Skeletal System Lab

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Roosevelt University *

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Health Science

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Feb 20, 2024

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Brooke Hawley Figure 5 Diagram of Spongy Bone Activity 1 Examine the slide of compact bone and the slide of spongy bone. Draw them below. On your drawing, label them with the following terms: Osteon, Central Canal, Endosteum, Lamellae, Lacunae, Osteocyte, Canaliculi, Perforating Canal, Trabeculae Activity 2 Using the classroom skeleton, find an example of each type of bone. Record the name of that example on Table 1. Bone Shape Features Function(s) Example Long Cylinder-like shape, longer than it is wide Leverage Femur Short Cube-like shape, approximately equal in length, width, and thickness Provide stability, support, while allowing for some motion Lateral cuneiform, Intermediate cuneiform, Medial cuneiform Flat Thin and curved Points of attachment for muscles; protectors of internal organs Sternum Irregular Complex shape Protect internal organs Vertebra

Sesamoid Small and round; embedded in tendons Protect tendons from compressive forces Patella Activity 3 For each bony feature described in the table below, find an example on a bone. Take a picture of it and describe the location in the table, including the name of the bone. Marking Description Example Location Articulations Where two bones meet Knee Joint Head Prominent rounded surface Head of Femur Facet Flat surface Vertebrae

Condyle Rounded surface Occipital Condyles Projections Raised markings Spinous process of the vertebrae Protuberance Protruding Chin Process Prominence feature Transverse process of vertebra

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Spine Sharp process Ischial spine Tubercle Small, rounded process Tubercle of humerus Tuberosity Rough surface Deltoid tuberosity Line Slight, elongated ridge Temporal lines of the parietal bones

Crest Ridge Iliac crest Holes Holes and depressions Foramen Fossa Elongated basin Mandibular Fossa Fovea Small pit Fovea Capitis (head of femur)

Sulcus Groove Sigmoid Sulcus of the temporal bones Canal Passage in bone Auditory Canal Fissure Slit through bone Superior Orbital Fissure Foramen Hole through bone Foramen magnum in the occipital bone

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Meatus Opening into canal External Auditory meatus Sinus Air-filled space in bone Nasal Sinus

Activity 4 Using an example long bone, draw it below. Label it with the following term  Epiphysis  Diaphysis  Epiphysial line  Articular facets

Activity 5 Divide up the following bones and structures by category. Each person should take a skull, find each feature within their category, take a photo and label it. Palpate the locations on your own skull. Point to the location on your skull and say the name of the bone. Once everyone has found their features, come back together, and show each other the features you found. Then label the blank skull pictures in this document with all the features that are listed.

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Activity 6 Use the Anatomage table to create a picture that shows the skull and labels all the bones from the previous activity 1 (you do not need to label all the markings).  Take a screenshot and save it on the flash drive. Include these pictures with your submission.

Skeletal System Lab

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