The phalanges are located in the front and lower part of the hip bone and are divided into the body and the upper and lower parts. The phalanges make up 2/5 of the hip bone. The toes are two bones located in the front of the pelvis. There is a gap in the middle and they are not close together. The two bones are connected by tendons and fibrous cartilage tissue. This area is called the ischial tuberosity. Metatarsals: Located on the front and lower side of the hip bone, divided into the body and the upper and lower parts. The phalangeal body constitutes the anterior and inferior part of the acetabulum, which is relatively thick and extends forward, medially and outward to form the superior phalangeal branch, which bends downward and moves to the inferior phalangeal branch. The upper edge of the superior branch of the toe bone is shallow and sharp, called the pubic comb. It is continuous with the arcuate line of the ilium posteriorly and forms a circular protrusion forward, which is the pubic tubercle. The toe bone is located below the lower abdomen, at the base of the thigh. The pubic tubercle is the main epidermal marker, and there is a ridge extending inward to the surface edge of the ischial tuberosity, called the pubic ridge. On the inner side of the transition between the upper and lower branches of the toe bone, there is an oval, rough surface called the ischial tuberosity surface. The hole formed by the toe bones and the sciatic nerve is called the omental bursa. The phalanges make up the front and lower part of the hip bone, and are divided into upper and lower branches. The body constitutes the anterior and inferior 1/5 of the acetabulum. Additional Materials: The inner edge of the bone surface where it meets the ilium has a rough protrusion, called the iliopectine process, which extends forward and inward to form the upper ramus of the phalanges, and its tail end turns sharply downward to become the lower ramus of the phalanges. There is a sharp ridge above the superior ramus of the metatarsal bone, called the pubic pecten, which recedes posteriorly to the arcuate line and ends at the pubic tubercle anteriorly, which is the main epidermal mark. The rough and blunt inner edge from the pubic tubercle to the center line is the phalangeal ridge, which can also be palpated in the epidermis. The oval, rough surface on the inner side of the transition between the upper and lower branches of the toe bone is called the ischial tuberosity surface. The two coordinated surfaces are connected by cartilage to form the ischial tuberosity. The inferior phalanx branch extends outward and merges with the sciatic nerve branch. In this way, the phalanx and sciatic nerve are arranged together to form the omental capsule. The phalanges make up 2/5 of the hip bone. When a woman gives birth, the crack in the middle of the ischial tuberosity widens, making it easier for the baby to be delivered smoothly. |
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Author: Zhang Haicheng, Chief Physician, Peking U...
Expert of this article: Wang Xiaohuan, Doctor of ...