Abtropfung
a theory that nevus cells are epidermal cells (melanocytes) that proliferate and drop off (migrate) into the dermis.
Origin: Ger. Abtropfung, trickling down
Dictionary > Abtropfung
You will also like...
![takahē](https://www.biologyonline.com/wp-content/uploads/2020/09/takahe-300x168.jpg)
Takahē (Porphyrio hochstetteri)
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
!["Opabinia regalis"](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Evolutionary-Development-of-Multicellular-Organisms-300x150.jpg)
The Evolutionary Development of Multicellular Organisms
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
![Golgi apparatus (3-D illustration)](https://www.biologyonline.com/wp-content/uploads/2020/02/Role-of-Golgi-Apparatus-Endoplasmic-Reticulum-in-Protein-Synthesis-252x168.jpg)
Role of Golgi Apparatus & Endoplasmic Reticulum in Protein Synthesis
The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..
![An artist's depiction of the origin of amphibians](https://www.biologyonline.com/wp-content/uploads/2020/02/Amphibians-Early-Reptiles-297x168.jpg)
Amphibians & Early Reptiles
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
![An artistic depiction of Dunkleosteus fish](https://www.biologyonline.com/wp-content/uploads/2020/02/Fish-300x150.jpg)
Fish
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
![Body temperature regulation by the hypothalamus](https://www.biologyonline.com/wp-content/uploads/2020/02/Temperature-Regulation-in-Animals-168x168.jpg)
Temperature Regulation in Animals
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..