Cell and tissue growth disorders and dysplasia Flashcards
Thyroid hyperplasia may be caused by?
iodine deficiency
What can atrophy be the result of?
Disuse
Which of the following statements is true about dysplasia?
microscopically shows abnormal tissue maturation
Which of the following is a characteristic of neoplasms?
Autonomous growth not sensitive to feedback mechanisms
What statement is false about stem cells?
All stem cells are locally derived
What is not a growth disorder?
Ectopia
What type of tissue does hyperplasia typically affect?
glandular tissue
What is the definition of hypertrophy?
Increase in cell size
What is the definition of atresia?
Failure of luminal development
What does metaplasia mean?
Reversible replacement of a mature tissue type by another
What best describes a neoplasm?
monoclonal tumour cell population
What is a non-neoplastic growth disorder?
squamous metaplasia
Define hamartoma?
Tumour like masses of tissue appropriate to site but haphazardly arranged
What is a step towards the development of cancer?
dysplasia
