Testicle fetal abdomen to the inguinal ring and beyond to the inguinal canal and into the scrotum. In most cases (97% full-term, 70% preterm), both testes have descended by birth. In most other cases, only one testis fails to descend (cryptorchidism) and that will probably express itself within a year. The testes grow in response to the start of spermatogenesis. Size depends on lytic function, sperm production (amount of spermatogenesis present in testis), interstitial fluid, and Sertoli cell fluid production. After puberty, the volume of the testes can be increased by over 500% as compared to the pre-pubertal size. Testicles are
The Excursions of Mr. Brouček to the Moon and to the 15th Century whether instrumental, vocal, or both, are motives. An example of a motive in "Brouček" is the use of high violins and flutes punctuating a pedal point a half step apart (Part 1) to indicate the moon up in the heavens where Brouček imagines he can escape from the cares of the world. Although for the most part, motives behave like motifs, and are quite similar in their usage, Janáček would have thought of them separately. A third and larger building block in "Brouček" is what Dieter Stroebel calls a melos, which describes a segment of music that is longer and