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



outer muscular coat of the lower two-thirds or half 



of the human resophagus ; 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, vesicula3 seminalis and _. l 



prostate ; in the corpora caver- 



nosa, and spongiosa; in the 



tissue of the ovary, and in the 



ligamentum latum ; in the mus- r 



cular coat of the oviduct, the j^fft^ji 



uterus and vagina ; in the soft ^'ib/.jf $$? 



or posterior part of the wall of % <9 ^ 



the trachea ; in the large and FJ. 39. From a Transverse 



i-i i i ,i i i . Section through Bundles 



small bronchi, in the alveolar of Non-striped Muscular 



-, , . f ,.., , ,, , Tissue of the Intestine. 



ducts and infundibula of the ^ mmcularcell8 Wllg spindle . 

 lung; in the pleura pulmonalis 

 (guinea-pig) ; in the peritoneum 

 of the frog and newt, in the 

 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 trabeculse 

 of some of the lymphatic glands ; in the arrector pili, 

 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 

 gland ; 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 a smaller. 



81. As regards length, the muscular cells vary 

 within considerable limits (from -^ to -J-^ 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 

 F 



