of the cranium are the frontal, occipital, left parietal, right parietal, left temporal, right temporal, ethmoid, and sphenoid.

B. What function do the cranial bones serve?
The cranial bones serve to protect organs, such as the eyes, and the brain. C. List the bones that form the eye orbit.
Zygomas, maxilla, lacrimal, frontal bone, sphenoid, ethmoid and palatine are all the bones that form the eye orbit. D. Examine the skull on the skeleton model and describe some ways in which the mandible is different from the other bones of the skull. The mandible is a joint that has no real attachment to any part of the body. It has a different range of motion than other joints in the body.

E. Other than the skull, what are the other two components of the axial skeleton? xVertebral Column and Thoracic cage are two components of the axial skeleton.

Exercise 2: Skull Markings

A. Which bone is palpated when touching the forehead?

The temporal bone is palpated when the forehead is touched.

B. What bone is palpated when touching the temple?
The temporal bone is touched.

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