Neck Triangles PDF

#separator:tab #html:true "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of temporal bone and superior nuchal line of occipital boneInferior Anterior: top of [...], whole length of the [...], and the [...]Inferior Posterior: between acromion an...

#separator:tab #html:true "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of temporal bone and superior nuchal line of occipital boneInferior Anterior: top of [...], whole length of the [...], and the [...]Inferior Posterior: between acromion and vertebra prominens" "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of temporal bone and superior nuchal line of occipital boneInferior Anterior: top of sternum, whole length of the clavicle, and the acromion processInferior Posterior: between acromion and vertebra prominens " "Borders of the neck:Superior Anterior: inferior margin of [...]Superior Posterior: [...] of temporal bone and [...] of occipital boneInferior Anterior: top of sternum, whole length of the clavicle, and the acromion processInferior Posterior: between acromion and vertebra prominens" "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of temporal bone and superior nuchal line of occipital boneInferior Anterior: top of sternum, whole length of the clavicle, and the acromion processInferior Posterior: between acromion and vertebra prominens " "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of [...] and superior nuchal line of [...]Inferior Anterior: top of sternum, whole length of the clavicle, and the acromion processInferior Posterior: between [...] and [...]" "Borders of the neck:Superior Anterior: inferior margin of mandibleSuperior Posterior: mastoid process of temporal bone and superior nuchal line of occipital boneInferior Anterior: top of sternum, whole length of the clavicle, and the acromion processInferior Posterior: between acromion and vertebra prominens " What are the unique features of the cervical vertebrae? Small body (except CV1, which has no body)Bifid spinous processes (again, except CV1)Transverse processes with foramenC1 (atlas) forms unique articulation wih C2 and occipital bone "Boundaries of the hyoid bone:Superior: floor of [...]Inferior: [...]Posterior: [...]" "Boundaries of the hyoid bone:Superior: floor of oral cavityInferior: larynxPosterior: pharynx Does not articulate with other bones and is very movable -> anchors muscles and soft tissue in head and neck" Define the four fascial compartments of the neck. Vertebral compartment: encloses CVs, spinal cord, cervical nerves and associated musclesVisceral compartment: wraps around thyroid and parathyroid and parts of larynx and pharynxVascular compartments (bilateral): contains blood vessels and CN X "The superficial fascia of the neck contains the thin platysma muscle, which begins at the superficial fascia of the [...] and attachs to the [...]." "The superficial fascia of the neck contains the thin platysma muscle, which begins at the superficial fascia of the thorax and attachs to the mandible. " "The superficial fascia of the neck contains the thin [...] muscle, which begins at the superficial fascia of the thorax and attachs to the mandible." "The superficial fascia of the neck contains the thin platysma muscle, which begins at the superficial fascia of the thorax and attachs to the mandible. " "The investing layer of the deep cervical fascia of the neck surrounds the [two vascular structures], all cutaneous branches of the cervical plexus, and splits to enclose the sternocleidomastoid, trapezius, and infra- and supra-hyoid muscles." "The investing layer of the deep cervical fascia of the neck surrounds the external and anterior jugular veins, all cutaneous branches of the cervical plexus, and splits to enclose the sternocleidomastoid, trapezius, and infra- and supra-hyoid muscles. " "The investing layer of the deep cervical fascia of the neck surrounds the external and anterior jugular veins, all cutaneous branches of the cervical plexus, and splits to enclose the [...], [...], and [...] and [...] muscles." "The investing layer of the deep cervical fascia of the neck surrounds the external and anterior jugular veins, all cutaneous branches of the cervical plexus, and splits to enclose the sternocleidomastoid, trapezius, and infra- and supra-hyoid muscles. " "The [...] of the deep cervical fascia of the neck surrounds