List of articles in "Anatomical Structure" category - Page 402

In anatomy the extrapyramidal system is a neural network that is part of the motor system that causes involuntary reflexes and movement and modulation of movement (i.e. coordination). The system […]

The human lungs are the organs of respiration. Humans have two lungs a right lung and a left lung. The right lung consists of three lobes while the left lung […]

Intercostal muscles are several groups of muscles that run between the ribs and help form and move the chest wall. The intercostal muscles are mainly involved in the mechanical aspect […]

In the anatomy of the brain of vertebrates the forebrain or prosencephalon is the rostral-most (forward-most) portion of the brain. The forebrain the midbrain (mesencephalon) and hindbrain (rhombencephalon) are the […]

The lamina propria is a constituent of the moist linings known as mucous membranes or mucosa which line various tubes in the body (such as the respiratory tract the gastrointestinal […]

In anatomy the papillary muscles are muscles located in the ventricles of the heart. They attach to the cusps of the atrioventricular valves (a.k.a. the mitral and tricuspid valves) via […]

An arteriole /ɑrˈtɪəri.oʊl/ is a small diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries.Arterioles have muscular walls (usually only one […]

The collecting duct system of the kidney consists of a series of tubules and ducts that connect the nephrons to the ureter. It participates in electrolyte and fluid balance through […]

The corpus spongiosum is the mass of spongy tissue surrounding the male urethra within the penis. Although called corpus cavernosum in older texts this is not correct.

The supraorbital nerve is a terminal branch of the frontal nerve. It passes through the supraorbital foramen and gives off in this situation palpebral filaments to the upper eyelid. Additionally […]