Textbook Question
Define cardiac cycle, and follow the events of one cycle.
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Ch. 18 The Cardiovascular System: The Heart
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091
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Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System10
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton11
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity28
- Ch. 14 The Autonomic Nervous System18
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart22
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses29
- Ch. 22 The Respiratory System20
- Ch. 23 The Digestive System30
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System25
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System23
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
Chapter 17, Problem 14
As Cara worked at her dissection, she became frustrated that several of the structures she had to learn about had more than one common name. Provide another name for each of these structures:
a. Atrioventricular groove
b. Tricuspid valve
c. Bicuspid valve (give two synonyms)
d. Atrioventricular bundle
Verified step by step guidance1
Step 1: Understand that many anatomical structures have multiple common names or synonyms, often based on their location, function, or historical naming conventions.
Step 2: For the atrioventricular groove, identify its alternative name by considering its position between the atria and ventricles of the heart.
Step 3: For the tricuspid valve, recall that it is the valve located between the right atrium and right ventricle, and think about other names that describe its function or location.
Step 4: For the bicuspid valve, which is located between the left atrium and left ventricle, find two synonyms by considering both its structure (number of cusps) and its anatomical position.
Step 5: For the atrioventricular bundle, also known as the conduction pathway between the atria and ventricles, identify its other common name related to its role in electrical conduction in the heart.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Anatomical Terminology and Synonyms
Many anatomical structures have multiple names, including common names and scientific terms. Understanding synonyms helps in recognizing the same structure across different texts or contexts, which is essential for clear communication in anatomy.
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02:40
Anatomical Position
Heart Anatomy and Valves
The heart contains specific structures like grooves, valves, and bundles that regulate blood flow. Knowing the names and functions of valves such as the tricuspid and bicuspid valves is crucial for understanding cardiac physiology and anatomy.
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7:13Systole, Diastole, Pressure, & Valves
Conduction System of the Heart
The atrioventricular bundle, also known as the bundle of His, is part of the heart's electrical conduction system. It transmits impulses from the atria to the ventricles, coordinating heartbeats, which is vital for understanding cardiac function.
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4:04Electrical Conduction System of the Heart Example 1
Related Practice
Textbook Question
What is cardiac output, and how is it calculated?
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Textbook Question
The activity of the heart depends on intrinsic properties of cardiac muscle and on neural factors. Thus:
a. Vagus nerve stimulation of the heart reduces heart rate
b. Sympathetic nerve stimulation of the heart decreases time available for ventricular filling
c. Sympathetic stimulation of the heart increases its force of contraction
d. All of the above
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Textbook Question
Trace one drop of blood from the time it enters the right atrium until it enters the left atrium. What is this circuit called?
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Textbook Question
Describe the pericardium and distinguish between the fibrous and the serous pericardia relative to histological structure and location.
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Textbook Question
Draw a normal ECG pattern. Label and explain the significance of its deflection waves.
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