. Evolution and disease . Fig. 27.—A Faun, to showthe goat-like tail. DISUSE AND ITS EFFECTS. 55 the number may amount to five, and no abnormal pro-jection be observable. Thus far a well-developed tailin an adult human subject containing bony elementscontinuing the vertebral series has yet to be the new-born child, soft tails about an inch in lengthhave been observed : these contained cartilaginous tissueand resembled the flexible tail of Fig. 28.—An ^Egipan sporting with a Faun. Bacchus and Silenus. Many instances of tailed children when criticallyexamined turn out to be tu
. Evolution and disease . Fig. 27.—A Faun, to showthe goat-like tail. DISUSE AND ITS EFFECTS. 55 the number may amount to five, and no abnormal pro-jection be observable. Thus far a well-developed tailin an adult human subject containing bony elementscontinuing the vertebral series has yet to be the new-born child, soft tails about an inch in lengthhave been observed : these contained cartilaginous tissueand resembled the flexible tail of Fig. 28.—An ^Egipan sporting with a Faun. Bacchus and Silenus. Many instances of tailed children when criticallyexamined turn out to be tumours or tufts of hair in theloin. A general notion of a false tail may be gatheredfrom the African child represented in fig. 26. In thiscase a large rounded tumour hangs pendulous from thechilds buttocks, and a little imagination would soon S6 E VOL UTION AND DISEASE. distort this into a tail. The tumour was removed inCentral Africa and sent to Professor Thependulous mass consists of a hollow central cavity sur-rounded by fat and covered externally by skin, and inVirchows opinion it arose as a diverticulum from themembranes of the spinal cord [spina bifida). The most interesting false tails are those formed oftufts of hair. It was mentioned in the last chapter thatcertain malformations of the spinal column are associ-ated with hair-fields and long tufts of hair in the , as in the example on page 23, the hairs areseveral in
Size: 1327px × 1883px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1, booksubjectcongenitalabnormalities
