LAB 1a

Anatomical Position

The standard frame of reference for anatomical descriptions, where the body is upright, facing forward, arms and legs straight, palms forward, feet flat, and eyes open.

Importance of Anatomical Position

Provides a consistent orientation for anatomical descriptions and communication, especially in clinical settings.

Directional Terms

Terms used to describe the location of one body structure relative to another, always in reference to the anatomical position.

Anterior

Toward the front of the body.

Posterior

Toward the back of the body.

Superior

Above another structure.

Inferior

Below another structure.

Medial

Toward the midline of the body.

Lateral

Away from the midline of the body.

Ipsilateral

On the same side of the body.

Contralateral

On the opposite side of the body.

Superficial

Toward the surface of the body.

Deep

Away from the surface of the body.

Proximal

Closer to the point of origin of a structure.

Distal

Further from the point of origin of a structure.

Sagittal Section

A cut that divides the body into left and right parts.

Midsagittal Section

A cut that divides the body into equal left and right halves.

Parasagittal Section

A cut that divides the body into unequal left and right halves.

Frontal Section

A cut that divides the body into anterior (front) and posterior (back) parts.

Transverse Section

A cut that divides the body into superior (top) and inferior (bottom) parts.

Body Cavities

Major enclosed regions of the body that house specific organs and are lined with membranes.

Cranial Cavity

Contains the brain and is lined by meninges.

Vertebral Cavity

Contains the spinal cord and is lined by meninges.

Thoracic Cavity

Superior to the diaphragm, containing pleural and pericardial cavities.

Pleural Cavities

Contain the lungs and are lined by pleural membranes.

Pericardial Cavity

Contains the heart and is lined by the pericardium.

Abdominopelvic Cavity

Large cavity inferior to the diaphragm containing abdominal and pelvic organs.

Abdominal Cavity

Contains digestive organs and is lined by peritoneum.

Pelvic Cavity

Contains the urinary bladder, rectum, and reproductive organs, lined by peritoneum.

Regions of the Body

Anatomical names for specific areas of the body, such as acromial for shoulder.

Acromial

Anatomical term for the shoulder region.

Thoracic

Anatomical term for the chest region.

Pectoral

Anatomical term for the pecs region.

Sternal

Anatomical term for the sternum region.

Axillary

Anatomical term for the armpit region.

Brachial

Anatomical term for the arm region.

Abdominal

Anatomical term for the abdomen region.

Umbilical

Anatomical term for the belly button region.

Antebrachial

Anatomical term for the forearm region.

Carpal

Anatomical term for the wrist region.

Coxal

Anatomical term for the hip region.

Inguinal

Anatomical term for the groin region.

Pubic

Anatomical term for the pubic region.

Femoral

Anatomical term for the thigh region.

Patellar

Anatomical term for the knee region.

Crural

Anatomical term for the leg region.

Tarsal

Anatomical term for the ankle region.

Digital

Anatomical term for the toe region.

Cranial

Anatomical term for the head region.

Nuchal

Anatomical term for the back of the neck region.

Scapular

Anatomical term for the shoulder blade region.

Vertebral

Anatomical term for the spine region.

Cubital

Anatomical term for the elbow region.

Lumbar

Anatomical term for the lower back region.

Sacral

Anatomical term for the region below the lumbar.

Gluteal

Anatomical term for the buttock region.

Dorsum of Hand

Anatomical term for the back of the hand.

Popliteal

Anatomical term for the back of the knee region.

Calcaneal

Anatomical term for the heel region.

Abdominopelvic Regions

Nine regions used to identify specific organs within the abdominop