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UF ANT 3514 - LAB 2

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Name: ANT 3514 – Introduction to Biological AnthropologyHuman Osteology LAB 2, Week of 1/12/04NOTE: Some of the following questions may require you to look up the answers at homeusing a textbook or an osteology website. STATION 1: SkullThe skull (cranium and mandible) plays an important role in physical anthropology in terms of determining age, sex, race, and understanding evolutionary history.Name the three sutures marked with dots. Name the three cranial bones at this station.1._________________________ A.________________________2._________________________ B.________________________3._________________________ C.________________________b). In front of you are several cranial fragments. Using the diagrams and the complete cranium identify these fragments.1._________________________ 2._______________________STATION 2: Vertebral ColumnExamine the vertebral column. The cervical, thoracic and lumbar vertebrae are movable. Meanwhile the sacrum and coccyx are fused vertebrae. They are part of the bony pelvis. a). In addition to being called the 1st and 2nd cervical vertebrae, these bones are also given specific names. What are they?b). Of the 3 aforementioned types of movable vertebrae, which type lies right above the bony pelvis?STATION 3: Thorax (Sternum and Ribs)The thorax, or chest, is a cage-like structure made up of bone and cartilage. The sternum (breast bone) and 12 pairs of ribs make up the bony component. The thorax protects the heart and lungs and assists in breathing.What do the ribs attach to on the back of the body? _________________What do the ribs attach to on the front of the body? __________________Which pairs of ribs are interconnected medially by common cartilages that attach to the sternum? _________________1Name: The sternum anchors the shoulder girdle to the thorax. What 2 bones make up the shoulder girdle? ____________________ _____________________STATION 4: PelvisThe human pelvis is composed of 3 bones; the os coxae (left and right), sacrum, and coccyx. The pelvis serves to protect and support abdominal organs as well as anchor abdominal and leg muscles. In a forensic and paleontology context, these bones provide valuable information in determining sex.a). Which bones of the pelvis are fused vertebrae?_____________________ ____________________b). Using the diagram compare the os coxa provided with the articulated male and femalepelvis. Is it male or female? Justify your answer.STATION 5: Upper LimbThree bones make up the upper limb: the humerus, radius, and ulna. Look at the anatomical specimen when answering the following questions.a). Which bone of the lower arm is on the same side as your pinkie? ___________b). Which bone of the lower arm is on the same side as your thumb? ___________c). Which bones form the elbow joint? ___________ _____________ (i.e., Which 2 bones allow you to bend the elbow?)STATION 6: Lower LimbThe bones of the leg are the femur, tibia and fibula. As the longest, strongest, and heaviest bone in the skeleton the femur provides valuable information about an individual’s stature. a). The fibula is on what side of the body (i.e., medial or lateral)? ________________b). Examine the femur. Now, using the osteometric board in front of you determine the maximum length of the femur and enter it into the different stature equations in the table.Maximum femur length __________cm2Name: Stature Formulae for the Femur (Male)Racial GroupEquation in cm Stature (in cm)Converted stature (inches)Caucasian 2.32(femur length) + 65.53 ± 3.94= ± ±African 2.10(femur length) + 72.22 ± 3.91= ± ±Asian 2.15(femur length) + 72.57 ± 3.80= ± ±The above equations will give you answers in centimeters. You will need to convert your values into inches (1 cm = 0.3937 in) to complete the final column. The following website will assist you: http://convert.french-property.co.uk/Notice how the same length femur results in different statures for different racial groups.STATION 7: PathologyExamining bone pathology (disease) can provide insight into an individual’s life and death. Read the following descriptions of different pathologies and match them with their respective bones.Achondroplasia – abnormality in the conversion of cartilage to bone. It is the most common form of dwarfism characterized by shortening of limbs, large head and a highly curved spine.Fracture with Callus – Following a fracture, the bone repair process forms a callus around the fracture sitemade up of new bone cells. If the bone is not set properly the callus can become quite large. This happens because the bone is trying to create a shape that allows function to be maintained. Anencephaly – defective development of the brain, with absence of the bones of the cranial vault. Match Bone with DiseaseAchondroplasia ____ Fracture w/ Callus ____Anencephaly _____STATION 8: Human vs NonhumanThe first step in any skeletal analysis is determining whether a bone is human or nonhuman. a). Of the bones presented, which 2 are human? _________ _________Extra CreditWhich bone do you think belongs to a bird? ____________3Name: Take Home ComponentDarwin's Influence on Modern Thought (p. 2-6 in your reader)According to Ernst Mayr, Darwin made four contributions to evolutionary biology that are especially important. What are these four contributions?Reading the Bones of La Florida (p. 106-112 in your reader)Describe the diet of Native Americans in Florida before and after contact with Europeans. Describe two consequences of a predominantly corn diet that can be seen skeletally.4Identify the following


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