Anatomy - An Essential Textbook, Latin Nomenclature (eBook)
636 Seiten
Georg Thieme Verlag KG
978-1-68420-514-1 (ISBN)
1Introduction to Anatomic Systems and Terminology
Anatomy of the human body can be studied by inspection of all the systems that occupy a specific region or by considering the global aspects of a particular system throughout the entire body. The first approach tends to focus on anatomic relationships while the second is better suited to studying physiologic influences. Most systems, however, are conveniently confined to one or two regions, and in this text are discussed in the units devoted to those regions. Some systems, however, (those included in this chapter) are more pervasive throughout the body, and a fundamental understanding of their basic organization is important before undertaking the study of the systems they support.
1.1Structural Design of the Human Body
The most preliminary inspection of the human body reveals that it is structurally divided into a head and neck region, a trunk, and paired upper and lower extremities (limbs). Each is further divided into smaller regions (Fig. 1.1; Table 1.1). These house the structures that make up the functional organ systems that perform the basic bodily functions (Table 1.2). Although the primary organ of a system is often confined to a single anatomic region (e.g., the brain resides in the head), systems extend beyond regional borders, both anatomically and physiologically, to integrate their influences on normal function and growth.
Table 1.1 Regional Subdivisions of the Body
Head (Caput) |
Neck (Collum) |
Trunk (Truncus) |
•Thorax (chest) •Abdomen •Pelvis |
Upper limb (Membrum superius) |
•Shoulder girdle (Cingulum membri superioris) •Free upper limb (Pars libera membri superioris) |
Lower limb (Membrum inferius) |
•Pelvic girdle (Cingulum membri inferioris) •Free lower limb (Pars libera membri inferioris) |
Table 1.2 Functional Subdivisions by Organ Systems
Locomotor system (musculoskeletal system) |
•Skeleton and skeletal connections (passive part) •Striated skeletal musculature (active part) |
Viscera |
•Cardiovascular system •Hemolymphatic system •Endocrine system •Respiratory system •Digestive system •Urinary system •Male and female reproductive system |
Nervous system |
•Central and peripheral nervous system •Sensory organs |
The skin and its appendages |
Fig. 1.1 Structural design of the human body: location of the internal organs
(From Schuenke M, Schulte E, Schumacher U. THIEME Atlas of Anatomy, Vol 1. Illustrations by Voll M and Wesker K. 3rd ed. New York: Thieme Publishers; 2020.)
Fig. 1.2 Anatomic position
Anterior view. (From Schuenke M, Schulte E, Schumacher U. THIEME Atlas of Anatomy, Vol 1. Illustrations by Voll M and Wesker K. 3rd ed. New York: Thieme Publishers; 2020.)
Table 1.3 General Terms of Location and Direction
Term | Explanation |
Upper Body (Caput, Collum, and Truncus) |
Cranialis | Pertaining to, or located toward, the head |
Caudalis | Pertaining to, or located toward, the tail |
Anterior | Pertaining to, or located toward, the front; synonym: ventralis (used for all animals) |
Posterior | Pertaining to, or located toward, the back; synonym: dorsalis (used for all animals) |
Superior | Upper or above |
Inferior | Lower or below |
Axialis | Pertaining to the axis of a structure |
Transversus | Situated at right angles to the long axis of a structure |
Longitudinalis | Parallel to the long axis of a structure |
Horizontalis | Parallel to the plane of the horizon |
Verticalis | Perpendicular to the plane of the horizon |
Medialis | Toward the median plane |
Lateralis | Away from the median plane (toward the side) |
Medianus | Situated in the median plane or midline |
Peripheralis | Situated away from the center |
Superficialis | Situated near the surface |
Profundus | Situated deep beneath the surface |
Externus | Outer or lateral |
Internus | Inner or medial |
Apicalis | Pertaining to the top or apex |
Basalis | Pertaining to the bottom or base |
Sagittalis | Situated parallel to the sutura sagittalis |
Coronalis | Situated parallel to the sutura coronalis (pertaining to the crown of the head) |
Limbs |
Proximalis | Close to, or toward, the truncus, or toward the point of origin |
Distalis | Away from the truncus (toward the end of the limb), or away from the point of origin |
Radialis | Pertaining to the radius or the lateral side of the antebrachium |
Ulnaris | Pertaining to the ulna or the medial side of the antebrachium |
Tibialis | Pertaining to the tibia or the medial side of the crus |
Fibularis | Pertaining to the fibula or the lateral side of the crus |
Palmaris (volaris) | Pertaining to the palma |
Plantaris | Pertaining to the planta |
Dorsalis | Pertaining to the dorsum manus or dorsum pedis |
1.2Terms of Location and Direction, Cardinal Planes, and Axes
—All locational and directional terms used in anatomy, and in medical practice, refer to the human body in the anatomic position, in which the body is upright, arms at the side, with the eyes, palms of the hands, and feet directed forward (Fig. 1.2, Table 1.3).
—Three perpendicular cardinal planes and three axes based on the three spatial coordinates can be drawn through the body (Fig. 1.3).
•The plana sagittalia passes through the body from front to back, dividing it into right and left sides.
•The plana coronalia passes through the body from side to side, dividing it into front (anterior) and back (posterior) parts.
•The plana transversalia (axial, horizontal, cross-sectional planes) divides the body into upper and lower parts. A particular transverse section is often given the designation of the corresponding vertebral level, such as T IV, which passes through vertebra thoracica T IV.
•The axis longitudinalis passes along the height of the body in a craniocaudal direction.
•The axis sagittalis passes from the front to the back (or the back to the front) of the body in an anteroposterior direction.
•The axis transversalis (horizontal axis) passes through the body from side to side.
Fig. 1.3 Cardinal planes and axes
Neutral position, left anterolateral view. (From Schuenke M, Schulte E, Schumacher U. THIEME Atlas of Anatomy, Vol 1. Illustrations by Voll M and Wesker K. 3rd ed. New York: Thieme Publishers; 2020.)
Fig. 1.4 Fascia
Cross section through the brachium dexter, proximal view. (From Schuenke M, Schulte...
Erscheint lt. Verlag | 9.11.2022 |
---|---|
Sprache | englisch |
Themenwelt | Medizin / Pharmazie ► Medizinische Fachgebiete ► Chirurgie |
Studium ► 1. Studienabschnitt (Vorklinik) ► Anatomie / Neuroanatomie | |
Schlagworte | Abdomen • Back • Boards • Head • Illustrated • Lower Limb • Mediastinum • neck • Pelvis • Pleural Cavity • Q&A • questions-and-answer • Self-Assessment • step 1 • trunk wall • Upper Limb • USMLE review |
ISBN-10 | 1-68420-514-X / 168420514X |
ISBN-13 | 978-1-68420-514-1 / 9781684205141 |
Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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