A connective tissue capsule encloses intrafusal muscle fibers and nerve fibers. ... receptors Sensory receptors of the viscera (or viscerosensory receptors) are composed primarily of free nerve endings. ... In contrast, the chemoreceptor in the carotid body is sensitive to changes in arterial tension of oxygen (Pao2) and carbonanbsp;...
|Title||:||Dukes' Physiology of Domestic Animals|
|Author||:||William O. Reece|
|Publisher||:||John Wiley & Sons - 2015-03-25|