Seminiferous Tubules. i. Each lobule contains one to four highly coiled tubules that course posteriorly and unite to form a complex network of channels called the rete testis ii.ined with a specialized stratified epithelium that includes the spermatogenic cells that give rise to sperm cells seminiferous tubules that produce and secrete male sex hormones iii. Interstitial cells (cells of Leydig)- specialized cells in the space between.
A: The difference is in the type of chemicals used. In lye relaxers, the active ingredient is sodium hydroxide. In no-lye relaxers, the active ingredient is calcium hydroxide. No-lye relaxer is usually a little milder and good for sensitive scalps, but the calcium can cause hair to be slightly drier. Most relaxer kits made for home use are no-lye formulas.
As we age and our faces lose volume, some of us begin to look for ways to regain more structure to our cheeks without surgery. Restylane Lyft, formerly known as Perlane-LÂ® , is an injectable hyaluronic acid gel used to correct volume loss and treat wrinkles in the face.s we age and our faces lose volume, some of us begin to look for ways to regain more structure to our cheeks without surgery. Restylane Lyft, formerly known as Perlane-LÂ® , is an injectable hyaluronic acid gel used to correct volume loss and treat wrinkles in the face.