THE BILE. 97 



remains for a short period, and acquires the name of cystic 

 bile. 1 



The liver, gall-bladder, and stomach, raised. 



a a a, liver ; b, gall-bladder ; c, pancreas ; d t spleen ; e, stomach ; f t duo- 

 denum. See also the cut at the end of Chap. II. 



" The gall-Madder is an oblong sac, nearly pyriform, adheres to 

 the concave surface of the liver, and consists of three coats : 



" An exterior, not completely covering it, derived from the 

 peritonaeum. 



" A middle^ called nervous, and, as in the stomach, intestines, 

 and urinary bladder, the source of its firmness and tone. 



" An interior 11 , which may be, in some measure, compared to 



* " In the ox and other brutes there are peculiar hepato-cystic ducts, which 

 convey the bile directly from the liver to the gall-bladder. 



See Observat. Anatom. Collegii privati Amstelodamens. P. i. Ams. 1667. 12mo. 

 p. 16. fig. 7. 



Also Perrault, Essais de Physique, t. i. p. 339. tab. ii. 



Some have inconsiderately allowed them also in the human subject : v. c. De 

 Haen Ratio medendi contin. P. ii. p. 46. sq. tab. x. fig. 1. 



Also Pitschel, Anat. und chirurg. Anmerk. Dresd. 1784. 8vo. tab. i. 



Consult more at large, R. Forsten, Qucestiones selectee physiologicce. Lugd. 

 Batav. 1774. 4to. p. 22." 



u " Ruysch, Epist. problem, yuinla. Tab. v. fig. 3." 



H 3 



