Explanation The organization of the spinal cord has crucial importance in clinical diagnosis of the disease. The damage of certain disease allows the physician to diagnose the cause and effect of the disease...

Visual Anatomy & Physiology (2nd Edition)

2nd Edition

ISBN: 9780321918949

Author: Frederic H. Martini, William C. Ober, Judi L. Nath, Edwin F. Bartholomew, Kevin F. Petti

Publisher: PEARSON

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Thoracic and Abdominal Veins

Thorax is the region that is referred to as the trunk’s superior part and is situated between the region of the abdomen and neck. On the other hand, the abdomen is the region that is situated between the pelvis and thorax. The thoracic veins and veins of…

Ovarian and Uterine Cycles

Two cycles are engaged with the guideline of a lady's richness: the ovarian cycle and the uterine cycle (additionally called the period). The ovarian cycle is a cycle that controls a lady's fruitfulness. The ovary of the follicle that produces an egg eve…

Structure and Function of The Vertebral Column

The vertebral column (also known as the backbone or spine) is a tall, thin bone that runs from the base of the spine to the pelvis and is located dorsally. It protects the spinal cord and serves as a vital connection point for a variety of muscle groups.

Axial Versus Appendicular Muscles

Axial muscle is one of the skeletal muscles that are found in the trunk and the head regions of the human body. They include the muscles of the tail and eyeball too. Axial muscles are originated from the axial skeleton that composes the bones in the neck…

Motor Units In Skeletal Muscles

A motor unit is a functional unit of muscle contraction and each muscle in the body includes many motor units. It consists of alpha motor neurons, axons, and muscle fibers. Each motor neuron comes from the anterior horn of the spinal cord and supplies ne…

Muscle And Nervous Tissues

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Gastroileal Reflex

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Blood Vessels Of The Head And Neck

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The skeletal system present in our body is distinguished as the axial and appendicular skeleton. The appendicular skeleton has upper and lower limb bones. The axial skeleton is the bones that are present in the upper part of the body. The axial skeleton …

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The circulatory system serves to deliver oxygen to different regions of the body. The oxygen that is inhaled diffuses through the air sacs into the blood where it binds to the hemoglobin component of the blood and transmitted to different regions of the …

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The lymphatic system is a network of complex tissues and organs that aid in the expulsion of the toxins and waste materials from the body. The role of this system is to guard the body from foreign invaders and help to maintain the body fluid level.

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Nail Structure And Function

The claw-shaped keratinous plate positioned at the edge of the finger and toes are called the nails. These structures are identified mainly in the primates. The toenails and the fingernails are composed of tough guarding protein known as alpha-keratin, w…

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Human Reproductive System

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Bone Marrow

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Integumentary System

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Blood Flow Through The Kidney

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Sexual Reproduction

Biology is the study of living organisms. It includes various processes occurring in these organisms, like digestion, reproduction, and excretion. Reproduction is a process of producing offspring or new organisms by single or two parents. When reproducti…

The Senses

The senses connect an organism to the world. A person can know, both consciously and otherwise, what goes on around him and within him through complex systems that send signals through a maze of brain circuits. These begin with the cells that respond to …

Nervous and Endocrine Systems

Any human body system is composed of a cluster of organs or cells that perform together to execute or maintain homeostasis. For example, the nervous system receives sensory input from the sensory receptors' environment, processes those signals, and direc…

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Eye Anatomy And Vision

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Respiratory System

It is a process by which living organisms produce energy by the oxidation of complex organic substances, typically with the intake of oxygen and the release of carbon dioxide.

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The cardiopulmonary system is responsible for the transportation of gases throughout the body. It comprises the heart, blood, and blood vessels. Each component of the cardiopulmonary system plays an important role in maintaining oxygen and carbon dioxide…

Digestive System

The digestive system consists of the liver and gallbladder, and gastrointestinal tract (also known as the G.I. tract). The G.I. tract is a series of hollow organs connected by a long, twisted tube that runs from the mouth to the anus. The mouth, esophagu…

The Digestive and Excretory Systems

The human body consists of several systems that help it to perform several essential life processes. The digestive system and the excretory system are some of the many systems that make the human body fit to its environment.

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Temporal Summation

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Question

Chapter 12.1, Problem 4.2R

Summary Introduction

To describe: The area of the spinal cord in which the virus-infected motor neurons is present with a person with polio who has lost the use of leg muscles.

Introduction: The poliomyelitis or polio is the viral disease that is caused by the polio virus. This disease affects the nervous system that can result in the paralysis of muscles. The symptoms of this disease include fever, sore throat, vomiting, head ache, abnormal reflexes and so on. It can transmit from one person to another person.

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Chapter 12.1, Problem 4.1R

Chapter 12.1, Problem 4.3R

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Chapter 12 Solutions

Visual Anatomy & Physiology (2nd Edition)

Ch. 12.1 - Prob. 1.1R Ch. 12.1 - Prob. 1.2R Ch. 12.1 - Prob. 1.3R Ch. 12.1 - Prob. 2.1R Ch. 12.1 - Prob. 2.2R Ch. 12.1 - Prob. 2.3R Ch. 12.1 - Prob. 3.1R Ch. 12.1 - Prob. 3.2R Ch. 12.1 - Prob. 3.3R Ch. 12.1 - Prob. 4.1R

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