Common Histopathology terms - Highlights (Rete ridges)
There are so many histopathology terms a student may need to get acquainted to. Here’s a snippet of one such histopathology term - “Rete Ridges”.
Keratinized and Non-keratinized epithelium - Did you know?
The two main components of the oral mucosa are 1) the oral epithelium called stratified squamous epithelium and 2) the underlying connective tissue, also called lamina propria. 🤨How does the epithelium stay intact without ripping apart? The cells of the oral epithelium firmly attach to each other with the help of …
3 years ago · HackDentistry
Hence the interface between the epithelium and connective tissue in the oral mucosa is undulating or wavy.
The epithelial rete ridges may assume characteristic shapes in certain oral lesions.
“Saw tooth” rete ridges are classically seen in oral lichen planus and lichenoid reactions/lesions.
The normal “U-shaped” rete ridges become pointed resembling a “saw tooth”, hence the name.
The rete ridge, in these lesions, assumes this shape due to the basal cell degeneration of the epithelium by the subjacent inflammatory cells.
Oral Epithelial dysplasia - Did you know?
The term “dysplasia” denotes the abnormal development of a tissue and “epithelial dysplasia (ED)” is used to designate the atypical characteristics of the epithelium (indicating malignant risk) under the microscope. 🤔Did you know how epithelial dysplasia works…
3 years ago · HackDentistry
In fact, “drop shaped rete ridge” is considered to be an important dysplastic feature (architectural change).
Rete ridges assume this shape due to excessive proliferation of basal cells.
In verrucous carcinoma, rete ridges are elongated, thick and bulky, and push into the adjacent connective tissue.
They are described as having an “elephant’s foot” appearance.
In fact, we delve a lot more deeper into this topic in our cheatsheet/note -> Common histopathology terms. We talk about,
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