anatomy

The pubic bone is a forward-facing pelvic bone that forms the front part of the hip bone and contributes to the pelvis, hip joint, and abdominal wall. It is one of four bones th...

The anterior quadriceps, commonly called the quads, are a group of four muscles on the front of the thigh responsible for extending the knee and supporting hip flexion. Understa...

The external oblique is the largest and most superficial of the three flat abdominal muscles on each side of the torso. It originates from the lower eight ribs and inserts along...

The ear ossicles are three tiny bones in the middle ear that transmit and amplify sound between the eardrum and the inner ear. From outer to inner, they are the malleus (hammer)...

The elbow articulating bones of the elbow consist of three key bones: the humerus, radius, and ulna. This joint enables flexion, extension, and controlled rotation of the forear...

The atlas (C1) and axis (C2) are located in the neck region of the spine. Specifically, the atlas is the topmost vertebra, positioned directly beneath the skull, while the axis...

The dorsal scapular nerve is a primarily motor nerve that originates from the brachial plexus, typically arising from the C5 root, and courses deep to the medial border of the s...

Three specialized membranes line body cavities and cover organs to reduce friction and provide mechanical protection: the pleura, pericardium, and peritoneum. These serous membr...

A hooded eye describes a visible fold of skin from the brow or upper lid draping over the crease or part of the mobile lid, narrowing the visible eye opening without downward pu...

A hooded eye is an anatomical eyelid condition where excess upper lid skin folds downward, partially or fully covering the mobile lid and crease, most often creating a narrower...