1.1 Vocabulary

Abdominal cavity

contains the stomach and other parts of the digestive tract and the liver, as well as other organs.

abdominopelvic cavity

includes the abdominal cavity and pelvic cavity.

Anatomical position

is a normal standing position, with the feet slightly apart, the face and shoulders facing forward, and the palms of the hands facing forward.

Anatomy

the study of the form or structure of living things, including plants, animals, and humans.

Anterior (ventral) body cavity

continuous internal opening that includes the thoracic and abdominopelvic cavities.

Cranial cavity

holds the brain

Frontal coronal) plane

an invisible, vertical flat surface that divides the body into front and back halves.

Metric System

international system of measurement that is used in all fields of science.

Middle ear cavities

openings in the skull that serve as chambers for transmitting and amplifying sound.

Nasal cavity

opening within the nose

Oral cavity

located within the mouth

Orbital cavities

hold the eyes

Pelvic cavities

internal opening that holds the reproductive and excretory organs

Physiology

the study of how living things function or work

Posterior (dorsal) body cavity

internal opening located near the back of the body that includes the cranial and spinal cavities.

Sagittal plane

an invisible, vertical flat surface that divides the body into right and left halves

Spinal Cavity

surrounds the spinal cord.

Thoracic cavity

the internal opening that houses the heart and lung

Transverse plane

an invisible, horizontal flat surface that divides the body into top and bottom halves.

Midsagittal (median) plane

divides the body (or organ) into equal left and right parts.

Superior (cranial)

toward the head end or upper part of a structure or the body; above

Inferior (caudal)

away from the head end or toward the lower part of a structure or the body; below

Anterior (ventral)

toward or at the front of the body; in front of

Posterior (dorsal)

toward or at the backside of the body; behind

Medial

toward or at the midline of the body; on the inner side of

Lateral

away from the midline of the body; on the outer side of

Proximal

close to the origin of the body part or point of attachment to a limb to the body trunk

Distal

farther from the origin of a body part or the point of attachment of a limb to the body trunk

Superficial

toward or at the body surface

Deep

away from the body surface; more internal