The erythrocyte presents morphologic, cytochemical, and quantitative adaptations as it progresses through its evolutionary continuum. This text is a comprehensi

Sturkie's Avian Physiology is the classic comprehensive single volume on the physiology of domestic as well as wild birds. The Sixth Edition is thoroughly revis

Cells in the developing embryo depend on signals from the extracellular environment to help guide their differentiation. An important mediator in this process i