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Anatomical Concepts final
anatomy
63
Anatomy
Undergraduate 2
10/11/2016

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Term
Name and explain the parts of the autonomic nervous system
Definition
Sympathetic: speeds up or tightens (fight or flight)
Parasympathetic: slows down or relaxes (rest and digest)
Term
What is a synapse?
Definition
Non-connecting connection between neurons. Need chemical neurotransmitters to carry impulses between neurons.
Term
Types of synapses
Definition
Presynaptic neuron: sender
Postsynaptic neuron: receiver
Term
Cranial nerve 1 and function
Definition
Olfactory: sensory= smell
Term
Cranial nerve 2 and function
Definition
Optic: sensory= sight
Term
Cranial nerve 3 and function
Definition
Oculomotor: Motor= most eye movement
Term
Cranial nerve 4 and function
Definition
Trochlear: motor= eye movement to look at nose
Term
Cranial nerve 5 and function
Definition
Trigeminal: both= sensation of face/mastication
Term
Cranial nerve 6 and function
Definition
Abducens: motor= abduction of eye
Term
Cranial nerve 7 and function
Definition
Facial: both= taste/ facial expression
Term
Cranial nerve 8 and function
Definition
Vestibulocochlear: sensory= hearing and balance
Term
Cranial nerve 9 and function
Definition
Glossopharengeal: both= taste/ gag reflex
Term
Cranial nerve 10 and function
Definition
Vagus: both= sensation and motion of internal organs
Term
Cranial nerve 11 and function
Definition
Spinal accessory: Motion= upper back/neck muscles
Term
Cranial nerve 12 and function
Definition
Hypoglossal: motor= swallowing and speech
Term
Parts of the brain
Definition
Cerebrum, brainstem, cerebellum
Term
4 lobes of the brain and their function
Definition
1) Frontal: emotional behavior and smell
2) Occipital: Vision
3) Parietal: sensory awareness
4) Temporal: hearing
Term
How many pairs of spinal nerves are there (break them up into their respective groups)
Definition
31 pairs
Cervical: 8
Thoracic: 12
Lumbar: 5
Sacral: 5
Coccyx: 1
Term
How are the spinal nerves arranged
Definition
In pairs
Term
Meninges what they are and the 3 layers
Definition
3 layers of covering around the spinal cord and brain.
1) Dura matter: hard outer layer/ extension of dura of the brain
2) Arachnoid matter: middle translucent layer/ separated from pia matter by subarachnoid space
3) Pia matter: thin inner vascular layer covering
Term
Location, function, and circulation of cerebral spinal fluid
Definition
Location: subarachnoid space
Function: lubrication and friction of spinal cord
Circulation: ventricles and around spinal cord
Term
Brachial plexus
Definition
C5-C7, 5 major nerves of upper limb (Musculocutaneuos, median, radial, ulnar, and axillary), made up of Roots/trunk/division/cords/branches
Term
Lumbar plexus
Definition
L1-L4, major nerves of lower body (femoral and sciatic nerve)
Term
Dermatomes
Definition
area of the skin that's innervated by nerves, testing sensations of these can determine an injury in the spine
Term
Types of sensory receptors and their locations
Definition
1)Exteroceptors: near body surface, epidermis and connective tissue, heat/touch/pain
Proprioceptors: deep tissue, stretch/movement/pressure/
Interoceptors: epithelial tissue, line vessel walls
Term
Location of ganglia in spinal cord/nerve
Definition
intersection of nerves in peripheral NS and posterior/sensory root of neuron
Term
What is an ascending nerve tract
Definition
Sensory input to CNS from body (goes up spinal cord to brain)
Term
Spinal reflexes
Definition
Involuntary muscles response to stimuli
Term
Monosynaptic reflexes
Definition
1 synapse 2 neurons, knee jerk reflex, does not require higher level of function
Term
Polysynaptic reflexes
Definition
Multiple synapses and neurons, with drawl reflex (heat or pain)
Term
Both types of blood flow circulation and explain
Definition
1) Pulmonary: deoxygenated blood from right side of heart to lungs to pick up oxygen and releases carbon dioxide, takes oxygenated blood to left side of heart
2)Systematic circulation: oxygenated blood from left side of heart goes out to the body, deoxygenated blood goes back to the right side of the heart
Term
Differences between arteries and veins
Definition
Arteries: have a muscle wall, maintain pressure, have small lumen, don't have valves, carry oxygenated blood to the body
Veins: don't have a muscle wall, don't maintain pressure, have large lumen, have valves, and carry deoxygenated blood to the heart
Term
Mediastinum (location, structures of it, and sections of it)
Definition
Location: Cavity in chest between but excluding the lungs
Structures: houses/protects the heart and great vessels, esophagus and trachea pass through, vagus and phrenic nerve innervate it, and the thymus gland
Sections: superior, anterior, posterior, lateral wall, floor (thoracic diaphragm)
Term
Chambers of the heart and blood flow of the right heart
Definition
1)Atrium: receives deoxygenated blood from IVC and SVC
2)Tricuspid Valve
3)Right Ventricle
4)Pulmonic valve
5)Pulmonary trunk
6)Pulmonary artery (only artery that carries deoxygenated blood. carries it to the lungs)
Term
Chambers of the heart and blood flow of the left heart
Definition
1)Left atrium (receives oxygenated blood from the pulmonary veins from the lungs)
2)Bicuspid valve
3)Left ventricle
4)Aortic valve
5)Ascending aorta
6)Aortic arch (Brings oxygenated blood to the upper body)
7)Thoracic aorta (brings oxygenated blood to the lower body)
Term
How does the heart muscles itself get its own blood supply?
