Wednesday, March 13, 2013

No Bones About It!

"Bones, bones, bones...make no bones about it. Bones, bones, everybody needs bones, just can't live without it!"

Today was our bone dissection. We have been bridging and scaffolding between our circulation and lymphatic unit to our immunity and disease unit. Dissection of the bone brings to life the material we have studied that has to do with blood cell creation and platelets. Students were presented with bovine femur specimens and learned about the periosteum, compact bone, cancellous bone, marrow, diaphysis, and the epiphysis, as well as cleaning out the medullary cavity. They peeled the periosteum, dug out the marrow, formed it into balls, and observed the bones and vessels. We will begin talking about B cells and T cells in disease when we return next week.

Tomorrow is the exhibition forensics match. Any scholar is invited to watch and participate in Student Congress. If students participate in events they will gain NJFL points. We will be in the cafe from 3:30 to 5:30. All parents and siblings are invited to attend, and there will be concessions. Before each event I will explain what it is that the crowd will be watching and how the event is judged. There will be three judges and competitors will receive their ballots after break. There will be awards at the end.

We have a cumulative spelling and vocabulary test tomorrow morning. We will be spending the afternoon getting ready for the tournament. Have a great three day weekend!

Our scholars ROCK!

determining the age of our bovines

peeling periosteum

cutting fat out of the way

defining parts

investigating cartilage and bone

scraping the epiphysis

Look Ma! :)

Preparing to extract marrow

Bella showing her team's periosteum

peeling periosteum

observing vessels

scooping out bone marrow

Isaac found some great bone fragments

Evelyn the surgeon

cleaning out the medullary cavity
 

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