Family Faces

Porokeratosis: Two Faces, One Family

Porokeratosis is a disorder of keratinisation whose pathogenesis is yet unclear. It has been postulated that it results from the proliferation of an abnormal clone of keratinocytes, triggered by several factors, such as immunosuppression or prolonged ultraviolet exposure. Various clinical forms are recognized whose common denominator is a keratotic ring surrounding a central zone of atrophy. Th...

Analysis of Faces of Family Members using Image processing Techniques

The recognition of family members and maintenance of a strict vigil on the strangers in the households of urban area is a very vital and important problem, especially in densely populated metropolitan cities in India like Bangalore, Kolkata, Delhi, Bombay etc., where security is of a great concern as the home alone people are getting killed regularly. The scenario may not be different either in...

The G-protein coupled receptor family: actors with many faces.

G-protein coupled receptors (GPCRs) comprise the largest family of proteins in our body, which have many important physiological functions and are implicated in the pathophysiology of many serious diseases. GPCRs therefore are significant targets in pharmaceutical research. GPCRs share the common architecture of seven plasma membrane-spanning segments connected to each other with three extracel...

Red faces and yellow faces.

Human Faces Are Slower than Chimpanzee Faces

BACKGROUND While humans (like other primates) communicate with facial expressions, the evolution of speech added a new function to the facial muscles (facial expression muscles). The evolution of speech required the development of a coordinated action between visual (movement of the lips) and auditory signals in a rhythmic fashion to produce "visemes" (visual movements of the lips that correspo...