classification, Modern classification is part of the broader science of. taxonomy, the study of the relationships of organisms, which includes collection, preservation, and study of specimens, and analysis of data provided by various areas of biological research.
Undescended testicles (also known as cryptorchidism) is a condition in which one or both of a baby boy's testicles (testes) have not moved down into their proper place in the scrotum.
The testicle (from Latin testiculus, diminutive of testis, meaning witness of virility, plural testes) is the male gonad in animals. Like the ovaries to which they are homologous, testes are components of both the reproductive system and the endocrine system.he testicle (from Latin testiculus, diminutive of testis, meaning witness of virility, plural testes) is the male gonad in animals. Like the ovaries to which they are homologous, testes are components of both the reproductive system and the endocrine system.