Table of ContentsView AllTable of ContentsAnatomyFunctionAssociated ConditionsRehabilitation Table of ContentsView All View All Table of Contents Anatomy Function Associated Conditions Rehabilitation The condylarjoint, also known as the condyloid or ellipsoid joint, is similar to a ball and socket joint. 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.This article will discuss the anatomy, function, and conditions that are related to the condylar joint....

Table of ContentsView AllTable of ContentsAnatomyFunctionAssociated ConditionsRehabilitation Table of ContentsView All View All Table of Contents Anatomy Function Associated Conditions Rehabilitation The cuboid is a cube-shaped bone that is located on the outside portion of the foot, in front of the heel. The cuboid serves as an attachment point for muscle and functions as a pulley that helps point your foot downward. It also assists with mobility in the lateral (outer) column of the foot....

Table of ContentsView AllTable of ContentsEardrum AnatomyRuptured EardrumMiddle Ear InfectionsTympanosclerosis Table of ContentsView All View All Table of Contents Eardrum Anatomy Ruptured Eardrum Middle Ear Infections Tympanosclerosis The eardrum, also known as the tympanic membrane ortympanum, is a thin layer of skin stretched tight like a drum in theear. The eardrum separates theexternal (outer) earfrom themiddle earand vibrates in response to sound waves. The eardrum is part of a complex system that enables hearing and also protects the middle ear from debris and germs....

The epidermis is the uppermost layer of your skin. It is responsible for creating skin tone andprotecting against toxins and infection.Within the epidermis, there are four major layers of cells called keratinocytes that provide structural support for the skin. In addition to these four layers, you have another layer specific to your soles and palms, called the stratum lucidum.This article describes the layers of cells in the epidermis, including their structure and function....

Table of ContentsView All View All Table of Contents Shoulder Bones Shoulder Muscles Shoulder Capsule Shoulder Labrum The shoulder joint is the articulation between the thorax and the arm. This joint is one of the most complex and mobile joints of the body as it is comprised of four articulations, plus muscles, tendons, and ligaments connecting the upper limb to the axial skeleton. There are four joints which make up the shoulder joint and girdle:...

Table of ContentsView AllTable of ContentsAnatomyFunctionVariationsConditions Table of ContentsView All View All Table of Contents Anatomy Function Variations Conditions The carotid arteries are neck arteries located on both sides of the neck that supply blood to the brain and parts of the head and neck. The internal carotid artery is a major branch of the common carotid artery in the cervical (upper) spine. It is one of a pair that runs along each side of the neck and accesses the inside of the skull through an opening called theforamen lacerum....

Table of ContentsView AllTable of ContentsBonesCartilageLigamentsMuscles and TendonsJoint Capsule and LiningJoint BursaFunctionCommon Knee ConditionsNext in Home Office Ergonomics GuideThe 15 Best Knee Braces To Keep You Moving Table of ContentsView All View All Table of Contents Bones Cartilage Ligaments Muscles and Tendons Joint Capsule and Lining Joint Bursa Function Common Knee Conditions Next in Home Office Ergonomics Guide Knee anatomy involves more than just muscles and bones. Ligaments, tendons, and cartilage work together to connect the thigh bone, shin bone, and knee cap and allow the leg to bend back and forth like a hinge....

Table of ContentsView AllTable of ContentsAnatomyFunctionAssociated ConditionsTreatmentFrequently Asked Questions Table of ContentsView All View All Table of Contents Anatomy Function Associated Conditions Treatment Frequently Asked Questions The lacrimal bones are small, flat craniofacial bones located in the eye socket. These rectangular bones consist of two surfaces, one facing the nose, the other facing the eye. Facial fractures can involve the lacrimal bone. Treatment for lacrimal fractures may simply involve rest, or reconstructive surgery may be needed, depending on the severity....

Table of ContentsView AllTable of ContentsAnatomyFunctionAssociated ConditionsTests Table of ContentsView All View All Table of Contents Anatomy Function Associated Conditions Tests SCIEPRO/SCIENCE PHOTO LIBRARY Structure Inside the lungs are bronchi—tubes that run from thetracheainto each lung. The bronchi branch off into smaller tubes called bronchioles which help air reach the alveoli, which are tiny air sacs in each lung. There are approximately 30,000 bronchioles in each lung and 600 million alveoli in each lung combined....

Table of ContentsView AllTable of ContentsAnatomy of the Masseter MuscleWhat Does the Masseter Muscle Do?Conditions Associated With the Masseter MuscleRehabilitation Table of ContentsView All View All Table of Contents Anatomy of the Masseter Muscle What Does the Masseter Muscle Do? Conditions Associated With the Masseter Muscle Rehabilitation This article will describe the anatomy of the masseter muscle, its function, and associated health conditions. The masseter muscle arises from three distinct layers on each side of your face....

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. Function Although small, the navicular bone is important in stabilizing the ankle and arch of the foot. Several ligaments and a tendon connect to the navicular bone, which enables efficient walking....

Table of ContentsView AllTable of ContentsAnatomyFunctionAssociated ConditionsTests Table of ContentsView All View All Table of Contents Anatomy Function Associated Conditions Tests The olfactory epithelium is membranous tissue located inside thenasal cavity. It measures about 3 square centimeters (cm²) in adults. Containing olfactory receptor cells, it is involved in the sense of smell. Olfactory disorders can range from a mild decrease in the ability to smell to a complete loss of smell....

Table of ContentsView AllTable of ContentsSubmandibular Gland AnatomyFunction of Submandibular GlandsAssociated ConditionsTests Table of ContentsView All View All Table of Contents Submandibular Gland Anatomy Function of Submandibular Glands Associated Conditions Tests The submandibular glands are a pair of glands situated on the floor of the mouth below the lower jaw. They are one of the three pairs of glands that produce saliva. While these glands usually function well, several conditions may impact them....