Anatomy I Test #1 Review and Quiz Details

Anatomy

The study of the structure of an organism and the relationship of its parts.

Physiology

The study of the functions of an organism.

Tissue

An organization of many similar cells that together perform a common function.

Lateral

Means 'toward the side of the body.'

Frontal Plane

Divides the body or any of its parts into anterior and posterior portions.

Axial Portion

One of the two major portions of the body, which includes the head, neck, and trunk.

Appendicular Portion

One of the two major portions of the body, which includes the limbs.

Homeostasis

The relative constancy of the body's internal environment.

Mediastinum

A subdivision of the thoracic cavity.

Percussion

Tapping body parts with fingers, hands, or an instrument during a physical examination.

Hypogastric Region

An example of a lower abdominal region.

Cell

The least complex of the structural levels of organization.

Diaphragm

Separates the thoracic and abdominal cavities.

Cells

Basic structural and functional unit of all living tissue.

Tissues

Cohesive groups of similar cells.

Organs

Formed when complex assemblies of tissues join together.

System

A group of tissues joined to perform a specific function.

Cranial Cavity

Cavity where the brain is found.

Thoracic Cavity

Cavity where the heart and esophagus are found.

Abdominal Cavity

Cavity where the gallbladder, liver, and other organs are found.

Dorsal Surface

The surface of the foot where the toenails are located.

Proximal

Closer to the point of origin.

Distal

Further away from the point of origin.

Anatomical Position

Upright, facing forward, palms up, toes pointed forward.

Sagittal Plane

Divides the body into left and right sections.

Coronal Plane

Divides the body into anterior and posterior sections.

Transverse Plane

Divides the body into superior and inferior sections.

Negative Feedback Loop

Primary mechanism for maintaining homeostasis, bringing the body back to the state it should be in.

Positive Feedback Loop

Initial stimulus triggers a reaction that causes a change in the same direction.