Forensic Science 11/6/13 A skull is found with: ◦ ◦ ◦ ◦ ◦ Round eye orbits Slight occipital condyle Smooth muscle attachments A U-shaped jaw Rounded forehead with slight brow ridges What sex is the skull? HW: Use Chapter 13 (on my website) to answer questions #8-12 IWBAT ◦ Name the major bones in the body. ◦ Calculate the approximate height of someone from bones. ◦ Identify the approximate age of bones. Clear your desks. Pencil or pen ½ point each + ½ point for Name/Date/Pd. = 12 points Add Metatarsals to word bank Finish from yesterday ◦ Skull/Pelvis lab and Male or Female? ◦ Skeleton Keys article When we’re done with the pelvises, we’re moving on. Dye, Ezra K. Emanuel, Robert Sykes, Curtis B. Pritchett, Katie K. Spause, Matthew W. Meyer, Ray Overstreet, Justin Yarbrough, Brandon J. Prem, Rachel A. Goucher, Claire E. Hardesty, Alec J. Kyle, Elijah J. Andrews, Emma E. Hawes, Colin A. Kearney, Patrick J. Sudbrook, Katherine M. Smith, Mallory V. Neiman, Nicole M. Meehan, Kelsey E. Marsh, Justin O. Meade, Andrew J. Miguelino, Taylor Bryson, Brittany K. Bartnik, Clay T. Lomas, Jeremy L. Maggio, Kaitlyn N. Smith, Christian Sandler, Adam D. Hudson, Joshua J. Thomas, Regan J. Thurston, Brooke C. Elmaataoui, Younes Kress, Kayla J. Moore, Evan M. Batten, Ceane' A. Hughes-Hicks, Cierra Gray, Callie M. Meredith, Slate C. Andrews, Courtney N. Arbaugh, Caroline J. Cannon, Erin M. Cincotta, Noah M. Carr, Alea Dickey, Erica C. Olafunmiloye, Temi Patel, Monica H. Walls, Jade C. Waters, Erin E. Hutchinson, Stephanie A. Balter, Maxwell E. Billings, James S. Blasko, Derek Nicodemus, Joshua A. Schiavone, Nathan W. Wheeler, Terrence E. Charles, Terrell R. Hipp, Justin T. McKelvin, D'Armani L. Schaefer, Brett M. Sidhu, Karanvir S. Thomas, Nicolas D. Vittori, Seth Rodwell, Layton Grossman, John S. Dahlgren, Skyler T. Young, Chase A. Robinson, Hannah M. Holland, Allison Alkhateeb, Bataul Lee, Ronald M. Olafunmiloye, Tami Olayinka, Oladapo A. Reyna, Michaud Talley, Natalie M. Seidelman, Jessica N. Get together with your partner. Each pair needs ◦ ◦ ◦ ◦ Calculator Chapter 13 packet Worksheet (Activity 13-4/Activity 13-1) Estimation of Body Size from Individual Bones: Cross out “humerus” in DIRECTIONS (Questions section) Turn to pg. 371 in packet, and take out your notes – we will do some examples! Skull Suture Marks ◦ Coronal Suture – closes around age 50 ◦ Lamboidal Suture Closing ~21 Accelerates closing ~26 Fully closed ~30 5 y. o. skull vs. 60 y. o. Long Bones – Femur or Humerus ◦ Fused by ~20 – before this, cartilage at ends Pelvis ◦ Fused by ~30 – different areas start as separate bones More detailed information in packet Child’s Hand Adult Hand (~20 y. o.) Turn over to Activity 13-1 Use the Chapter 13 packet to find further information. 3 main racial categories (older terms in parentheses): ◦ Caucasian (Caucasoid) ◦ African (Negroid) ◦ Asian (Mongoloid) Main characteristics that distinguish race: Shape of eye sockets Nasal spine (absence or presence) Width of nasal opening Prognathism – projection of upper jaw past lower jaw ◦ Width of face ◦ Angles of jaw and face ◦ ◦ ◦ ◦ Caucasian African Shape of Eye Orbits Rounded, Rectangular Rounded, somewhat somewhat square circular Nasal Spine Prominent Very small Prognathism Asian Straight Prognathic Somewhat Variable