Part 18

39. Front view of the rectum of an infant aged one month

40. Side view of the specimen shown in Fig. 39

41. Front view of the rectum of an infant aged six weeks

42. Side view of the specimen shown in Fig. 41

43. Front view of the rectum of an infant aged six months

44. Front view of the rectum of an infant aged six months

45. Side view of the specimen shown in Fig. 44

46. Diagrammatic of this gut in the empty state

47. Diagrammatic, showing direction of forces and resistance in infant, in defecation

48. Diagrammatic, showing direction of forces and resistance in adult, in defecation

49. The rectum and sigmoid of an infant aged two months

50. The interior view of the opposite posterior half of the rectum shown in Fig. 49

51. The paraffin cast removed from the gut shown in Figs. 49 and 50

52. A three-and-a-half-months fetus. A photograph showing the posterior half of the rectum prepared by the paraffin-cast process

53. A five-months fetus. A photograph showing a paraffin cast-filled rectum in situ; the other organs having been dissected away

54. Anatomic coarctation of valves

55. Drawing of specimen No. 2569 in the Pathological Museum of the Royal College of Surgeons, London

56. Drawing of specimen No. 2568 in the Pathological Museum of the Royal College of Surgeons, London

57. Drawing of specimen No. 2571a in the Pathological Museum of the Royal College of Surgeons, London

58. Drawing of specimen No. 2571 in the Pathological Museum of the Royal College of Surgeons, London

59. Drawing of specimen No. 2571c in the Pathological Museum of the Royal College of Surgeons, London

60. Drawing of specimen No. 2570 in the Pathological Museum of the Royal College of Surgeons, London

61. Drawing of specimen No. 2567 in the Pathological Museum of the Royal College of Surgeons, London

62. Congenital diaphragmatic stricture of the rectum dependent on faulty development of third rectal valve. Composite view

63. Curved sounds

64. The fenestrated speculum No. 1

65. The fenestrated speculum No. 2

66. The coactor