Tarsal tunnel syndrome is a result of tibial nerve compression or damage at the tarsal tunnel.   The tarsal tunnel is a passage in the medial ankle. It is bounded by the flexor retinaculum of the ankle, the medial malleolus of the tibia and the talus and calcaneus bones. Several structures pass through the tarsal tunnel […]Leer artículo

A great way to understand what Alzheimer’s and other forms of dementia are, is to first understand the basic anatomy of the brain.  The brain can be simplified into key structures. The cerebrum is the bulk of the brain. It can be divided into the frontal, parietal, temporal and occipital lobes as well as the […]Leer artículo

The muscles of the back include those that move the vertebral column, help maintain posture, and are involved in movements of the pectoral girdle and arm. The muscles of the back can be categorised into two main groups: the extrinsic and the intrinsic muscles.  The extrinsic muscles of the back are generally involved in movements […]Leer artículo

Welcome back to a brand-new episode of Anatomy Dissected! In this video, we will learn about the tenth cranial nerve, also known as the vagus nerve.  In this episode you will learn:  Check out all the Anatomy Dissected videos on our YouTube channel. Leer artículo

A cyst is a sac-like structure that is often filled with fluid, or some other substance. There are many types of cysts such as epidermoid cysts, pilar cysts and Baker’s cysts. One type of cyst that is commonly found in the wrist or hand is the ganglion cyst.   Ganglion cysts form near joints or tendons. […]Leer artículo

This February we celebrate Hearth Month! Heart Month encourages everyone to focus on their cardiovascular health by raising awareness of heart disease and other heart-related conditions. A great way to understand what heart disease is, is to first understand the anatomy of the heart.  The heart is composed of four main chambers. There are two […]Leer artículo

In the male reproductive system, the testes are suspended by the spermatic cord. Within each spermatic cord are several structures. These include the testicular artery, testicular veins, lymphatics, the deferent duct and testicular nerves.  The testicular arteries arise from the abdominal aorta and descend into the testes. They supply the ureters, testes, and epididymis.   The […]Leer artículo

Spermatogenesis is the process whereby spermatozoa are formed. Spermatogenesis has two stages: spermatocytogenesis and spermiogenesis.  Spermatocytogenesis is the first stage of spermatogenesis, whereby spermatogonia develop into spermatocytes and eventually spermatids. Spermatogonia are the germ cells of spermatozoa. Type A dark (Ad) spermatogonia undergo mitotic division at irregular intervals giving rise to either a pair of […]Leer artículo

Smooth muscle is one of the three types of muscle found in the body; cardiac and skeletal muscle being the other two. Smooth muscle is an involuntary muscle, meaning it is not under conscious control. It is found almost everywhere in the body. For example, it can be found in the gastrointestinal tract, respiratory tract […]Leer artículo

The small intestine is a key part of the digestive system. Spanning 6-7m within the abdominal cavity, the small intestine has roles in digestion and absorption.   The small intestine is divided into three parts: the duodenum, the jejunum and the ileum. The first part, the duodenum, is the shortest section. It is about 25-30cm long. […]Leer artículo