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

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)

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