chap, viii.] NON-STRIPED MUSCULAR TISSUE. 65 



outer muscular coat of the lower two-thirds or half 

 of the human oesophagus ; in that of the stomach, small 

 and large intestine ; in the tissue of the pelvis and 

 outer capsule of the kidney ; in the muscular coat of 

 the ureter, bladder, and urethra ; in the tubules of 

 the epididymis. in the vas de- 

 ferens, vesiculse seminalis and 

 prostate ; in the corpora caver- 

 nosa, and spongiosa; in the 

 tissue of the ovary, and in the 

 broad ligament; in the mus- 

 cular coat of the oviduct, the 

 uterus and vagina ; in the 

 posterior part of the wall of \ , O 



the trachea ; in the large and vis. 39. FI-< m a Transverse 



n , i ,1 T i Section through Bundles 



small bronchi, in the alveolar of Non-striped Muscular 



i -i r TI i r> ,1 Tissue of the Intestine. 



ducts and mfundibula of the Themuscularce]lsbeingspindle . 

 lung; in the pleura pulmonalis fels^he^corSes 

 (guinea-pig) ; in the peritoneum ^^ZSTSSfSlfc 

 of the frog and newt, in the SfiHSW 1 the muscle - 

 upper part of the upper eye-lid, 



and in the fissura orbitalis ; in the sphincter and 

 dilatator pupillse, and the ciliary muscle ; in the 

 capsule and trabeculse of the spleen, and the trabeculae 

 of some of the lymphatic glands ; in the arrectores 

 pilorum, and sweat glands of the skin, the tunica 

 dartos of the scrotum ; in the tissue of the nipple of 

 the breast ; in the large ducts of the salivary and 

 pancreatic glands ; and in the muscular coat of the 

 gall bladder, the hepatic and cystic duct. The aorta 

 and the arteries have a larger amount of non-striped 

 muscular tissue, the veins and lymphatics less. 



81. As regards length, the muscular cells vary 

 within considerable limits (from ^ to -^-^ of an inch), 

 those of the intestine, stomach, respiratory, urinary, and 

 genital organs being very long, as compared with 

 those of the blood-vessels, which are sometimes only 

 P 1 



