Cellular Adaptations Flashcards
What is hyperplasia?
It is the increase in cell number
What is metaplasia?
Change in the cell type
Muscles of the shoulder of horse undergo atrophy due to the injury of which nerve?
Sub scapular nerve
Injury to which nerve leads to atrophy of larynx in horse?
Recurrent laryngeal nerve
In response to chronic irritation in lungs which metaplasia is seen?
Change of cells from pseudo-stratified columnar ciliated epithelium to stratified squamous epithelium
In gall stones the mucous membrane changes from columnar to?
Stratified squamous
Another example of the same is the persistent eversion of the uterus
In the mucous glands of the oesophagus of the skin, the cells change from the cuboidal/columnar type to?
Stratified squamous type
What is myositis ossificans?
The bone formation in muscle
Dysplasia is mainly seen in which cell type?
Epithelium
Carcinoma insitu is the pre invasive stage of cancer in which the dysplastic changes are marked and involve the entire thickness of?
Epithelium
Give three examples of where the hypertrophy and hyperplasia work together?
Prostate, pregnant uterus and goitre
Deficiency of which vitamin leads to hyperplasia and keratization of epithelium of oesophagus in chicken?
Vitamin A
