. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. BONES OF THE TRUNK. 19 INNOMINATUM. This is a large flat bone forming the haunch or hip of common language, resembling in some measure the figure 8. In youth it Fig. consists of three different parts, united in the acetabulum, viz. the ilium, ischium, and pubes. Ilium.—This is the largest piece, and forms the wall of the upper pelvis. Its exter7ial surface is convex and rough, with a semicircular ridge crossing i
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. BONES OF THE TRUNK. 19 INNOMINATUM. This is a large flat bone forming the haunch or hip of common language, resembling in some measure the figure 8. In youth it Fig. consists of three different parts, united in the acetabulum, viz. the ilium, ischium, and pubes. Ilium.—This is the largest piece, and forms the wall of the upper pelvis. Its exter7ial surface is convex and rough, with a semicircular ridge crossing it; above this ridge arises the gluteus medius, and below it the gluteus minimus muscle; the posterior part of this sur- face is the roughest, and gives origin to the gluteus maximus. The intenial surface^ or costa, is concave ; the anterior portion is smooth, and gives origin to the iliacus internus; the posterior is rough and has a large nrticular mark for the sacrum, behind which arise muscles and ligaments. The edge or criua is arched and curved like the italic/. In front there are two eminences, one of which is called the anterior swperior spinous jjrocess^ givino- orio-in to the sartorius and tensor vagina3 muscles and Poupart's ligament; the other is the anterior inferior spinous^ process, and gives orio-in to the rectus muscle; ihe space between the two i^ives oricrin to the gluteus medius. Below these processes is a large prominence" caWed ilio-pectineal; in the groove above this passes the iliacus internus and psoas magnus muscles. Behind these are the posterior superior and inferior spinous processes. The crista has three lips, from the internal of which arises the transversalis muscle, from the middle arises the internal oblique, and into the external is inserted the external oblique. The inferior border of the ilium presents a notchy called Please note that these images are extracted from scanned page images that may have been digitally enhanced for
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