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Block 1 - Nerves
Nerves for Block 1
45
Anatomy
Graduate
09/07/2010

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Cards

Term
Facial N. (CN VII)
Definition
Platysma
Term
Accessory N. (CN XI)
Definition
Sternocleidomastoid, Trapezius (also gets anterior rami C3 and C4)
Term
Anterior Rami
Definition
belly of posterior Omohyoid (C1-3), Scalenes
Term
Cervical Plexus:
Definition
(from anterior primary rami of C1-C4), posterior rami
Term
C2 and C3
Definition
Great Auricular N., Lesser Occipital N., Transverse Cervical N.
Term
Great Auricular N.
Definition
posterior auricle and adjacent skin on neck and jaw
Term
Lesser Occipital N.
Definition
skin of neck, scalp posterior and superior to auricle
Term
Transverse Cervical N.
Definition
Skin on anterior and lateral neck
Term
C3 and C4:
Definition
Lateral, Intermediate, and Medial Supraclavicular NN., Phrenic N. (also gets C5)
Term
Lateral, Intermediate, and Medial Supraclavicular NN.
Definition
sensory innervation to skin over anterior shoulder and upper chest
Term
Phrenic N.
Definition
(also gets C5) Motor supply to Diaphragm
Term
Posterior Rami:
Definition
Suboccipital N. (C1), Greater Occipital N. (C2), Posterior Rami, nerves C3-C7
Term
Suboccipital N.
Definition
(C1) MM. of Suboccipital Triangle
Term
Greater Occipital N.
Definition
(C2) skin over neck and occipital bone
Term
Posterior Rami
Definition
(nerves C3-C7) intrinsic MM. of back and overlying skin
Term
Brachial Plexus: Roots
Definition
(ventral rami of C5, C6, C7, C8, T1)... Long thoracic N. (C5, C6, C7) and Dorsal Scapular N. (C5)
Term
Long Thoracic N.
Definition
(C5, C6, C7) Serratus Anterior
Term
Dorsal Scapular N.
Definition
(C5) Rhomboid Major, Rhomboid Minor, Levator Scapulae (also gets anterior rami C3 and C4)
Term
Brachial Plexus: Trunks
Definition
Upper (Suprascapular N. and N. to the Subclavius), Middle, Lower
Term
Suprascapular N.
Definition
Supraspinatus, Infraspinatus
Term
N. to Subclavius
Definition
Subclavius
Term
Brachial Plexus: Divisions
Definition
Anterior and Posterior
Term
Brachial Plexus: Cords
Definition
Lateral, Posterior, Medial
Term
Lateral
Definition
Lateral Pectoral N.
Term
Lateral Pectoral N.
Definition
Pectoralis Major
Term
Posterior
Definition
Upper Subscapular N., Thoracodorsal N., Lower Subscapular N., Radial N., Axillary N.
Term
Upper Subscapular N.
Definition
Subscapularis
Term
Thoracodorsal N.
Definition
Latissimus Dorsi
Term
Lower Subscapular N.
Definition
Subscapularis, Teres Major
Term
Radial N.
Definition
Triceps Brachii, Anconeus, Brachioradialis, Extensor Carpi Radialis Longus and Extensor Carpi Radialis Brevis
Term
Deep Branch of Radial N./Posterior Interosseus N.
Definition
Extensor Digitorum Communis, Extensor Carpi Ulnaris, Supinator, ABductor Pollicus Longus, Extensor Indicus Proprius, Extensor Pollicus Brevis and Longus
Term
Axillary N.
Definition
Teres Minor, Deltoid
Term
Medial
Definition
Medial Pectoral N., Medial Brachial Cutaneous N., Medial Anti-Brachial Cutaneous N.
Term
Medial Pectoral N.
Definition
Pectoralis Major, Pectoralis Minor
Term
Medial Brachial Cutaneous N.
Definition
Sensory
Term
Medial Anti-Brachial N.
Definition
Sensory
Term
Brachial Plexus: Branches
Definition
Musculocutaneous N., Median N., Ulnar N.
Term
Musculocutaneous N.
Definition
Coracobrachialis, Biceps Brachii, Brachialis
Term
Median N.
Definition
Pronator Teres, Flexor Carpi Radialis, Palmaris Longus, Flexor Digitorum Superficialis, Lateral half of Flexor Digitorum Profundus, Flexor Pollicus Longus, Pronator Quandratus
Term
Recurrent (motor) Branch of Median N.
Definition
ABductor Pollicus Brevis, Flexor Pollicus Brevis, Opponens Pollicus, Lumbricals 1 and 2
Term
Ulnar N.
Definition
Flexor Carpi Ulnaris, medial half of Flexor Digitorum Profundus
Term
Superficial Branch of Ulnar N.
Definition
Palmaris Brevis
Term
Deep Brach of Ulnar N.
Definition
ADductor Pollicus, ABductor Digiti Minimi, Flexor Digiti Minimi, Opponens Digiti Minimi, Lumbricals 3 and 4, Palmar Interossei and Dorsal Interossei
Term
Intercostal Nerves of Ventral Rami
Definition
Serratus Posterior and Serratus Inferior
Term
Primary Dorsal Rami
Definition
Erector Spinae (Iliocostalis, Longissimus, Spinalis), Splenius Capitis et Cervicis, Semispinalis Capitis et Cervicis, Multifidus, Rotatores, Interspinalis, Intertransversarii
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