bio 135 lab rep #3

.docx

School

Neumann University *

*We aren’t endorsed by this school

Course

135

Subject

Biology

Date

May 5, 2024

Type

docx

Pages

2

Uploaded by CaptainStraw91582 on coursehero.com

Lab rep # 3 Skeletal system: Axial skeleton 1. Define suture. a line of junction or the joint between two articulating bones, especially of the skull 2. With one exception, the skull bones are joined by sutures. Name the exception. The mandible 3. What bones are connected by the lambdoid suture? What bones are connected by the squamous suture? The two parietal bones to the occipital bone are connected by the lambdoid structure. The squamous structure connects the parietal bones to the temporal bones. 4. Name the eight bones of the cranium. (Remember to include left and right.) Frontal, left parietal, left temporal, right temporal. Left parietal, occipital, sphenoid, ethnoid. 5. What bones contribute to the formation of the orbit? The lesser wing of the sphenoid bone and the frontal bone. 6. Why can the sphenoid bone be called the keystone of the cranial base? Articulates with all other cranial bones, holding them together. 7. This single bone of the skull underlies the area we commonly call the forehead. frontal 8. The cranial bones that house the organs of hearing are the __temporal___ bones. 9. The midline suture marking the articulation of the two parietal bones is called the ____sagittal__ suture. The foramen magnum is in which bone of the skull? Occipital bone 10. These large paired bones form most of the lateral and superior walls of the cranial vault (calvaria). Parietal bones
11. These are the cheekbones of the face___zygomatic bone____. 12. The thoracic cage includes all the bones below except the ___a____. a. clavicles b. sternum c. ribs 13. How many pairs of ribs are there? 12 14. Seven pairs of ribs articulate _directly via costal cartilages_ with the sternum. 15. Fontanels are __a fibrous membrane connecting fetal skull bones __. 16. The hypophyseal fossa of the Sella turcica surrounds the pituitary gland, and is a part of the __sphenoid __ bone. 17. The cribriform foramina, through which the fibers of cranial nerve I pass, are in the ___ethmoid___ bone on the floor of the skull. 18. This facial bone forms part of the nasal septum. Vomer and ethmoid bone 19. These small, paired bones of the orbit contain a passageway through which tears pass. Lacrimal bones 20. The ___axis_____ on the axis (C2) forms a pivot point with the atlas (C1) that allows you to nod a "no."
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help