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In mathematics sine is also known as "sinus rectus" In the classification of the animal kingdom it is the systematic taxonomic name of several species, e.g. campylobacter rectus & syllitus rectus. In anatomy it is used to refer to a rectus muscle, primarily e.g. the "rectus abdominis muscle"; in anatomy it can also refer to: Inferior rectus muscle
The rectus abdominis has many sources of arterial blood supply. Classification of the vascular anatomy of muscles: First, the inferior epigastric artery and vein (or veins) run superiorly on the posterior surface of the rectus abdominis, enter the rectus fascia at the arcuate line, and serve the lower part of
rectal, rectum, rectus femoris: ren(o) of or pertaining to the kidney Latin rēn, rēnes, kidney renal: reticul(o)-net Latin rēticulum: reticulocyte: retro-backward, behind Latin retro: retroversion, retroverted rhabd(o)-rod shaped, striated Greek ῥᾰ́βδος (rhábdos), wand, stick, stripe rhabdomyolysis: rhachi(o)-spine
The rectum (pl.: rectums or recta) is the final straight portion of the large intestine in humans and some other mammals, and the gut in others. Before expulsion through the anus or cloaca, the rectum stores the feces temporarily.
The rectus femoris is situated in the middle of the front of the thigh; it is fusiform in shape, and its superficial fibers are arranged in a bipenniform manner, the deep fibers running straight (Latin: rectus) down to the deep aponeurosis. Its functions are to flex the thigh at the hip joint and to extend the leg at the knee joint. [1]
The transverse abdominal muscle (TVA), also known as the transverse abdominis, transversalis muscle and transversus abdominis muscle, is a muscle layer of the anterior and lateral (front and side) abdominal wall, deep to (layered below) the internal oblique muscle.
The linea alba is a white, fibrous band that is made of the bilateral rectus sheaths that join at the anterior midline of the body. These enclose the rectus abdominis muscles (a pair of long, linear muscles, commonly called the “sit-up” muscles) that originate at the pubic crest and pubic symphysis, and extend the length of the body’s trunk.
The rectus sheath (also called the rectus fascia [1]) is a tough fibrous compartment formed by the aponeuroses of the transverse abdominal muscle, and the internal and external oblique muscles. It contains the rectus abdominis and pyramidalis muscles, as well as vessels and nerves.