Definition
Coronary arteries and veins
Term
Cerebral blood flow/circulation
Definition
Up superior vena cava, through arteries, than the brain drains the venus blood into sinuses which drain into the jugular vein and back into normal circulation
Term
Peripheral circulation
Definition
Brain/carotid artier and vertebral arteries send blood into the circle of willis which connects the arteries with the arterial circulation
Term
Venus circulation
Definition
Brings deoxygenated blood back to heart
Term
Arterial circulation
Definition
Brings oxygenated blood to the body
Term
Pulses
Definition
Carotid (neck), radial and ulnar (wrist), brachial (arm), femoral (groin/inguinal area), popliteal (back of knee)
Term
Major arteries and veins of organs
Definition
Hepatic veins, common hepatic artery, L/R renal arteries and veins, splenic artery, phrenic artery, L/R gastric artery
Term
Azygo system
Definition
Venus drainage system of posterior chest into superior vena cava
Term
Hepatic system and steps
Definition
Oxygenated blood to the liver
1)Portal/hepatic vein carries blood from GI tract, spleen, and pancreas to liver
2)Blood flows to liver sinusoids
3)Nutrients and toxins are processed and removed
4)Liver is drained via hepatic vein
5)Drains into inferior vena cava
Term
External assist to get blood from extremities to heart
Definition
Muscular contraction
Term
Purpose of lymph system
Definition
Immunity, identifies and destroys invading viruses and bacteria
Term
How lymph system flows
Definition
has no pump, relays on muscle contraction and respiration
Term
What attacks invaders of the body
Definition
lymphocytes and t-cells
Term
Lungs (PARTS, location, function)
Definition
Parts:
right lung= 3 lobes
left lung= 2 lobes and a cardiac notch for the heart
Location: mediastinum of the chest
Function: gas exchange
Term
4 quadrons of the abdomen
Definition
URQ, ULQ, LRQ, LLQ
Term
Stomach (LOCATION, FUNCTION, and parts)
Definition
L: ULQ
F: digests proteins, secretes digestive enzymes, stimulates the gallbladder and pancreas
P: Cardia, fundus, body, pylorus
Term
What type of muscles lines the stomach
Definition
It turns from skeletal (esophagus) to smooth muscles)
Term
What is the first organ of the digestive system?
Definition
Stomach
Term
Small intestine (PARTS, location, function)
Definition
P: duodenum, jejunum, ilium
L: both LQ, connects to the large intestine in the ileocecal junction in RLQ
F: chemical and mechanical digestion and nutrient absorption
Term
Large Intestine (function and parts)
Definition
F: absorption of water and minerals
P: cecum (ileocecal valve and appendix), ascending colon, transverse colon, descending colon, sigmoid colon, rectum
Term
Liver (FUNCTIONS4, location, parts)
Definition
F: 1)store release proteins and lipids
2)manufactures urea
3)manufactures bile
4)detoxifies harmful ingested subsatnces
L: URQ
P:4 lobes, falciform ligament, bile duct
Term
Biliary system
Definition
drains bile from liver to gallbladder for storage and release. and goes to the duodenum
Term
Gallbladder (FUNCTION, location)
Definition
F: storage chamber of bile
L: URQ
Term
Pancreas (LOCATION AND FUNCTION)
Definition
L: ULQ (under stomach)
F: 1)secrets enzymes for digestion
2)secretes hormones for glucose metabolism and regulation
Term
Spleen
Definition
Major organ of immune system
Term
Urinary Tract (PARTS)
Definition
P: 1)Kidney
2)Ureters
3)Urinary bladder
4)Urethra
Term
Kidneys (LOCATION and PROTECTION)
Definition
L:retroperitoneal area (L&R UQ)
PR: lower ribs
Term
3 arteries of aortic arch
Definition
1)brachiocephalic
2)left common carotid
3)left subclavian
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