Anatomy

• Introduction to human anatomy
• Umbilical artery
• Middle cerebral artery  

Directional terms

• superior - toward the head
• inferior - toward the feet
• medial - toward midline of the body
• lateral - away from the midline of the body
• anterior - on the front side of the body
• posterior - on the back side of the body

More on anatomical terms of location

Anatomical position
The human is standing with the palms of the hands facing anterior. Thumb is lateral to the little finger.