Intro A&P Exam 4- Book Notes Flashcards
Abdominal Cavity
abdominal cavity- begins at inferior surface of the diaphragm
stomach, liver, spleen, colon
different in that it is totally protected by muscle
4 quadrants- RUQ, LUQ, RLQ, RUQ
Abduction
movement away from the midline
Adduction
movement toward the midline
Adipose Tissue
fatty tissue
Afferent Nerves
sensory nerves, carry messages TO brain and spinal cord
Amphiarthrosis
joint with little motion
Amount of Blood in Human
adult- 4 to 6 quarts
Anatomic Position
a standard position of the body: standing erect, facing directly forward, feet pointed forward and slightly apart, and arms hanging down at the sides with palms facing forward. This position is used as a reference to describe sites or motions of various parts of the body
Anatomy
study of the structure of an organism
Anterior
ventral, front half of body
Aorta artery
largest artery in the body, carries blood away from the heart
Aortic valve
flap or cusp located between the left ventricle and the aorta
Apnea
absence of respirations, temporary cessation of respirations
Arachnoid Membrane
part of the meninges, arachnoid membrane- delicate layer that allows blood vessels to pass through
Arteries
blood vessels that carry blood away from the heart
Arterioles
smallest branch of an artery, connects arteries to capillaries
Axon
carry impulses away from the cell body of a neuron
Basophils
participate in the body’s inflammatory response, produce histamine- a vasodilator, and heparin- an anticoagulant
Biceps Brachii
upper arm, flexes lower arm and supinates hand
Bicuspid valve
mitral valve- between left atrium and left ventricle
also called the bicuspid valve
Biology
Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.
Bradycardia
slow heart rate, below 60 beats per minute
Buccal Cavity
mouth
Capillaries
connect arteries and venules, diffusion takes place here