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5 Cards in this Set
- Front
- Back
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SUPERFICIAL VEINS
EXTERNAL JUGULAR VEIN -formed where? -descends how? |
C. Superficial veins
l. External jugular vein a. Formed posterior to the angle of the mandible by the union of the posterior auricular vein and posterior division of the retromandibular vein. b. Descends posteriorly on the sternocleidomastoid adjacent to the great auricular nerve; penetrates the deep fascia posterior to the sternocleidomastoid and drains into the subclavian vein |
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SUPERFICIAL VEINS
ANTERIOR JUGULAR VEIN -formed by? -superior to the? |
2. Anterior Jugular Vein
a. Formed by the coalescence of veins under the chin; descends near the anterior cervical midline, pierces the deep fascia, and drains into the external jugular vein posterior to the sternocleidomastoid b. Superior to the jugular notch, the anterior jugular veins may communicate via a jugular venous arch. |
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DEEP FASCIA
Composed of... |
II. Deep Fascia
A Composed of five separate cylindrical connective tissue sleeves termed the investing, prevertebral, and pretracheal fasciae, and the two carotid sheaths |
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DEEP FASCIA
INVESTING FASCIA |
II. Deep Fascia
B. Investing fascia: lies deep to the superficial fascia; originates in the posterior cervical midline and, from posterior to anterior, invests the trapezius, forms the roof of the posterior triangle ofthe neck (region between the trapezius and sternocleidomastoid), invests the sternocleidomastoid and infrahyoid muscles, and then becomes continuous with the investing fascia to the opposite side in the anterior cervical midline |
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DEEP FASCIA
PREVERTEBRAL FASCIA -lies deep to... |
c. Prevertebral Fascia
1. Lies deep to the investing fascia 2. Originates in the posterior cervical midline and, from posterior to anterior, ensheaths the capitis, levator scapulae, scalenus posterior, scalenus medius, scalenus anterior, longus capitis, and longus colli, and then becomes continuous with the prevertebral fascia of the opposite side in the anterior cervical midline |
