Medical Terminology Simplified

5–15 The CF ventricul/omeans ventricle (of the heart or brain).A ventricle is a

small cavity, such as the right and left ventricles of the heart or one of the cavities

filled with cerebrospinal fluid in the brain.

Incisions are sometimes performed into these cavities. An incision of a ventricle is

known as a ____________________ / _____ / __________.

5–16 The term atri/o/ventricul/ar (AV) refers to the atrium and the ventricle. It

also pertains to a connecting conduction event between the atria and ventricles.

The singular form of atria is ____________________; the singular form of ventricles

is ____________________.

Frame 5–9to Frame 5–16

Cardiovascular System • CHAPTER 5 163

(6)

(11) Left

(10) Right

(12) Right

(13) Left

(1) Right

(2) Left

(7)

(3)

(4)

(8)

(14)

(15)

(5)

(9)

(16)

(17)

(18)

( )

( )

( )

( )

( )

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Figure 5-3Internal structures of the heart (red arrowsdesignate oxygen-rich blood flow and
blue arrowsdesignate oxygen-poor blood flow).

ventricul/o/tomy

vĕn-trĭk-ū-LŎT-ō-mē

atrium, ventricle

Ă-trē-ŭm, VĔN-trĭk-l