Cardiovascular Anatomy
Heart muscle is known as:
What is myocardium? Cardiac
This neurotransmitter is released by motor neurons to make the sarcolemma more permeable to sodium ions
What is Acetylcholine?
This is the thicker of the myofibrils
What is myosin?
liver cells
What are hepatocytes?
Functional unit of lungs
What is alveoli?
These disks speed up nerve transmission in cardiac muscle
What are intercalated disks?
The structure of the abdominals that is only made of connective tissue, and is an excellent location for a surgeon to enter the abdominopelvic cavity
What is linea alba?
These structures cover the actin binding sites
What is tropomyosin?
Compound formed as waste from breakdown of RBCs
What is bilirubin?
The emotional brain
What is the limbic system?
This structure separates the left and right ventricles.
What is the intraventricular septum?
Muscle of jaw that is important in chewing
What is masseter?
A motor neuron stimulates a muscle fiber at the
What is the motor end plate? Neuromuscular junction
Enzyme for raising blood glucose levels
What is glucagon?
Neuron formation from adult stem cells leading to brain plasticity
What is neurogenesis?
Name the two atrioventricular valves
What are the mitral and tricuspid valves?
The large muscle of the chest that originates at sternum, clavicle, and costal cartilage. This muscle inserts on the intertubercular groove of the humerus
What is the pectoralis major?
After contraction, calcium returns to
What is the sarcoplasmic reticulum?
Cells that secrete HCL and Intrinsic factor
What are parietal cells?
The diencephalon develops into...
What is the thalamus and hypothalamus?
These parachute string-like structures attach to the valve and the papillary muscle and prevent backward flow of blood
What are the chordae tendinae?
The two muscles that make up the calf muscle
What are gastrocnemius and soleus?
Pulling of actin by the myosin head
What is the powerstroke?
Name the sections of small intestine
What are duodenum, jejunum, and ileum?
What is the vein that takes blood to the liver from the small intestine
What is the portal vein?