Growing lettuce indoors is a great way to eat better and have fun growing your own food. Itâs also the fastest-growing indoor crop â you can actually see it grow from day to day! And thanks to indoor gardens like the AeroGarden, enjoying homegrown lettuce year round has never been easier. 1  Two types of harvesting.
The basic science, in brief: Primary bone healing is lead by the formation of a so-called cutting cone (consisting of osteoclasts at the front of the cone to remove bone and trailing osteoblasts to lay down new bone) across the gaps to form a secondary osteon.escribe the differences between primary and secondary bone healing. escribe the differences between primary and secondary bone healing. The two mechanisms of bone healing are primary bone healing and secondary bone healing. (THIS IS JUST LIKE SKIN: you can sew it up or it can scab.).
In fact, there are three types of healing, distinguished by just how much skin and tissue has been lost: 1  Primary Intention Healing â This occurs where the tissue surfaces have been approximated (closed). 2  This can be with stitches, or staples, or skin glue (like Derma bond), or even with tapes (like steri-strips).