What Does Line "M" Point To

question 56

Multiple Choice

What does line "M" point to?

• A)Arcuate artery
• B)Arcuate vein
• C)Collecting duct
• D)Descending loop
• E)Efferent arteriole

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Definitions:

Trabeculae Carneae

Muscular ridges and columns found inside the ventricles of the heart, which help strengthen and support its walls.

Pectinate Muscles

Internal ridges of myocardial tissue in the atria of the heart, particularly pronounced in the right atrium.

Chordae Tendineae

Tendinous strands running from the papillary muscles to the atrioventricular valves.

Endocardium

Innermost layer of the heart, including endothelium and connective tissue.