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A&P 2 Lab pgs17-19
sheep heart, blood
27
Anatomy
Undergraduate 1
02/15/2013

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Term
anterior longitudinal sulcus
Definition
slanted depression between two ventricles; coronary vessels can be seen in this depression
Term
ligamentum arteriosum
Definition
tough piece of tissue between pulmonary trunk and the arch of the aorta; remains of ductus arteriosus
Term
epicardium (visceral pericardium)
Definition
very thin outer layer covering the heart
Term
myocardium
Definition
thick, muscular portion of the heart wall
Term
endocardium
Definition
smoother, inner lining of the heart chambers
Term
interventricular septum
Definition
very thick partition between ventricles
Term
interatrial septum
Definition
separates the two atria
Term
chordae tendinae
Definition
tough cords running from between papillary muscules in the ventricles and valves known as cuspid valves
Term
mitral valve (bicuspid valve)
Definition
cuspid valve between the left atrium and left ventricle
Term
tricuspid valve
Definition
cuspid valve between the right atrium and the right ventricle
Term
aortic semilunar valve
Definition
present at the base of the aorta
Term
moderator band
Definition
very large, round band present in the right ventricle; not one of the chordae tendinae since it is not attached to a valve; believed to prevent overdistention of the right ventricle
Term
erythrocytes
Definition
red blood cells; most numerous blood cells in a smear; circular disc shaped, pink
Term
blood platelets
Definition
small, bluish-colored cellular fragments scattered throughout the smear
Term
neutrophils
Definition
most numerous of white blood cells; cytoplasm light pink; fine, homogenous, neutral-staining granules; polymorphic nucleus (3-5 lobes which are connected by thin strands of nuclear material)
Term
eosinophil
Definition
granular leukocyte which is not very numerous; cytoplasm contains many dark staining red granules; polymorphic nucleus (2 lobes)
Term
basophil
Definition
least numerous of granular leukocytes; very dark staining basophilic granules in cytoplasm which appear to mask or overlie nucleus
Term
lymphocytes
Definition
second most common leukocyte in adult smears; agranular; dark purple, large nucleus surrounded by little sky blue cytoplasm
Term
monocytes
Definition
agranular leukocytes; various shapes for nuclei (rounded, indented, horseshoe shaped); nucleus stains purple, but not as dark as lymphocytes'
Term
Erythrocytes
Definition
Term
erythrocytes
Definition
[image]
Term
platelets
Definition
[image]
Term
neutrophils
Definition
[image]
Term
eosinophils
Definition
[image]
Term
basophils
Definition
[image]
Term
lymphocytes
Definition
[image]
Term
monocytes
Definition
[image]
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