Iliopsoas Definition It is basically a compound muscle comprising of the iliacus and the psoas major. These distinct muscles are typically denoted as “iliopsoas” with reference to the dorsal or inner aspect of the hip joint. However, it does not include the psoas minor. Iliopsoas Origin The lateral regions of the vertebral bodies of T12 […]
Last updated on February 4th, 2018 at 12:16 pm
Supinator muscle Definition It is a broad, cylindrical-shaped muscle in the forearm that normally curves around the upper third of the radius. As the name suggests, the muscle causes supination, which describes movement at an ankle, foot, or a shoulder joint. Previously, “supinator longus” referred to the brachioradialis, a muscle of the forearm, and the […]
Last updated on February 4th, 2018 at 12:18 pm
Intercalated discs Definition These are transverse bands that separate the adjacent ends in cardiac muscle fibers. Normally these structures appear as stained irregular lines at 90 degrees to the striped sarcomeric pattern. Intercalated discs Pronunciation These are generally pronounced as “in-ter-ca-lat-ed disks. (more…)
Last updated on August 6th, 2018 at 2:39 pm
Mammary gland Definition It is one of the two inflamed exocrine glands in females who have attained reproductive maturity. The gland becomes functional only after childbirth. It is normally a rudimentary structure in males. Mammary gland Location It is located in the breast overlying the pectoralis major, the fan-shaped muscles situated at the chest. (more…)
Last updated on February 10th, 2018 at 7:52 am
What is Sternocleidomastoid? It is one of the two long, thick muscles attached to the superior layers of the anterior region of the neck. It forms a part of a group of muscles called anterolateral neck flexors. Sternomastoid is the other name of the superior muscle. For simplicity, it is abbreviated as SCM. (more…)
Last updated on March 16th, 2018 at 8:13 am
Sural nerve Definition It is a sensory nerve in the lower leg that lies close to the small saphenous vein, situated in the calf. As the bundle of fibers forms a branch of the femoral nerve, it is also known as “short saphenous nerve”. Sural nerve Origin The nerve normally emerges from the junction of […]
Last updated on July 24th, 2018 at 6:07 am
Pylorus Definition It is a small constriction at the lower end of the stomach that directly opens into the duodenum. The aperture generally marks the end of the stomach and the beginning of the small intestine. It is often mistaken as keratosis pilaris, a common, autosomal dominant condition marked by rough, red, bumps on the skin. (more…)
Last updated on July 4th, 2018 at 6:08 pm
Have you ever been through a pain in your buttocks because of sitting at a place for a long time? If yes, it is the tuberosity in your pelvis that is affected. These are also referred to as sit bones or seat bones as they absorb the weight of your body while you’re in your […]
Last updated on June 29th, 2018 at 4:57 pm
Xiphoid Process Definition The xiphoid process is the third and lowermost part of the sternum. It is a relatively small projection or outgrowth from the lowest end of the sternum. The xiphoid process is the smallest and most variable part of the sternum. Located at the lower end of the sternum, the xiphoid process may […]
Last updated on April 11th, 2018 at 11:15 am
Platysma Definition It is a subcutaneous muscle present under the chin that overlies the sternocleidomastoid. It belongs to the group of cross-striated musculature. Platysma Location It usually occurs as a pair of a broad sheet of muscles on either side of the anterior neck. It originates from the pectoral (chest) through to deltoid (shoulder) muscles. (more…)
Last updated on July 9th, 2018 at 4:31 pm
