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THE LANGUAGE OF ANATOMY

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Presentation on theme: "THE LANGUAGE OF ANATOMY"— Presentation transcript:

1 THE LANGUAGE OF ANATOMY
1. Visible describe or demonstrate anatomical position 2. Use proper anatomical terminology to describe body directions, surfaces, and body planes. 3. Locate the major body cavities, list the chief organs in each cavity

2 ANATOMICAL POSITION An initial reference point The body is erect
Feet parallel Arms hanging at sides Palms facing forward Uncomfortable

3 Directional Terms Allow medical personnel and anatomist to explain exactly where one body structure is in relation to another. Describe the location of the ears in relation to the nose The ears are to the right and left of the nose The ears are lateral to the nose

4 Directional Terms Superior/ Inferior Term Definition Example
Superior (cranial or cephalad) Toward the head end or upper part of the body; above The forehead is superior to the nose Inferior (caudal) Away from the head end or toward the lower part of a structure of the body: below The naval is inferior to the breastbone

5 Directional Terms Ventral (anterior)/ Dorsal (posterior) Term
Definition Example Ventral (anterior) Toward or at the front of the body; in front of The breastbone (sternum) is anterior to the spine Dorsal (posterior) Toward or at the backside of the body; behind The heart is posterior to the breast bone

6 Directional Terms Medial/ Lateral Term Definition Example Medial
Toward or at the midline of the body; on the inner side of The heart is medial to the arm Lateral Away from the midline of the body; on the outer side of The arms are lateral to the chest Intermediate Between a more medial and a more lateral structure The collarbone is intermediate between the breastbone and the shoulder

7 Directional Terms Proximal/ Distal Term Definition Example Proximal
Close to the origin of the body part or the point of attachment of a limb to the body trunk The elbow is proximal to the wrist (meaning that the elbow is closer to the shoulder or attachment point of the arm than the wrist) Distal Farther from the origin of a body part or the point of attachment of a limb to the body trunk The knee is distal to the thigh

8 Superficial (external)/
Directional Terms Superficial (external)/ Deep (internal) Term Definition Example Superficial (external) Toward or at the body surface The skin is superficial to the skeleton Deep (internal) Away from the body surface; more internal The lungs are deep to the rib cage

9 Anterior Body Landmarks
REGIONAL TERMS Femoral: thigh Fibular: lateral part of the leg Frontal: forehead Inguinal: area where thigh meets body trunk; groin Mental: chin Nasal: nose area Oral: mouth Orbital: eye area Patellar: anterior knee Pelvic: area overlying the pelvis anteriorly Pubic: genital region Sternal: breast bone area Tarsal: ankle region Thoracic: chest Umbilical: naval Anterior Body Landmarks Abdominal/ Umbilical: anterior body trunk inferior to the ribs Acromial: point of the shoulder Antebrachial: forearm Antecubital: anterior surface Axillary: armpit Brachial: arm (upper) Buccal: cheek Carpal: wrist Cervical: neck region Coxal: hip Crural: leg Deltoid: curve of the shoulder formed by the deltoid muscle Digital: fingers, toes

10 Posterior Body Landmarks
REGIONAL TERMS Posterior Body Landmarks Calcaneal: heel of foot Cephalic: head Femoral: thigh Gluteal: buttock Lumbar: area of back between the ribs and hips; the loin Occipital: Posterior surface of the head or base of the skull Olecranal: posterior surface of the elbow Plantar: sole of the foot Popliteal: posterior knee area Sacral: area between the hips Scapular: shoulder blade region Sural: the posterior surface of the leg: the calf Vertebral: area of spinal column

11 REGIONAL TERMS

12 BODY PLANES AND SECTIONS
A plane is an imaginary line on the body. Sections Sagittal – a cut a long the lengthwise or longitudinal, dividing the body into right and left parts (parasagittal) Median, or Midsagittal – a cut down the median of the body that spits the body into equal right and left halves Frontal/ Coronal – a cut along a lengthwise plane that divides the body or organ into anterior or posterior parts Transverse / Cross– a cut along a horizontal plane, dividing the body into superior and inferior parts

13 BODY CAVITIES Dorsal Ventral Has 2 subdivisions Has 2 subdivisions
Cranial cavity - brain Spinal cavity - spine Has 2 subdivisions Separated by the diphragm Thoracic cavity lungs & heart protected by the rib cage Lungs are separated by the mediastinum Heart , trachea, visceral organs Abdominopelvic cavity Abdominal cavity Stomach Liver Intestines Pelvic cavity Reproductive organs Bladder Rectum

14 ABDOMINOPOELVIC CAVITY
QUADRANTS The abdominopelvic cavity is divided into 4 quadrants RUQ – right upper quadrant RLQ – right lower quadrant LUQ – left upper quadrant LLQ – left lower quadrant

15 9 ABDOMINOPELVIC REGIONS
UMBILICAL Centermost region, deep to and surrounding the umbilicus (navel) EPIGASTRIC Superior to the umbilical region HYPOGASTRIC (PUBIC) Inferior to the umbilical region RT. & LT. ILIAC or INGUINAL Lateral to the hypogastric region RT. & LT. LUMBER Lateral to the umbilical region RT. & LT. HYPOCHONDRIAC Flank the epigastric region and contain the lower ribs Right hypochondriac Region Right hypochondriac Region Epigastric Region Left lumbar Region Right lumbar Region Umbilical Region Right Iliac (inguinal) Region Left Iliac (inguinal) Region Hypogastric Region

16 9 ABDOMINOPELVIC REGIONS

17 Other Body Cavities Oral & Digestive cavities Nasal Cavity
Mouth Digestive Organs Continuous tube from mouth to anus Nasal Cavity Within and posterior to the nose Orbital Cavity Orbits in the skull that houses the eyes and presents them in an anterior position Middle Ear Cavity Contain tiny bones that transmit sound vibrations to hearing receptors in the middle ear.

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