Podcast
Questions and Answers
Why is it recommended to suspend human brains by a cord under the Circle of Willis?
Why is it recommended to suspend human brains by a cord under the Circle of Willis?
- To avoid flattening of the brain (correct)
- To accelerate the fixation process
- To prevent immediate tissue collapse and wrinkling
- To ensure rapid access of the fixative to all parts of the brain
What may happen if eyes are dissected before they are fixed?
What may happen if eyes are dissected before they are fixed?
- Rapid access of the fixative to all parts of the eye
- Loss of blood content
- Immediate tissue collapse and wrinkling (correct)
- Formation of ice crystal artifacts
Why should water not be used for glycogen-containing tissues?
Why should water not be used for glycogen-containing tissues?
- Glycogen is soluble in water (correct)
- Water may cause rapid dehydration of the tissues
- Water may cause fixation artifacts
- Water may lead to immediate tissue collapse
What is the purpose of injecting formal-alcohol before immersing an organ in the fixative?
What is the purpose of injecting formal-alcohol before immersing an organ in the fixative?
Why is it recommended to stretch fresh muscle biopsy material before fixing it?
Why is it recommended to stretch fresh muscle biopsy material before fixing it?
What is a suitable method for fixing hard tissues like hyperkeratotic skin or fingernails?
What is a suitable method for fixing hard tissues like hyperkeratotic skin or fingernails?
Why should tissues containing mucus be fixed slowly?
Why should tissues containing mucus be fixed slowly?
Why should fatty tissues be cut into thin sections and fixed longer?
Why should fatty tissues be cut into thin sections and fixed longer?
What is the purpose of washing away excess mucus with normal saline solution?
What is the purpose of washing away excess mucus with normal saline solution?
Why is it recommended to flush out blood from tissues like blood vessels and spleen before fixation?
Why is it recommended to flush out blood from tissues like blood vessels and spleen before fixation?
Why should specimens be gently agitated during their first few minutes in fixative?
Why should specimens be gently agitated during their first few minutes in fixative?
Why is it important to use fresh and high-quality reagents when preparing fixatives?
Why is it important to use fresh and high-quality reagents when preparing fixatives?
