List of articles in "Anatomical Structure" category - Page 320

The anconeus muscle (or anconaeus/anconæus) is a small muscle on the posterior aspect of the elbow joint.Some consider anconeus to be a continuation of the triceps brachii muscle. Some sources […]

The teres major muscle (Latin teres meaning ’rounded’) is a muscle of the upper limb and one of seven scapulohumeral muscles. It is a thick but somewhat flattened muscle innervated […]

In human anatomy the left and right posterior communicating arteries are arteries at the base of the brain that form part of the circle of Willis. Each posterior communicating artery […]

The subscapularis is a large triangular muscle which fills the subscapular fossa and inserts into the lesser tubercle of the humerus and the front of the capsule of the shoulder-joint.

The subclavius is a small triangular muscle placed between the clavicle and the first rib.Along with the pectoralis major and pectoralis minor muscles the subclavius muscle makes up the anterior […]

The Transversus perinei superficialis (Transversus perinei; Superficial transverse perineal muscle) is a narrow muscular slip which passes more or less transversely across the perineal space anterior to the anus.

The deep transverse perineal muscle lies in the perineum a part of the pelvic floor. The deep transverse perineal muscle arises from the inferior rami of the ischium and runs […]

The posterior cerebral artery (PCA) is one of a pair of blood vessels that supply oxygenated blood to the posterior aspect of the brain (occipital lobe) in human anatomy. It […]

The external sphincter muscle of urethra (or sphincter urethrae membranaceae) surrounds the whole length of the membranous portion of the urethra and is enclosed in the fasciæ of the urogenital […]

The sphincter ani internus (or internal anal sphincter IAS) is a muscular ring that surrounds about 2.5-4.0 cm of the anal canal; its inferior border is in contact with but […]