8 Terms
Contributors in Human body
Human body
omohyoid muscle
Anatomy; Human body
A muscle having two bellies attached to an intermediate tendon, with origin by the inferior belly from the upper border of the scapula, with insertion by the superior belly into the hyoid bone, with ...
sternohyoid muscle
Anatomy; Human body
A muscle with origin from the episternum and the first costal cartilage, with insertion into the hyoid bone, with nerve supply from the upper cervical nerve through the cervical ansa, and whose ...
trapezius muscle
Anatomy; Human body
The trapezius muscle is a flat, triangular muscle that covers the back of the neck, shoulders and thorax. The upper and lower fibers are important to the orientation of the shoulder blade (scapula). ...
melanin
Anatomy; Human body
A dark-brown to black pigment occuring in the hair, the skin, and in the iris of eye.
scalene muscles
Anatomy; Human body
The scalene muscles are lateral vertebral muscles that begin at the first and second ribs and pass up into the sides of the neck. There are three of these muscles. (1) The scalenus anterior muscle, ...
ventricular fibrillation
Anatomy; Allergies and allergens
An erratic, disorganized firing of impulses from the ventricles. The ventricles quiver and are unable to contract or pump blood to the body. This is a medical emergency that must be treated with ...
vocal cord
Anatomy; Human body
Either of two folds of mucous membrane that extend across the interior cavity of the larynx and are primarily responsible for voice production. Sound is produced by the vibration of the folds in ...
