The center cavity of the diaphysis of a long bone is called the __ epiphysis marrow cavity nutrient foramen central canal canaliculus

##1<br />The question is asking for the name of the center cavity of the diaphysis of a long bone. The diaphysis is the main or midsection (shaft) of the bone. It is made up of cortical bone and usually contains cancellous bone and bone marrow.<br />## Step 2<br />The options provided are: epiphysis, marrow cavity, nutrient foramen, central canal, and canaliculus. <br />## Step 3<br />The epiphysis is the end part of a long bone, initially growing separately from the shaft. <br />## Step 4<br />The nutrient foramen is an opening in the bone that allows blood vessels to enter and leave the bone. <br />## Step 5<br />The central canal, also known as Haversian canal, is the central channel in osteons that contains the bone's blood supplies. <br />## Step 6<br />The canaliculus is a small channel that connects the lacunae in compact bone. <br />## Step 7<br />The marrow cavity, also known as the medullary cavity, is the central cavity of bone where it contains the yellow marrow.