. Anatomy, descriptive and surgical. re longer, more numerous, andplaced in much closer apposition thanthose of the small intestine, and theyopen by minute rounded orifices uponthe surface, giving it a cribriform ap-pearance. The solitary glands (Fig. 588) inthe large intestine are most abundantin the ececum and apjjendix vermdfor-mis, but are irregularly scattered alsoover the rest of the intestine. Theyare similar to those of the small in-testine. The nerves of the intestine arederived from the plexuses of sympa-thetic nerves around the mesentericarteries. From this source they runto a plexu
. Anatomy, descriptive and surgical. re longer, more numerous, andplaced in much closer apposition thanthose of the small intestine, and theyopen by minute rounded orifices uponthe surface, giving it a cribriform ap-pearance. The solitary glands (Fig. 588) inthe large intestine are most abundantin the ececum and apjjendix vermdfor-mis, but are irregularly scattered alsoover the rest of the intestine. Theyare similar to those of the small in-testine. The nerves of the intestine arederived from the plexuses of sympa-thetic nerves around the mesentericarteries. From this source they runto a plexus of nerves and ganglia situ-ated between the circular and longi-tudinal fibres (Auerbachs plexus),from which the nervous branches aredistributed to the muscular coats ofthe intestine. From this plexus asecondary plexus is derived (Meiss-ners plexus), which is formed bybranches which have perforated the circular muscular fibres (Fig. 589). This plexuslies between the muscular and mucous coats of the intestine. It is also gangliated,. itfeissners Plexus (Klein and Noble Smith): a, groups of mul-tipolar ganglion-cells, each with a clear nucleus, in the en-larged parts of the plexus; 6, large single ganglion-cells,apparently unipolar, each with a clear nucleus connectedWith the branches of the plexus. THE LIVER. 889 and from it the ultimate fibres pass to the nmscularis mucosae and to the mucousmembrane. THE LIVER. The Liver is a glandular organ of large size intended mainly for the secretionof the bile, but effecting also important changes in certain constituents of the bloodin their passage through the gland. It is situated in the right hypochondriac andepigastric regions [Figs. 308 and 309, p. 423], but in the child extends across theepigastrium into the left hypochondrium. It is the largest gland in the body, weigh-ing from three to four pounds (from fifty to sixty ounces avoirdupois). It measuresin its transverse diameter from ten to twelve inches, from six to seven in its an
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Keywords: ., boo, bookcentury1800, booksubjectanatomy, booksubjecthumananatomy
