220 SPECIAL HISTOLOGY. 



usual, and very beautiful cells containing fat. 1 With regard 

 to the mode of examining the ceruminous glands, I must refer 

 to the sudoriparous glands, with which they wholly agree in 

 position, chemical relation to acids, alkalies, &c. Sec. 



Literature. — R. Wagner, 'Icones Phys./ tab. xvi, fig. 11, 

 A } B ; Krause and Kohlrausch, in Muller's 'Archiv/ 1839, 

 p. cxvi; Pappenheim, 'Beitrage zur Kentniss der Structur des 

 gesunden Ohres/ in Froriep's c Neue Notizen/ 1838, No. 141, 

 p. 131, and Specielle Gewebelehre d. Gehororgans (Breslau, 

 1840); Henle, 'Allg. Anat./ pp. 915, 916, 934, 941; Huschke 

 'Eingeweidelehre/ p. 819; Hassall, 'Microsc. Anatomy/ &c, 

 p. 427, pi. lvii; Valentin, article 'Gewebe,' in Wagner's 

 'Handw. d. Phys.,' i, p. 755. 



C. OF THE SEBACEOUS GLANDS. 



§ 7S. 



The sebaceous Glands are small whitish glands, which exist 

 in almost every part of the skin, and which afford the cutaneous 

 sebaceous or fatty secretion. 



In form they vary very considerably; the simplest (fig. 

 84, A) are short follicles of an elongated or pyriform shape; in 

 others — the simple racemose glands — two, three, or even more 

 follicles or vesicles are united with a shorter or longer peduncle; 

 whilst in others, lastly (figs. 84 B, 85), two, three, or more 

 simple clusters of follicles communicate with a common duct, 

 constituting an elegant compound racemose gland. Besides 



1 [There is an occasional ingredient in the so-called cerumen which is worthy of 

 notice, viz. a uiucedinous fungus. Attention has been recently called to its occur- 

 rence by Dr. Inman (' Quarterly Journal of Micros. Science,' January, 1853), who 

 states that a pellet of ear-wax which he examined was composed of nothing but this 

 fungus, with a minute portion of epithelium. However, Professor Mayer, of Bonn, 

 so long ago as 1844 (' Beobachtung von Cysten mit Fadenpilzen aus deru aussern 

 Gehorgange,' &c, Muller's 'Archiv,' 1844, p. 404), described at length the structure 

 of certain sacs containing fungi, which were extracted from the external auditory 

 meatus of a girl eight years old, — in whom they appear to have been at first ac- 

 companied by considerable deafness and irritation. The sacs were as large as a pea, 

 and open at one end; externally they were composed of layers of epithelium scales, 

 from which mucedinous threads, terminated by globular sporangia, projected into 

 the cavity of the sac. These sacs appear to have been repeatedly formed and dis- 

 charged, to a very considerable number. — Eds.] 



