Post Lab Chapter 7

Jessica Bastos ANTH 301 LAB Post Lab Chapter 7 1. Fill in the blank with the correct word to complete the sentence. a. The suture that separates the frontal bone from the parietal bones is the _ coronal _ suture. b. The suture that separates the temporal bone from the parietal bones is the _ squamosal _ suture. c. The _ sphenoid _ bone makes up the lower rim of the eye orbit and the side and bottom of the nose. d. The _ mental protuberance _ bone houses the lower dentition. e. The ear canal is called the _ meatus _ and is found on the _ mastoid _ bone. f. Another term for the brow ridge is the _ supraorbital ridges _. g. The large opening at the base of the skull is called the _ foramen magnum _. h. Another term for the cheekbone is the _ zygomatic arch _. i. The _ nuchal lines _ are horizontal ridges across the occipital bone that are areas of muscle attachment. j. The only joint in the skull that is not a suture is the _ mandible _. 2. Match the distinguishing feature on the right to the vertebra on the left. __ c ___ typical cervical __ e ___axis __ b ___ atlas __ a ___ thoracic __ d ___ lumbar a. rib facets b. dontoid process (dens) c. transverse foramen d. square spinous process e. facets for occipital condyles 3. Describe the differences among the true ribs, false ribs, and floating ribs. True ribs - articulate directly with the sternum through costal cartilages False ribs - under the true ribs and are not connected to the sternum but only the cartilage Floating ribs - ribs that are half the size of the other ribs and are unreachable to the front part of the body

Jessica Bastos ANTH 301 LAB 4. Label these 10 bones in the following illustration and color them with different colored pencils: frontal, parietal, temporal, maxilla, mandible, sphenoid, nasal, lacrimal, ethmoid, mandible. 5. Label these bony landmarks on the following illustration: zygomatic arch, mastoid process, external auditory meatus, glabella, mental protuberance, alveolus.