| XXX | (191) | XXX |
Part I. ANATOMY. 191 head of the aftragalus. e, h. Two ligaments which i, The ftrong ligament of the patella.—The back-part unite into one, and are fixed to the metatarfal bone of of it where the fat has been diffedted away. 1, The the great toe. f, A ligament 'from the knob of the os external depreffion. m, The internal one. n, The calcis to the metatarfal bone of the little toe. g, A cut tibia. ftrong triangular ligament, which fupports the bones tarfus. i, The ligaments of the joints of the Fig. 9. A view of the inferior part of the bones of offivethemetatarfal bones. the Right Foot. a, The great knob of the os calcis. b, A prominence Fig. 13. a, The head of the thigh-bone of a child, on its outfide. c. The hollow for the tendons, nerves, b, The ligamentum rotundum conne&ing it to the aceand blood-vefiels. d, The anterior extremity of the tabulum. c, The capfular ligament of the joint with os calcis. e. Part of the aftragalus. f. Its head covered with cartilage, g. The internal prominence of its arteries injedted. d. The numerous vefl’els of the the os naviculare. h. The os euboides. i, The os mucilaginous gland injedted. cuneiforme internum; k,—Medium; 1, —Exter- Fig. 14. The back view of the cartilages of the Lanum. m, The metatarfal bones of the four lefl’er toes, rynx, with the Os Hyoides. n, The firfc— o, The fecond— p, The third phalanx of the four lefler toes, q, The metatarfal bones of a, The pofterior part of the bafe of the os hyoides. the great toe. r. Its firft— s, Its fecond joint. b b. Its cornua, c. The appendix of the right fide. d, A ligament fent out from the appendix of the left Fig. 10. The inferior furface of the two large Sesa- fide, to the ftyloid procefs of the temporal bone. moid Bones, at the lirft joint of the great toe. e. The union of the bafe with the left cornu, f f. The pofterior fides of (g) the thyroid cartilage, h h. Its Fig. 11. The fuperior view of the bones of the fuperior cornua. i i, Its inferior cornua, k, The Right Foot. cricoid cartilage. 1 1, The arytenoid cartilages, The entry into the lungs, named glottis, n. The a, b, as in Fig. 9. c. The fuperior head of the aftra- m,epiglottis, o o, The fuperior cartilages of the tragalus. d, as in Fig. 9. chea. p, Its ligamentous back-part. Fig. 12. The view, of the Sole-of the Foot with Fig. 15. The fuperior concave furface of the Sesaits ligaments. moid Bones at the firft joint of the great toe, with a. The great knob of the os calcis. b. The hollow for their ligaments. the tendons, nerves, and blood-veffels. c. The {heaths of the flexores pollicis and digitorum longi opened. a, Three fefamoid bones, b, The ligamentous fubftance4# The ftrong cartilaginous ligament fupporting the in which they are formed. PAR OF
THE
Sect. T. Of the Muscles in general. |’' IiE mufcles are bundles of fibres of different fi gures -*• and fizes, and for the moft part conlifting of two different portions ; one whereof is thick, foft, and more or lefs red, forming what is called the body, fleftty fubftance, or belly of the mufcle. The other is thin and fmall, of a clofe contexture, and very white, forming the extremities, termed by anatomiils tendons or apeneurofes. Botli portions are coveted by a particular membrane. The fibres are, for the meft part, ranked in fafeiculi, in a lateral fituation with refpeft to each other, and diltinguifhed membranous, as by ie> manybyparticular vaginae.cellular,. or adipefe fepta, r ,
T
11.
MUSCLES. Thefe fibres are connetfed to each other, and to the intermediate fepta, by a great number of very fmall fine filaments, the capillary extremities of arteries, veins, and nerves running over them; and they are inclofed in a thin membranous, cellular covering,, called the proper membrane of the mufcle, being a continuation of the fepta or vaginae already mentioned. The diljiofition of the fibres is various: fome are difpofed like radii; others form planes more or lefs incurvated; and fome form complete circumferences,'the two extremities meeting and uniting together. The difference of mufcles is very confidexable, and depends on many circumftances; the chief of which are, the fize, figure, direftion, fituation, ftrudture, connection, and ule; and it is from thefe differences that the names- of the gicateft part of the mufti;3 are taken. From
