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blood histology and heart lab part 2
Blood Histology and Heart Lab part 2
37
Anatomy
Undergraduate 3
10/12/2010

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Cards

Term

cardiovascular system

 

Definition

Function: transport system that carries blood and substances to and from tissues; antibodies and other proteins protect the body

Organs: heart, blood vessels, blood

Term
lymphatic system
Definition

Function: picks up leaked fluid from blood vessels and returns it; cleanses blood of disease and pathogens

Organs: lymph vessels and nodes, spleen, thymus, tonsils

Term
respiratory system
Definition

Function: keeps blood continuously supplied with oxygen and removes CO2; contributes to acid-base balance of blood

Organs: nasal passages, pharynx, larynx, trachea, bronchi, and lungs

Term
digestive System
Definition

Function: breaks down ingested foods; undigested residue is removed as feces

Organs: oral cavity, esophagus, stomach, small and large intestines

Term
reproductive system
Definition

Function: provides egg/sperm for reproduction; (female) houses development, mammary glands

Organs: testes, prostate gland, scrotum, penis, duct system, ovaries, uterine tubes, uterus, mammary glands, vagine

 

Term
integumetary system
Definition

Function: protects deeper organs, excretes salts and urea, regulation of body temperature

Organs: epidermal and dermal regions, cutaneous sense organs and glands

Term
erythrocytes (RBCs)
Definition
transport oxygen and carbon dioxide
Term

neutrophil

(WBC)

Definition
phagocytize bacteria
Term

eosinophil

(WBC)

Definition

kill parasitic worms

destroy antigen/antibody complexes

Term

basophil

(WBC)

Definition
releases histamine
Term

lymphocyte

(WBC)

Definition
mount immune response by direct cell attack or via antibodies
Term

monocyte

(WBC)

Definition

phagocytosis

develops into macrophages in tissues

Term

thrombocytes 

(Platelets)

Definition

seal small tears in blood vessels

instrumental in clotting

Term
apex
Definition
pointed; extends to the left and rests on the diaphragm
Term
epicardium
Definition
inner membrane surrounding heart
Term
pericardium
Definition
out membrane surrounding heart
Term
left and right atria
Definition

2 superior heart chambers (receive blood)

relatively ineffective as a pump

Term
left and right ventricle
Definition
2 inferior hear chambers; discharging chambers; force blood out of heart into large arteries that emerge from base of heart
Term
endocardium
Definition
thin serous endothelium that lines the atric and ventricles
Term
interatrial septum
Definition

septum seperating right and left atria

prevents blood from mixing

Term
interventricular septum
Definition

septum seperating left and right ventricles

prevents blood mixing

Term
tricuspid valve
Definition

right AV valve

prevents backflow into atria when ventricles contract

Term
bicuspid valve (mitral)
Definition

left AV valve

prevents backflow into atria when ventricle contracts

Term
chordae tendineae
Definition
tiny white collagenic cord which anchor the cusps to the ventricular walls
Term
papillary  muscles
Definition

small bundles of cardiac muscle that project from myocardial valve

 

Term
pulmonary semilunar valve 
Definition

prevent arterial blood from entering the hreat

flattens as ventricles discharge

 

Term
aortic semilunar valve
Definition

leads out into aorta

prevents arterial blood from entering heart

flattens and ventricles contract

Term
coronary sulcus
Definition
atrioventricular groove at junction of atria and ventricles
Term
auricles
Definition
earlike flaps of tissue projecting from atrial chambers
Term
coronary sinus
Definition

empties blood into right atrium by bypassing fetal lungs

receives blood from small cardiac veins

returns blood of coronary circulation to he right atrium

Term
fossa ovalis
Definition

allows bloodflow to bypass from right to the left atrium

oval depression in interatrial septum use to be foramen ovale in fetal heart

Term
moderator band
Definition
a bundle of cardiac muscle fibers connecting the interventricular septum to anterior papillary muscles
Term
aorta
Definition

when left ventricle discharges blood into

supplies blood to tissues

Term

pulmonary trunk 

(arteries)

Definition
receives blood from right ventricle and routes blood to the lungs to be oxygenated
Term
pulmonary veins
Definition
deliver oxygen rich blood from the lungs to the left atrium
Term
inferior vena cava
Definition
lower vena cava; brings blood to right atrium that is relatively oxygen poor from the body
Term
superior vena cava
Definition
superior to heart; brings blood to right atrium that is relatively oxygen poor from the body
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