The linea terminalis is the pronounced line separating the greater and lesser pelves, formed by the sacral promontory, the arcuate line, the pectineal line, and the pubic crest. The iliopectineal line is that part of the linea terminalis formed by the arcuate line and the pectineal line.
What is Linea terminalis?
Anatomical terminology The linea terminalis or innominate line consists of the pubic crest, pectineal line (pecten pubis), the arcuate line, the sacral ala, and the sacral promontory. It is the pelvic brim, which is the edge of the pelvic inlet.
What are the 8 landmarks of the pelvic brim?
body. pubic crest.
What is pelvic brim?
Medical Definition of pelvic brim : the bony ridge in the cavity of the pelvis that marks the boundary between the false pelvis and the true pelvis.
How does Linea Terminalis go?
Linea terminalis – Linea terminalis The terminal line of pelvis is a circular line the passes along the promontory of the sacrum dorsally, the wings of the ilia laterally and ends in the pecten of the pubis ventrally. It is circular in female animals an egg-shaped in male animal with the apex facing ventrally.
What is the pubic crest?
: the border of a pubis between its pubic tubercle and the pubic symphysis.
Where is the pubic tubercle?
The pubic tubercle is a prominent forward-projecting tubercle on the upper border of the medial portion of the superior ramus of the pubis bone. The inguinal ligament attaches to it. Part of the abdominal external oblique muscle inserts onto it.
Why is the pelvic brim important?
This is important for stability because it enables the weight of the body to be easily transferred laterally from the vertebral column, through the pelvic girdle and hip joints, and into either lower limb whenever the other limb is not bearing weight.
What does the pelvic brim consist of?
The pelvic brim involves the first sacral segment, the iliac and pubis portion, but not the ischium. The pelvic inlet is delineated by a bone crest that defines its limit (the pelvic brim), which later refers to the promontory of the sacrum.
Is pelvic brim the same as pelvic inlet?
The junction between the greater and lesser pelvis is known as the pelvic inlet. The outer bony edges of the pelvic inlet are called the pelvic brim.
What is the difference between pubic crest and pubic tubercle?
Medial to the pubic tubercle is the pubic crest, which extends from this process to the medial end of the pubic bone. It gives attachment to the conjoint tendon, the rectus abdominis, the abdominal external oblique muscle, and the pyramidalis muscle….
| Pubic crest | |
|---|---|
| Latin | crista pubica |
| TA98 | A02.5.01.305 |
| TA2 | 1350 |
| FMA | 16952 |
What does the linea terminalis mean?
Linea terminalis. Pelvis, with dotted line marking linea terminalis. The linea terminalis or innominate line consists of the pubic crest, pectineal line (pecten pubis), the arcuate line, the sacral ala, and the sacral promontory. It is the pelvic brim, which is the edge of the pelvic inlet. The pelvic inlet is typically used to divide
What is the pelvic brim?
It is the pelvic brim, which is the edge of the pelvic inlet. The pelvic inlet is typically used to divide the abdominopelvic cavity into an abdominal (above the inlet) and a pelvic cavity (below the inlet).
What is the innominate line of the pelvis?
The linea terminalis or innominate line consists of the pectineal line (pecten pubis), the arcuate line, the pubic crest, the sacral ala, and the sacral promontory.
