Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems

Liver

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

Fig.1- Supernumerary lobes of the liver: aand a', two small tongue-shaped supernumerary lobes; a springs from the under surface of the right lobe, a'lies against the gallbladder; ad, adrenal gland; cl, caudale lobe;g, gallbladder; ll, left lobe; rl, right lobe. (Redrawn by Max Brödel afte C. Giacomini, Giornale della R. Accad. di Med. di Torino, Anno XLVII, 32:564, 1884.)

Fig. 2- Anterior view of marked circumscribed fibrous tissue formation dividing the liver into several lobes. The right lobe on the anterior surface has been divided into two lobes, there being a wide zone of fibrous fissue between them. On this surface the upper part of the right lobe is separated from the left and atrophic lobe by a similar zone of fibrous tissue. The gallbladder is partly covered by the broad zone of fibrous tissue. The under surface of this liver is shown in Figure 4. g, gallbladder; ll, left lobe; rl, right lobe. (Redrawn by Max Brödel after L. Calori, Mem. della Accad. delle Scienze dell' Instituto di Bologna, 4 Serie, 2:344, 1880, Fig. 5.)

Fig. 3 - Under surface of a markedly lobulated liver. The anterior surface is shown in Figure 3. The gallbladder gives our landmarks. The left lobe is much smaller than usual. The lower part of the right lobe is markedly lobulated. The bridge of fibrous tissue so pronounced on the anterior surface (Fig. 3) is visible in the cleft midway down the margin of the right lobe. gb, gallbladder; ll, left lobe; rl, right lobe. (Redrawn by Max Brödel after L. Calori, Mem. della Accad. delle Scienze dell' Instituto di Bologna, 4 Serie, 2:344, 1880, Fig. 4.)

Fig. 4 - Unusual lobulation of under surface of right lobe of liver viewed from the under surface. The left lobe appears to be torn. The apparent tear is a fissure. The under surface of the right lobe in its lower portion shows marked furrowing and an unusual tendency to form small lobes. f, fissure; ll, left lobe; rl, right lobe. (Redrawn by Max Brödel after L. Calori, Mem. della Accad. delle Scienze dell' Instituto di Bologna, 4 Serie, 2:344, 1880, Fig. 9.)

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