Lecture Anatomy Dr Rosimo
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| Contents of neck viscera | Thyroid and parathyroid, larynx and trachea, pharynx and esophagus
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| Other term for larynx | Hypopharynx
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| Right and left lobes of thyroid gland are connected by | Isthmus
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| Thyroid gland is found on the lamina of thyroid cartilage up to level of what | 4th-5th
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| Blood supply of the thyroid gland | Superior thyroid artery, inferior thyroid artery, and thyroidea ima artery
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| Superior thyroid artery is a branch is | External carotid artery
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| Inferior thyroid artery is a branch of | Thyrocervical trunk
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| Thyroidea ima artery is a branch of | Brachiocephalic artery
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| Venous drainage of thyroid gland | Superior and middle thyroid vein, inferior thyroid vein
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| Superior thyroid vein is a branch of | Internal jugular vein
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| Middle jugular vein is a branch of | Internal jugular vein
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| Inferior thyroid vein is a branch of | Left brachiocephalic vein
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| Lymphatic drainage of the thyroid gland | Deep cervical lymph nodes and paratracheal nodes
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| Caramel colored ovoid bodies measuring about 6mm | Parathyroid glands
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| Parathyroid glands are composed of | 2 superior and 2 inferior
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| What parathyroid glands are most constant in location | 2 superior
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| What parathyroid glands are variable in location | 2 inferior
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| Blood supply of parathyroid gland | Superior and inferior thyroid artery
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| Pharynx is composed mainly of a ring of lymphoid tissues called | Waldeyer's tonsillar ring
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| It originated at the endodermal outgrowth from the midline at floor of pharynx | Thyroid gland
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| It extends above the hyoid bone up the lower border of the cricoid cartilage | Larynx
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| Larynx narrows inferiorly as it continuous with | Esophagus and trachea
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| Epiglottis is what kind of cartilage | Elastic cartilage
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| Upper fibroelastic membrane of larynx | Quadrangular membrane
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| Cricothyroid ligament is continuous with the | Vocal ligament
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| Upper part of larynx | Vestibule
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| Cavities of the larynx which extends from the level of vestibular folds to level of the vocal folds | Middle part
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| Cavities of the larynx which extends from level of vocal folds to lower border of cricoid cartilage | Lower part
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| Extrinsic muscle of larynx are subdivided into | Elevators and depressors
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| Elevators extrinsic muscles are further subdivided into | Minor and major
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| Major elevators extrinsic muscles of larynx | Digastric, mylohyoid, stylohyoid, geniohyoid
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| Minor elevators extrinsic muscles of larynx | Stylopharyngeus, styloglossus, palatopharyngeus
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| Depressors extrinsic muscles are further subdivided into | Sternothyroid, omohyoid, and sternohyoid
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| Intrinsic muscle of larynx are subdivided into | Muscles that control the laryngeal inlet and vocal folds
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| Muscles controlling the laryngeal inlet | Oblique arytenoid
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| Muscles controlling the movement of the vocal folds | Cricothyroid and thyroarytenoid
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| Muscle that tenses the vocal fold | Cricothyroid
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| Muscle that relaxes the vocal fold | Thyroarytenoid
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| Lateral cricoarytenoid is responsible for | Adduction
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| Posterior cricoarytenoid is responsible for | Abduction
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| Cricothyroid muscle is innervated by | External laryngeal branch of superior laryngeal branch of vagus nerve
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| Motor nerve innervation to muscles of larynx | Recurrent laryngeal nerve
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| Sensory nerve innervation to muscles of larynx | Internal laryngeal branch of superior laryngeal branch of vagus nerve
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| Upper half blood supply of larynx | superior laryngeal br. of the superior thyroid artery
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| Lower half blood supply of larynx | inferior laryngeal br. of the inferior thyroid artery
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| Lymphatic drainage of larynx | deep cervical group of nodes
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| Mobile cartilaginous & membranous tube | Trachea
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| Trachea egins in the cricoid cartilage extends downward in the midline and ends in the thorax by dividing into 2 main bronchi at the level of what vertebra | 4th-5th thoracic vertebra
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| Blood supply in the neck of trachea | Inferior thyroid artery
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| Lymphatic drainage of trachea | pretracheal & paratracheal lymph nodes
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| Nerve supply of trachea | Vagus nerve (recurrent laryngeal nerve)
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| Muscular tube about 10 inches long | Esophagus
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| Esophagus begins at the cricoid level of ---- and ends at vertebral level --- | C6 and ends at T10
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| Blood supply of esophagus | Inferior thyroid arteries and veins
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| Lymphatic drainage of esophagus | deep cervical lymph nodes
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| Nerve supply of esophagus | Recurrent laryngeal nerve and sympathetic trunk
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