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The clit plays a key role in sexual stimulation and pleasure. This article discusses the clitoris, its location, structure, and function. It also explains some health issues that can affect the clitoris. Westend61 / Getty Images Thevulvaencompasses all external female genital organs. Thevaginais an internal organ. The parts of the vulva are located around the vagina. They keep the clitoris in its bent position. The internal clitoris describes the portions of the organ located inside the body....

Your lats also help you breathe. They help keep your back stable while you move your shoulders. Most muscles attach to a bone at each end. LumiNola / Getty Images These places of attachment are known as the origin andinsertionpoints. Latissimus Dorsi Function Strong lats help you use your arms to pull your body weight up. Examples of activities that use the lats extensively include doing chin-ups, rock climbing, and swimming....

This includes motor commands and sensory information. The spinal cord also helps coordinate your reflexes. The spinal cord is part of the central nervous system. ericsphotography/E+/Getty Images The spine (backbone) encloses and protects the spinal cord. What Is the Function of the Spinal Cord? The top region of the spinal cord extends down from the medulla all the way to the lower back. What Are the Regions of the Spinal Cord?...

However, theligamentsand the joint’s oval shape prevent it from rotating. It moves up and down and side to side. The wrist joint is a perfect example of a condylar joint. Stevica Mrdja / EyeEm / Getty Images This article will discuss the anatomy, function, and conditions that are related to the condylar joint. It will also discuss condylar joint rehabilitation. Stevica Mrdja / EyeEm / Getty Images Anatomy A joint is a junction between two bones....

It also assists with mobility in the lateral (outer) column of the foot. While fractures of the cuboid are uncommon, they can occur infrequently in specific circumstances. This article discusses the anatomy and function of the cuboid bone. It also covers associated conditions and when you may need treatment. Anatomy Thehuman footis an intricate structure that contains 26 bones and 33 individual joints. The cuboid bone is one of five that form themidfoot, the center area of your foot....

The eardrum separates theexternal (outer) earfrom themiddle earand vibrates in response to sound waves. The eardrum is vulnerable to infection and injury, the most common of which includes aruptured eardrum. Hearing loss and ear pain are common signs of an eardrum injury. This article describes the anatomy and function of the eardrum. It also looks at conditions that affect the eardrum, including how they are diagnosed and treated. Anatomy of the Eardrum The eardrum....

The outermost layer of your skin The epidermis is the uppermost layer of your skin. It is responsible for creating skin tone andprotecting against toxins and infection. This article describes the layers of cells in the epidermis, including their structure and function. 2007 Heather Brannon, MD licensed to About.com, Inc. How Many Layers of Skin Are There? There are three main layers. The deeper hypodermis layer, also calledsubcutaneous tissue, is made up of fat and even more connective tissue....

Knee anatomy involves more than just muscles and bones. This article details knee anatomy. There is also a small bone called a fabella, that is often located behind the knee joint. Hero Images / Getty Images There are four majorligamentsthat surround the knee joint. Two of these ligaments are in the center of the joint, and they cross each other. These are called the cruciate ligaments and consist of the anterior cruciate ligament and the posterior cruciate ligament....

These rectangular bones consist of two surfaces, one facing the nose, the other facing the eye. Facial fractures can involve the lacrimal bone. Forming part of the eye socket, they have four borders and two surfaces, nasal and orbital. Viewed face on, the lacrimal bones would be hidden behind the nasal bones. Supporting the eye, the lacrimal bones are the most fragile of the 14 facial bones. The orbital surface of the lacrimal bone is divided by a ridge called the posterior lacrimal crest....

This mechanism of breathing also helps to allow you to talk. The left lobe is also smaller as it has to make room for the heart. Each lung has three surfaces, named after their location in the thorax. SCIEPRO/SCIENCE PHOTO LIBRARY They are the mediastinal surface, diaphragmatic surface, and costal surface. Inside the lungs are bronchitubes that run from thetracheainto each lung. There are approximately 30,000 bronchioles in each lung and 600 million alveoli in each lung combined....

Themalleusis a hammer-shaped bone in the middle ear. (Malleus in Latin means “hammer.") The malleus is located between the incus bone and the eardrum. Conditions that affect the malleus often impact the ability to hear. The ossicles are part of the auditory system and are the smallest bones in the human body. The auditory ossicles are suspended in the middle ear by ligaments. The malleus is shaped like a hammer....

The navicular bone is one of the 26 bones in the human foot. It is prone tostress fractures, especially by athletes while kicking, sprinting, twisting, or falling. Anatomy Thehuman footcontains 26 bones and 33 individual joints. The navicular bone is a wedge-shaped bone located on the top inner side of the middle of the foot. It serves to connect the ankle bone (talus) to the tarsal bones of the foot....

It also explores the effectiveness of vagus nerve stimulation and where the procedure may prove useful. What Is the Vagus Nerve? The vagus nerve is the longest nerve of theautonomic nervous systemwhich controls involuntary body functions. Terry Vine/Getty Images The two parts are often thought of as being opposites of each other. The vagus nerve is the main nerve of the parasympathetic nervous system. Anatomy The vagus nerve is one of 12cranial nerves....