Flashcards in G.A cardiovascular & lymph system Deck (29)
How many beats does the heart avg.? mL?
75 beats per minute; 70-80 mL per beat!
Right atrium has? receives? which valve?
right auricle (little ear)
- recieves deoxygenated blood from IVC
- tricuspid valve going from RA to RV
Right ventricle has?
is most of anterior surface
has trabeculae carnae
-receives from RA
-blood goes through semilunar valve to pulmonary arteries (deoxy. blood) to the lungs
Left atrium receives? valve?
has oxygen rich blood from lungs via 4 pulmonary veins
most of posterior surface of heart
bicuspid valve to LV (mitral valve)- chorda tendinea, Papillary muscles
Left ventricle has? pumps to?
Apex of heart
Inferior surface of heart
pumps to Aorta- therefore rest of body
what separates the ventricles?
where is Apex located?
5th intercostal space, near diaphragm
Branches off the external carotid
Terminates: superficial temporal arteries & maxillary
"Save A Lady Falling Out (of a) Plane Super Man"
Branches off the Ascending Aorta and Aortic Arch
brachiocephalic (r. common carotid & R. subclavian)
L. common carotid
Branches off Abdominal Aorta
Celiac trunk: L. gastric, common hepatic & splenic
Superior mesenteric: goes to the S.I., middle, right, ilio colic
Inferior mesenteric: L. colic, sigmoid & sup rectal
what is the mediastinum?
intrapleural space in the thorax
Superior mediastinum location? contents?
L: first rib to sternal angle (T4-T5 disc)
C: SVC (upper 1/2), arch of aorta, trachea, int thoracic A. & V, Brachiocephalic A. & V., left common carotid A., subclavian, thoracic duct, esophagus, thyroid, vagus N., left current laryngeal N., thymic remnants & phrenic N.
middle medisatinum Location? Contents?
L: between left & right pleural cavities (lungs)
C: heart, pericardium, ascending aorta, SVC (lower 1/2), R & L pulm. A. & V., phrenic N., great vessels, arch of azygous V. and main bronchi
Anterior mediastinum location? contents?
L: anterior to pericardium
C: thymic remnants, lymph nodes, fat & loose CT, sternopericardial lig.
Posterior mediatsinum location? contents?
L: post to pericardium between mediastinal pleurae
C: esophagus, descending thoracic aorta, azygous & hemiazygous V., thoracic duct, symp. trunk, splanchnic & vagus N.
what type of organ is the spleen?
what does the spleen store?
what does the spleen produce?
lymphocytes & antibodies
what does the spleen contain?
both red pulp (RBC) and white (lymphocyte) pulp
what system is Lymph a part of?
what organs make up the lymphatic system?
Spleen, tonsils, thymus, bone marrow
What makes up a nerve?
cell body- perikaryon or soma, contains the nucleus
Axon- the impulse generator
terminal button- NT stored here
Ectoderm give rise to?
epithelial cells of skin & nervous tissue
endoderm gives rise to?
epithelial cells that line the respiratory & digestive tracts
Mesoderm gives rise to?
everything else that ectoderm & endoderm dont cover
Sclerotome give rise to?
Myotome give rise to?
Dermatome give rise to?
dermis of skin