the external and anterior jugular veins, all cutaneous branches of the cervical plexus, and splits to enclose the sternocleidomastoid, trapezius, and infra- and supra-hyoid muscles." "The investing layer of the deep cervical fascia of the neck surrounds the external and anterior jugular veins, all cutaneous branches of the cervical plexus, and splits to enclose the sternocleidomastoid, trapezius, and infra- and supra-hyoid muscles. " "The [...] of the deep cervical fascia of the neck surrounds the vertebral column and the deep muscles of the back. The part passing between the transverse processes splits into two layers, of which the anterior layer is called Alar fascia." "The prevertebral layer of the deep cervical fascia of the neck surrounds the vertebral column and the deep muscles of the back. The part passing between the transverse processes splits into two layers, of which the anterior layer is called Alar fascia. " "The prevertebral layer of the deep cervical fascia of the neck surrounds the vertebral column and the deep muscles of the back. The part passing between the transverse processes splits into two layers, of which the anterior layer is called [...] fascia." "The prevertebral layer of the deep cervical fascia of the neck surrounds the vertebral column and the deep muscles of the back. The part passing between the transverse processes splits into two layers, of which the anterior layer is called Alar fascia. " "The pretracheal layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the pharynx and esophagus is called [...] fascia." "The pretracheal layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the pharynx and esophagus is called buccopharyngeal fascia. " "The [...] layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the pharynx and esophagus is called buccopharyngeal fascia." "The pretracheal layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the pharynx and esophagus is called buccopharyngeal fascia. " "The pretracheal layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the [...] and [...] is called buccopharyngeal fascia." "The pretracheal layer of the deep cervical fascia of the neck encloses the neck viscera, and the posterior part that encloses the pharynx and esophagus is called buccopharyngeal fascia. " "The [...] are thick parts of the deep cervical fascia of the neck that surround the neurovascular structures bilaterally." "The carotid sheaths are thick parts of the deep cervical fascia of the neck that surround the neurovascular structures bilaterally. " Define the pre-tracheal space of the neck fascia. Between investing and pretrachial layers of deep cervical fasciaBetween neck and anterior part of superior mediastinum Define the retropharyngeal space of the neck fascia. Between buccopharyngeal fascia and prevertebral fasciaExtends from base of skull to upper posterior mediastinum Define the prevertebral space of the neck fascia. Two layers of prevertebral fascia where it passes between transverse processesExtends from base of skull through posterior mediastinum to diaphragm " [Platysma muscle] Where is the origin of ? " "[Platysma muscle] Mandible and muscles around mouth " " [Platysma muscle] What innervates ? " "[Platysma muscle] What is the action of ? " "[Platysma muscle] Tense the skin of neck + move lower lip and mouth corners down " What three structures are found in the superficial fascia of the neck? Platysma m.External jugular v.Anterior jugular v. "Boundaries of the posterior triangle of the neck:Anterior: posterior border of [...] musclePosterior: anterior border of [...] muscleInferior: middle one third of clavicleSuperficial: investing layer of deep cervical fasciaDeep: muscles of neck covered by prevertebral fascia" "Boundaries of the posterior triangle of the neck:Anterior: posterior border of SCM musclePosterior: anterior border of trapezius muscleInferior: middle one third of clavicleSuperficial: investing layer of deep cervical fasciaDeep: muscles of neck covered by prevertebral fascia " "Boundaries of the posterior triangle of the neck:Anterior: posterior border of SCM musclePosterior: anterior border of trapezius muscleInferior: middle one third of [...]Superficial: [...]Deep: muscles of neck covered by [...]" "Boundaries of the posterior triangle of the neck:Anterior: posterior border of SCM musclePosterior: anterior border of