Lab_Report_2_(Submit_Final).docx.pdf

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds TABLE 1: CRANIAL AND FACIAL BONES 1. Fill out Table 1 below by identifying the cranial and facial bones and indicating if each is paired or not. You should reference the course supplemental materials on moodle when completing this activity. Table 1. Skull Bones Skull Region Bone Paired (Yes or No) Cranial Bones Frontal bone No Occipital bone No Sphenoid bone No Ethmoid bone No Paired temporal bones Yes Paired parietal bones Yes Facial Bones Paired zygomatic bones Yes Paired lacrimal bones Yes Paired nasal bones Yes Paired inferior nasal conchae Yes Paired palatine bones Yes Paired maxillae Yes Vomer No Mandible No

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds 2. Take images of the skull model at your station for each of the following views: anterior, posterior, superior, inferior and lateral. Create a document and/or slideshow identifying the visible bones on each view. Label the bones on each image and indicate if the bone is classified as cranial or facial (i.e. color code or add key). You may add your images to this document OR you may add a separate image document or slideshow to your submission. 3. Some bones of the skull are joined by specialized immovable joints called sutures. Many of these sutures can be identified on the figures below and the skull models provided. The lambdoid suture is unique in that may have smaller, sutural bones associated with it. The pterion can be seen from the lateral view only. This is where several sutures merge together along four articulating bones (sphenoid, temporal, parietal, and frontal). Identify the sutures, sutural bones, and pterion on the labeled images below using the Word Bank provided. Take an image of the provided skull model from the lateral, superior, and posterior views. Create a document and/or slideshow identifying the visible sutures/structures from the Word Bank below on each image. You may add your images to this document OR you may add a separate image document or slideshow to your submission. Word Bank: coronal suture D lambdoid suture A pterion E sagittal suture F sutural bone B squamous suture C

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds 4. A newborn’s skull bones are not fully formed and therefore don’t completely encase the brain. The developing flat bones of the skull are interconnected in some areas by larger areas of dense connective tissue called fontanelles (commonly referred to as a baby’s “soft spot”). Label the fetal skull bones and fontanelles on the image below using the word bank provided. Additionally, take a lateral and superior view of the models provided at your station and add the word bank labels to these images. You may add your images to this document OR you may add a separate image document or slideshow to your submission. Word Bank: Anterior fontanelle J Frontal bone I Mandible F Mastoid fontanelle D Occipital bone C Parietal bone A Posterior fontanelle B Sphenoid bone G Sphenoidal fontanelle H Temporal bone E

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds TABLE 2: CRANIAL FOSSA 1. The interior floor of the cranial cavity has three distinct curved depressions which accommodate for the brain regions and are referred to as cranial fossae. Label each of the three cranial fossa regions as anterior, middle, or posterior on the figure below and identify each outlined bone shown.

Abbie Wright, Amy Yang, Corrina Henderson, Em Wilds 2. There are multiple bone openings/channels associated with the cranial base. Once learned, these landmarks can be used to help you better identify specific bone features associated with the internal skull. Additionally, take an image of the provided skull model and label the bones and the listed opening from the Word Bank below on this image. You may add your images to this document OR you may add a separate image document or slideshow to your submission. Word Bank: foramen lacerum foramen magnum foramen ovale foramen rotundum foramen spinosum hypoglossal canal internal acoustic meatus jugular foramen optic canal superior orbital fissure (under lesser wing)

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