Category: F

In anatomy, little bundle. A bundle, e.g. of nerve, tendon, or muscle fibers. A small bundle, especially of nerve or muscle fibers; specifically, a division of a funiculus of the spinal cord comprising fibers of one or more tracts. Sometimes the term is used as a synonym for tract.  

In psychology, ways of categorizing sexual fantasies, such as fantasizer as recipient, or sexual object as recipient.  

Persons who engage in sexually stimulating talk on the telephone to a customer for a fee.  

The front teeth of poisonous snakes through which the venom is injected into the wound. A sharp hollow tooth through which some animals inject toxins into their prey.  

Women who spend approximately 18 years bringing up their children and another 19 years taking care of their mothers in later years.  

Studies that chronicle the rate of particular forms of abnormal behavior in many generations of a family to test theories of genetic transmission.  

How a family is composed.    

In genetics and sociology, an overlap of features among members of a group in such a way that none of the members has all of the features, but all members possess some of the features.  

In genetics, the set of criteria used in determining whether an object or trait falls into a given category.