Podcast
Questions and Answers
What is the main advantage of Paraplast over normal paraffin wax?
What is the main advantage of Paraplast over normal paraffin wax?
Why should Paraplast not be used for thin-walled structures?
Why should Paraplast not be used for thin-walled structures?
How many changes in wax should the tissue be submitted to during impregnation with Bioloid?
How many changes in wax should the tissue be submitted to during impregnation with Bioloid?
What causes crumbling of the sections during cutting?
What causes crumbling of the sections during cutting?
Signup and view all the answers
Why does a thicker tissue require longer time for wax penetration?
Why does a thicker tissue require longer time for wax penetration?
Signup and view all the answers
Which type of mould consists of square-shaped brass or metal plates in a series of interlocking plates?
Which type of mould consists of square-shaped brass or metal plates in a series of interlocking plates?
Signup and view all the answers
What is the main purpose of embedding tissue in melted paraffin?
What is the main purpose of embedding tissue in melted paraffin?
Signup and view all the answers
What is the advantage of using a vacuum embedding oven over a normal paraffin oven?
What is the advantage of using a vacuum embedding oven over a normal paraffin oven?
Signup and view all the answers
Which clearing agent is easiest to remove, requiring only one change of wax for impregnation?
Which clearing agent is easiest to remove, requiring only one change of wax for impregnation?
Signup and view all the answers
How many changes of wax are needed for chloroform and carbon tetrachloride during impregnation?
How many changes of wax are needed for chloroform and carbon tetrachloride during impregnation?
Signup and view all the answers
What temperature is the paraffin wax heated to before pouring into the mould?
What temperature is the paraffin wax heated to before pouring into the mould?
Signup and view all the answers
Why is it important to introduce the tissue with prewarmed forceps into the semi-solid wax?
Why is it important to introduce the tissue with prewarmed forceps into the semi-solid wax?
Signup and view all the answers
What is the purpose of submerging the whole block with mould in cold water at 20°C?
What is the purpose of submerging the whole block with mould in cold water at 20°C?
Signup and view all the answers
Why should the tissue surface towards the mould base be lightly trimmed with a scalpel after the blocks are set hard?
Why should the tissue surface towards the mould base be lightly trimmed with a scalpel after the blocks are set hard?
Signup and view all the answers
From which surface should the sections be cut after the blocks are set hard?
From which surface should the sections be cut after the blocks are set hard?
Signup and view all the answers