COCCYGEAL  See also:

• BODY

BODY This is a small median body, about the See also:

• SIZE

size of a See also:

• PEA (Pisum)

pea, situated in front of the See also:

• APEX

apex of the coccyx and between the insertions of the levatores See also:

• ANI (anc. Abnicum)

ani muscles . It resembles the See also:

• CAROTID

carotid body in its microscopical structure, but is not so vascular . Concentric corpuscles, like those of the thymus, have been recorded in it . It derives its See also:

• ARTERIES (Gr. ap-rnpia, probably from a"spew, to raise, but popularly connected by the ancients with ai7P, air)

arteries from the See also:

• MIDDLE

middle sacral and its nerves from the sympathetic . Of its See also:

• EMBRYOLOGY

embryology and See also:

• COMPARATIVE

comparative See also:

• ANATOMY
• ANATOMY (Gr. avaroyil, from ava-silo c', to cut up)

anatomy little is known, though J . W . See also:

• THOMSON, JAMES (1822-1892)
• THOMSON, JAMES (1834-1882)
• THOMSON, JAMES (r700-1748)
• THOMSON, JOHN (1778-184o)
• THOMSON, JOSEPH (1858-1895)
• THOMSON, SIR CHARLES WYVILLE (1830-1882)
• THOMSON, THOMAS (1773-1852)
• THOMSON, WILLIAM (1819-189o)

Thomson See also:

• WALKER, FRANCIS AMASA (1840-1897)
• WALKER, FREDERICK (184o--1875)
• WALKER, GEORGE (c. 1618-169o)
• WALKER, HENRY OLIVER (1843— )
• WALKER, HORATIO (1858– )
• WALKER, JOHN (1732—1807)
• WALKER, OBADIAH (1616-1699)
• WALKER, ROBERT (d. c. 1658)
• WALKER, ROBERT JAMES (1801-1869)
• WALKER, SEARS COOK (1805—1853)
• WALKER, THOMAS (1784—1836)
• WALKER, WILLIAM (1824-1860)

Walker has recently shown that numerous, outlying, See also:

• MINUTE
• MINUTE (Lat. minutes, small; minuere, to make less)

minute masses of the same structure See also:

• LIE, JONAS LAURITZ EDEMIL (1833—1908)
• LIE, MARIUS SOPHUS (1842–1899)

lie along the course of the middle sacral artery (Archie f. mikroscop . Anat . Bd. lxiv.) . The See also:

• PROBABILITY (Lat. probabilis, probable or credible)

probability is that, like the carotid body, it is sympathetic in origin . (See also:

• QUAIN, SIR RICHARD, BART

Quain's Anatomy gives excellent illustrations of the See also:

• HISTOLOGY
• HISTOLOGY (Gr. Ler6c, web, tissue, properly the web-beam of the loom, from iQravai, to make to stand)

histology of this as well as of all the other ductless glands.) For the literature on and further details concerning the foregoing structures the following See also:

• WORKS

works should be consulted: Quain's Anatomy,vol. i (19o8,See also:

• LONDON

London,Longman & Co.) ; McMurrich'sDeaelopment of the Human Body (London, Rebman, 1906); Wiedersheim's Vergleich . Anat. der Wirbeltiere (See also:

• JENA

Jena, 1898) .

' (F . G .