Body Regions, Nerve and Spinal Cord Terms to Know BI 231 Alverno College 2008

Line drawings from The Sourcebook of Medical Illustration (The Parthenon Publishing Group, P. Cull, ed., 1989). Retrieved April 5, 2008 from Jensen, M., 2007. Webanatomy Image Bank at http://msjensen.cehd.umn.edu/webanatomy.

Color image from Sheffield, S., 2008. GetBodySmart.com. You can find the labeled version and access many other useful tutorials at http://www.getbodysmart.com/ap/nervoussystem/motor/pathways/stretch.htm

Neurons Neuron Cell Body Dendrites Axon Synapse Supporting cells Schwann Cells Myelin Nodes of Ranvier Neuroglia	General Nervous System Nerve Ganglion Neurotransmitters Central nervous system Peripheral nervous system Cervical plexus Phrenic nerve Brachial Plexus Radial Nerve Ulnar Nerve Median Nerve Lumbar Plexus Femoral Nerve Sacral Plexus Sciatic Nerve
Spinal Cord White Matter Grey Matter (dorsal & ventral horns) Dorsal Nerve Root Dorsal Root Ganglion Ventral Nerve Root Sympathetic chain ganglia Sympathetic chain	Reflex arc Receptor Afferent neuron (sensory neuron) Association neuron (interneuron) Efferent neuron (alpha motor neuron(s) - may be excitatory or inhibitory) Effector

Descriptive terms Anterior Posterior Inferior Superior Proximal Distal Medial Lateral	Torso Regions Cervical Midclavicular Axillary Midsternal Thoracic Midaxillary Abdominal Anterior axillary Hypogastric Vertebral Epigastric Scapular Umbilical Abdominal quadrants Lumbar Iliac Pubic Pelvic Gluteal Buttocks
Arm Regions Scapular Axillary Brachial Cubital Antecubital fossa	Leg Regions Pubic Iliac Femoral Popliteal Calf Dorsum of foot
Body Cavities Cranial Pleural Spinal Pericardial Thoracic Peritoneal Abdominopelvic	Sublingual

Vocabulary Activity TO TURN IN: use the word roots below to define the following

Mid- =  in the middle of Antero- = anterior to Postero-=  posterior to Retro- = posterior to Dorsi- = in a dorsal direction Ventri- = in a ventral direction

-medial = toward the midline -lateral = toward the side -superior = above -inferior = below Dorsum – dorsal surface of Peri- = around

Dorsum of the foot = _____________________________________________________ Anterolateral = ______________________________________________________ Midoccipital = __________________________________________________ _________________________________________ = in the middle of the carpal bones Midtarsal = ______________________________________________________ ______________________________________ = in the middle of the scapula Retromandibular = _________________________________________ Behind the pharynx = _______________________________________ Perioral = ________________________________________________ __________________________________________ = around the eye __________________________________________ = around the orbit __________________________________________ = around a nerve ___________________________________________ = around the heart Perigastric = __________________________________________________ Peridental = ____________________________________________________ Moving from back to front = _________________________________________ Moving from front to back = _________________________________________ Posteroinferior = _________________________________________________ At the back of the parietal bone = ___________________________________ Toward the back and toward the midline of the body = ______________________ Toward the back and toward the side of the body = __________________________ Retropericardial = _____________________________________________

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