Anatomy/Physiology Vocabulary Words

Specialized tissue in wall of right atrium that initiates electrical stimulation of the heart

Located in the floor of the mouth on the inside surface of the lower jaw. It secretes saliva

A portion of the brain that is involved in regulating body temperature and the pituitary gland

Erythrocyte

Enzyme of the stomach that breaks down proteins

Flaplike, cartilaginous structure that covers the windpipe when swallowing

The shaft of a long bone

This separates the air in the alveoli from the blood in the capillaries

Aqueous Humor

Thick protein fiber that is part of a muscle cell

Cystic Duct

Heel Bone

Pharynx

Bile

A hormone secreted by the pancreas that help lower blood sugar

Aorta

Hormone that increases heart rate, blood pressure. Stress causes it to be secreted

Leukocyte

The portion of the small intestine that connects to the stomach

Moving a part so that its end follows a circular path

A protein on the surface of a cell that acts as an identification marker

The calf muscle

Structure of the inner ear that helps in balance

Hematocrit

Periosteum

String-like structures in the heart that prevent the cusps of valves from swinging too far open

Fibers in the heart that conduct impulses from the AV bundle into the ventricular walls

A fleshy structure that prevents food from entering the nasal cavity

A gland that secretes a hormone that is involved in metabolism

Abduction

Dendrite

Part of the brain located in the lower back portion where vision is processed

The layer of the heart composed of muscle tissue

Chemical secreted from an axon that travels through a synapsis to an effector or another neuron

Meissner's Corpuscles

The wrist bones

A hormone that stimulates red blood cell production

The air sacs of the lungs are called

A cell that a hormone exerts its effect on

Referred Pain

A gland that secretes a hormone that raises blood calcium levels when they get too low

Meninges

The outer part of the ear that funnels sound into the ear

Located on the skull and provides attachment for muscles of the neck

Acetylcholine