unit 1 a&p

Homeostasis

Tendency of the body to maintain a stable, balanced, internal environment (Sameness)

Differentiation

The process by which a cell becomes specialized to perform a specific function

Receptors

(Sensors) Detect conditions within the body such as temperature, information is related to the brain

Effectors

Muscles or glands that respond to deviation from the set point, glands might initiate sweating to cool the body back to its set point

Supine

A body position where a person lies face up

Prone

A body position where a person lies face down

Superior

A body part is above another body part

Inferior

A body part is below another body part

Superficial

Situated near the surface of the body

Deep

describes parts that are more internal than superficial parts

Proximal

describes a body part that is closer to a point of attachment to the trunk than another body part is

Distal

is the opposite of proximal- farther from a point of attachment

Medial

means to an imaginary midline diving the body into equal right and left halves

Lateral

mmeans away from the center

Anterior

(ventral) means towards the front

Posterior

(dorsal) means towards the back

Frontal

(coronal) refers to a plane that divides the body into anterior and posterior portions (front and back)

Sagittal

refers to a lengthwise plane that divides the body into right and left portions

Transverse

(horizontal) refers to a plane that divides the body into superior and inferior portions (upper and lower)

Dorsal

means towards the back (posterior)

Ventral

(anterior) means towards the front

Cranial cavity

brain

Spinal cavity

spinal cord

Brachial

the upper arm, the brachial artery is found in the center of the arm

Cervical

Related to the neck region

Femoral

Related to the thigh

Orbital

Pertaining to the eye socket

Pedal

Related to the foot

Pectoral

Pertaining to the chest

Cephalic

Relating to the head