An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firmer, engorged and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular and endocrine factors, and is often associated with sexual arousal or sexual attraction, although
Penis Pumping for increased girth, size and healthy circulation and growth as an erectile aid.
Urine PH Test. pH tests for the presence of acidic or alkaline adulterants in urine. Normal pH levels should be in the range of 4.0 to 9.0. Values outside of this range may indicate the urine sample has been altered or there may …
A circumcised and uncircumcised penis. A cross-section through the shaft. The vertical slit at the tip of the glans is the urethral meatus (m); it is the opening of the urethra (u).
The Graduate college of Biomedical Sciences at the University of Texas Health Science Center at San Antonio helps students succeed in evolving biomedical studies.
FREQUENTLY ANSWERED QUESTIONS What’s the average size of the penis? What are the extremes? According to the book Mandens Krop (which is translated from English, but does not give the original title) the average is …
Explaining how to wash this body part seems a little silly; especially since it is actually a lot easier to clean than a baby teen’s genitals, with its many
Explore the function, internal structure and overall anatomy of the vagina, an important feature in the female reproductive system.
“This book is a first of its kind. . .Penis Exercises will not only become a guide for penis health for the medical-health industry as well as the layperson, it will become a tool for education for academics like me.”
Meet up with men and exchange small and large dick pics, large cock pictures, ad penis pictures of all sizes and shapes.
