What is the anatomy of the head and neck?

What is the anatomy of the head and neck?

The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas). The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine.

What are the anatomical regions of the body?

Anatomical regions. The human body is divided into regions. The main ones in the human body are the head, neck, thorax, abdomen, pelvis, together with the upper and lower extremities. The upper limb is divided into shoulder, arm, elbow, forearm, wrist, and hand.

What are the anatomical cross sections?

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Cross-sections are two-dimensional, axial views of gross anatomical structures seen in transverse planes. They are obtained by taking imaginary slices perpendicular to the main axis of organs, vessels, nerves, bones, soft tissue, or even the entire human body.

What is the anatomical neck?

Description. The Anatomical Neck (collum anatomicum) is obliquely directed, forming an obtuse angle with the body. It is best marked in the lower half of its circumference; in the upper half it is represented by a narrow groove separating the head from the tubercles.

What are the anatomical terms of direction and location?

Up, Down, Side-to-Side: Directional Terms

Anterior At or near the front of the body (front view)
Posterior At or near the back of the body (back view)
Midline An imaginary vertical line that divides the body equally (right down the middle)
Lateral Farther from midline (side view)
Medial Nearer to midline (side view)

What is longitudinal section and cross section?

A longitudinal section is a section done by a plane along the long axis of a structure. It pertains to a section done by a plane along the long axis of a structure in contrast to a cross-section, which refers to the transverse section.

What is the anatomical term for head?

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The cephalon or cephalic region refers to the head. This area is further differentiated into the cranium (skull), facies (face), frons (forehead), oculus (eye area), auris (ear), bucca (cheek), nasus (nose), oris (mouth), and mentum (chin). The neck area is called the cervix or cervical region.

What is neck and its function?

The neck supports the weight of the head and protects the nerves that carry sensory and motor information from the brain down to the rest of the body. In addition, the neck is highly flexible and allows the head to turn and flex in all directions.

What is the difference between anatomical and surgical neck?

The anatomical neck is the portion that lies just below the head. As the neck continues along the humerus body, it is called the surgical neck (so named because this is the location of many fractures that require surgery).

What is the function of the anatomical neck of humerus?

Anatomical terms of bone The anatomical neck of the humerus is obliquely directed, forming an obtuse angle with the body of the humerus. It represents the fused epiphyseal plate.

What is a head and neck anatomy quiz?

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Head and Neck : anatomy quiz. A test from the famous Anatomy Atlas A 23-year-old man presents to the emergency department with knife lacerations to the face. One laceration is a deep wound to the superior aspect of the chin. Identify the artery most likely damaged by this lesion.

What are the 7 compartments of the head and neck?

Deep head and neck. The deep anatomy is separated by fascial planes into seven deep compartments of the head and neck: pharyngeal (superficial) mucosal space. parapharyngeal space. parotid space. carotid space. masticator space.

What are the basic concepts of thorax anatomy?

Thorax 1 Thoracic wall. The first step in understanding thorax anatomy is to find out its boundaries. 2 Thoracic cavity. Now that we’ve covered the boundaries, let’s add another layer of knowledge to the initial basic thorax definition. 3 Neurovasculature. 4 Organs. 5 Female breast anatomy.

How does the thoracic cavity communicate with the neck?

The thoracic cavity communicates with the neck via the superior thoracic aperture and with the abdominal cavity via the inferior thoracic aperture through anatomical spaces piercing the diaphragm. Located inside each cavity and compartment are various organs, thoracic blood vessels, nerves, and lymph nodes: