Follow the same rules as in C/C++. Identifiers must start with an alphabetic character or underscore, and may include alphanumeric characters and underscores. The string contains just ... as pointer ...

Myelinated axons are present in sensory neurons and motor neurons, but not all sensory and motor neurons are myelinated. Most neurons that carry signals regarding movement and higher-level functions, ...

A healthy person can have some minor variations in the diaphragm's anatomy. For example, the left or right side may be slightly higher or lower without affecting physical functions. During pregnancy, ...

The Rcpp package integrates R and C++ via R functions and a (header-only) C++ library. Rcpp also provides Rcpp modules, a framework that allows exposing C++ functions and classes to the R level. The ...