May 18, 2012
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> Abdominal Portion of the Sympathetic System

Abdominal Portion of the Sympathetic System

(Pars Abdominalis S. Sympathici; Lumbar Portion of Gangliated Cord)

The abdominal portion of the sympathetic trunk (Fig. 90847). is situated in front of the vertebral column, along the medial margin of the Psoas major. It consists usually of four lumbar ganglia, connected together by interganglionic cords. It is continuous above with the thoracic portion beneath the medial lumbocostal arch, and below with the pelvic portion behind the common iliac artery. The ganglia are of small size, and placed much nearer the median line than are the thoracic ganglia.

Gray rami communicantes pass from all the ganglia to the lumbar spinal nerves. The first and second, and sometimes the third, lumbar nerves send white rami communicantes to the corresponding ganglia. The rami communicantes are of considerable length, and accompany the lumbar arteries around the sides of the bodies of the vertebræ, passing beneath the fibrous arches from which some of the fibers of the Psoas major arise.

Abdominal portion of the sympathetic trunk, with the celiac and hypogastric plexuses - Figure 90847

FIG. 90847– Abdominal portion of the sympathetic trunk, with the celiac and hypogastric plexuses. (Henle.)

Of the branches of distribution, some pass in front of the aorta, and join the aortic plexus; others descend in front of the common iliac arteries, and assist in forming the hypogastric plexus.

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Gray's Anatomy

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1. Embriology

Embriology Image List

The Animal Cell

The Spermatozoön

Fertilization of the Ovum

Segmentation of the Fertilized Ovum

The Neural Groove and Tube

The Primitive Segments

Separation of the Embryo

Development of the Fetal Membranes and Placenta

The Branchial Region

Development of the Body Cavities

The Form of the Embryo at Different Stages of Its Growth

2. Osteology

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Vertebral Column

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Skull

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Cranial Bones

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Extremities

Extremities Upper Extremity BonesScapula Clavicle Humerus Radius Ulna HandSkeleton of the Hand Carpals Metacarpals Phalanges of the Hand Ossification of bones of the Hand Lower Extremity BonesHip Bone Pelvis Femur Patella Tibia Fibula FootSkeleton of the Foot Tarsals Metatarsals Phalanges of the Foot Ossification of bones of the Foot Comparison of the Bones of the Hand and Foot Sesamoid Bones

3. Arthrology

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Classification of Joints

Movements Permitted at Joints

Trunk Articulations

Mandibular joint (temporomandibular joint) Vertebral Column ArticulationsJoints of the Vertebral Bodies Joints of the Vertebral Arches Sacrococcygeal Joint Atlantoaxial Articulation (C1-C2)Vertebral Column with the Cranium Costovertebral Articulations Sternocostal Articulations Interchondral Articulations Sternal Articulations Mechanism of the Thorax

Upper Extremity Articulations

Sternoclavicular (SC) Joint Acromioclavicular (AC) Joint Ligaments of the Scapula Shoulder Joint (glenohumeral – GH)Elbow Joint Radioulnar Joints Radiocarpal Joints (wrist-joint)Intercarpal Articulations Carpometacarpal & Intermetacarpal Articulations Metacarpophalangeal Articulations Interphalangeal Joints

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Lower Extremity Articulations

Hip-joint (acetabulofemoral joint - AF)Knee joint Tibiofibular Joints Ankle-joint (talocrural)Intertarsal Articulations Tarsometatarsal & Intermetatarsal Articulations Metatarsophalangeal & Interphalangeal Articulations Arches of the Foot

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Muscles of the Trunk

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Muscles of the Upper Extremity

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Muscles of the Lower Extremity

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Arteries of the Trunk

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Portal System of Veins

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Cranial Nerves

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Spinal Nerves

Introduction Posterior Divisions Anterior Divisions Thoracic Nerves Lumbosacral Plexus Sacral and Coccygeal Nerves

Sympathetic Nerves

Introduction Cephalic Portion of the Sympathetic System Cervical Portion of the Sympathetic System Thoracic Portion of the Sympathetic System Abdominal Portion of the Sympathetic System Pelvic Portion of the Sympathetic System Great Plexuses of the Sympathetic System

10. The Organs of the Senses and the Common Integument

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The Common Integument

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The Urogenital Apparatus

a. Development of the Urinary and Generative OrgansDevelopment of the Urinary and Generative Organs b. The Urinary Organs 1. The Kidneys 2. The Ureters 3. The Urinary Bladder 4. The Male Urethra 5. The Female Urethra c. The Male Genital Organs 1. The Testes and their Coverings 2. The Ductus Deferens 3. The Vesiculae Seminales 4. The Ejaculatory Ducts 5. The Penis 6. The Prostate 7. The Bulbourethral Glands d. The Female Genital OrgansThe Female Genital Organs 1. The Ovaries 2. The Uterine Tube 3. The Uterus 4. The Vagina 5. The External Organs 6. The Mammae

The Ductless Glands

a. The Thyroid Gland b. The Parathyroid Glands c. The Thymus d. The Hypophysis Cerebri e. The Pineal Body f. The Chromaphil and Cortical Systems g. The Spleen

12. Surface Anatomy and Surface Markings

Surface Image List

Surface Anatomy of the Head and Neck

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Surface Anatomy of the Back

Surface Markings of the Back

Surface Anatomy of the Thorax

Surface Markings of the Thorax

Surface Anatomy of the Abdomen

Surface Markings of the Abdomen

Surface Anatomy of the Perineum

Surface Markings of the Perineum

Surface Anatomy of the Upper Extremity

Surface Markings of the Upper Extremity

Surface Anatomy of the Lower Extremity

Surface Markings of the Lower Extremity

Muscle Tables

Muscles of facial expression Muscles of mastication Eye movement Palate Pharynx Larynx Tongue muscles Hyoid Muscles Anterior & Lateral Neck Prevertebral Posterior Neck Muscles Superficial back Deep back Shoulder muscles Arm muscles Anterior Forearm Posterior Forearm Hand muscles Thoracic wall Anterior abdominal wall Posterior abdominal wall Pelvic floor muscles Gluteal region Posterior thigh Anterior thigh Medial thigh Anterior & lateral leg Posterior leg Foot

Quizzes

1. Introduction

Anatomical Terms Body Regions Skeleton Introduction Bones Hand-Foot Landmarks Joint Classifications Actions Muscle Shapes Muscles Introduction

2. Head & Face

Bones Muscles Introduction Muscles of Eye Movement

3. Neck

Bones Ligaments Muscles Introduction Scalenes Deep anterior neck Posterior Neck

4. Torso

Trunk Bones Anterior Trunk Torso Joints Abdominal Muscles Introduction Back Muscles Introduction Back Muscles Superficial Back Muscles Deep Back Muscles Transversospinalis Vertebrae Detailed

5. Shoulder & Arm

Bones Ligaments Shoulder Muscles Arm Muscles Rotator Cuff Muscles

6. Forearm, Wrist & Hand

Bones Ligaments Anterior Muscles Introduction Posterior Muscles Introduction Thenar Muscles Central Hand Muscles Hypothenar Muscles

7. Hip, Thigh & Knee

Bones Ligaments Gluteal Muscles Intro Posterior Thigh Intro Medial Thigh Intro Anterior Thigh Intro

8. Leg, Ankle & Foot

Bones Ligaments Anterior Leg Muscles Lateral Leg Muscles Posterior leg Superficial Posterior Leg Deep Foot Muscles

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