Anatomy Of The Head

The brain is one of the largest and most complex organs in the human body. It is made up of more than 100 billion nerves that communicate in trillions of connections called synapses.

Amazon Com 3b Scientific C12 Median Section Head 3b Smart

The ear can be divided in to three sections.

Anatomy of the head. Teachme anatomy part of the teachme series the medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes. We use cookies to ensure that we give you the best experience on our website. Those signals are sent to the brain via the vestibulocochlear nerve.

The organs of the head include. If you continue to use this site we will assume that you are happy with it. The outer middle and inner ear are responsible for collecting auditory information.

Sound waves travel through the ears and vibrate membranes and tiny bones. The cortex is the outermost layer of brain cells. It is attached to the spinal column by way of the first cervical vertebra the atlas and connected with the trunk of the body by the muscles blood vessels and nerves that constitute the neck.

The brain is made up of many specialized areas that work together. A head is the part of an organism which usually includes the ears brain forehead cheeks chin eyes nose and mouth each of which aid in various sensory functions such as sight hearing smell and taste respectively. Superficial dissections of the head and neck as seen in the gallery show the many different muscles that are required for movement plus those that control facial expression.

The head has probably developed because of forward locomotion as a well developed head is absent in organisms lacking unidirectional movement eg. The corresponding part of an invertebrate animal. Head in human anatomy the upper portion of the body consisting of the skull with its coverings and contents including the lower jaw.

The muscle anatomy of the head and neck is a fascinating area with the the neck also containing the 7 vertebrae of the part of the spine called the cervical curve. The tympanic membrane marks the. This article describes the anatomy of the head and neck of the human body including the brain bones muscles blood vessels nerves glands nose mouth teeth tongue and throat.

Some very simple animals may not have a head but many bilaterally symmetric forms do regardless of size. Major sensory organs located in the head include. There is usually a concentration of sense organs in the head such as eyes tentacles antennae and mouth parts.

The ear the eye the nose and sinuses the salivary glands and the oral cavity. The external ear the middle ear and the inner earthe external ear functions to capture and direct sound waves through the external acoustic meatus to reach the tympanic membrane ear drum.

The Veins Of The Head And Neck Human Anatomy