Fill in the Blanks Medical terminologyOnline version To know more about common medical terms in skeletal system by mohamed said 1 ili lumbar cartilage pertaining to iliofemoral femor al costochondral chondr pertaining femur ilium lumbosacral to pertaining al means sacrum TA : Mohamed , today we'll discuss some combined terms involving bones and joints . Let's start with . It combines cost - meaning ribs , - for cartilage , and the suffix - , which makes it pertain to something . So , costochondral means the ribs and . Student : That makes sense . I see how the root words connect . TA : Good ! Next is . The root - stands for ilium , the upper part of the hip bone . It combines with - for the femur , plus the suffix - . This term to the and . Student : So it's talking about the connection between the hip bone and thigh bone ? TA : Exactly ! Let ? s finish this scenario with . It combines lumb - for the region , sacr - for the , and - al , meaning the lumbar region and sacrum . 2 to ar inflammation Stern sternoclavicular synovial clavicle oste joint tendon arthr inflammation osteoarthritis pertaining Ten synov itis clavicul tenosynovitis bone itis TA : In this scenario , let's explore some more complex terms . Starting with osteoarthritis . - means bone , - refers to a joint , and - signifies inflammation . So , is of the and . Student : I've heard of that condition before . It ? s a common joint disorder , right ? TA : Exactly ! Now , look at . - means tendon , - refers to the synovial membrane , and - again indicates inflammation . So , tenosynovitis is of both the and the membrane . Student : That term seems a bit more complex . TA : It can be , but once you break it down , it ? s easier . Lastly , consider . - means sternum , - stands for clavicle , and - makes it " the sternum and . Student : So it ? s describing the area where those bones meet . TA : Exactly , you ? ve got it !