trapezius muscleInferior: middle one third of clavicleSuperficial: investing layer of deep cervical fasciaDeep: muscles of neck covered by prevertebral fascia " " [Sternocleidomastoid muscle] Where is the origin of ? " "[Sternocleidomastoid muscle] Lateral surface of mastoid process and lateral half of superior nuchal line " " [Sternocleidomastoid muscle] What innervates ? " "[Sternocleidomastoid muscle] What is the action of ? " "[Sternocleidomastoid muscle] Tilt head to ipsilateral shoulder, rotate head to turn face to opposite side; bilateral action of both SCM draws head forward " " [Trapezius m.] Where is the origin of ? " "[Trapezius m.] Lateral third of clavicle, acromion, spine of scapula " " [Trapezius m.] What innervates ? " "[Trapezius m.] What is the action of ? " "[Trapezius m.] Rotates scapula during abduction of humerus above horizontal, elevates/depresses/abducts scapula " List the cutaneous nerves of the cervical plexus found in the posterior triangle. Define which spinal roots contribute to these. Lesser occipital (C2)Great auricular (C2-C3)Transverse cervical (C2-C3)Supraclavicular (C3-C4) Which cranial nerve can be found in the posterior triangle of the neck and between what structures? CN XI found in investing layer of deep cervical fascia between SCM and trapezius muscles "Boundaries of the anterior triangle of the neck:Posterior: anterior border of [...] muscleSuperior: inferior border of [...]Medial: midline of [...]" "Boundaries of the anterior triangle of the neck:Posterior: anterior border of SCM muscleSuperior: inferior border of mandibleMedial: midline of neck " List the four subtriangles of the anterior triangle of the neck. SubmandibularSubmentalMuscularCarotid "Boundaries of the submandibular triangle:Superior: inferior border of mandibleAnterior/posterior: digastric muscleSuperficial: [...]Deep: [...] and [...] muscles." "Boundaries of the submandibular triangle:Superior: inferior border of mandibleAnterior/posterior: digastric muscleSuperficial: investing layer of deep cervical fasciaDeep: mylohyoid and hypoglossus muscles. " "Boundaries of the submandibular triangle:Superior: inferior border of [...]Anterior/posterior: [...] muscleSuperficial: investing layer of deep cervical fasciaDeep: mylohyoid and hypoglossus muscles." "Boundaries of the submandibular triangle:Superior: inferior border of mandibleAnterior/posterior: digastric muscleSuperficial: investing layer of deep cervical fasciaDeep: mylohyoid and hypoglossus muscles. " "Boundaries of the submental triangle:Inferior: [...] boneLateral: anterior [...]Medial: midline of body" "Boundaries of the submental triangle:Inferior: hyoid boneLateral: anterior digastric muscleMedial: midline of body " "Boundaries of the muscular triangle of the neck:Superior: [...] boneLateral: superior belly of [...] muscle and anterior [...] muscleMedial: midline of body" "Boundaries of the muscular triangle of the neck:Superior: hyoid boneLateral: superior belly of omohyoid muscle and anterior SCM muscleMedial: midline of body " "Boundaries of the carotid triangle of the neck:Anteroinferior: superior belly of omohyoid muscleSuperior: stylohyoid muscle and posterior [...] musclePosterior: anterior border of [...] muscle" "Boundaries of the carotid triangle of the neck:Anteroinferior: superior belly of omohyoid muscleSuperior: stylohyoid muscle and posterior digastric musclePosterior: anterior border of SCM muscle " "Boundaries of the carotid triangle of the neck:Anteroinferior: superior belly of [...] muscleSuperior: [...] muscle and posterior digastric musclePosterior: anterior border of SCM muscle" "Boundaries of the carotid triangle of the neck:Anteroinferior: superior belly of omohyoid muscleSuperior: stylohyoid muscle and posterior digastric musclePosterior: anterior border of SCM muscle " What are the contents of the muscular triangle? 4 infrahyoid muscles: omohyoid, sternohyoid, thyrohyoid, sternothyroidThyro and sternothyroid are deeper and shorter than the other two "All infrahyoid muscles, except the thyrohyoid, are innervated by the anterior rami of [...]. The thyrohyoid is innervated by the anterior ramus of [...] traveling with CN XII." "All infrahyoid muscles, except the thyrohyoid, are innervated by the anterior rami of C1-C3. The thyrohyoid is innervated by the anterior ramus of C1 traveling with CN XII. " "All infrahyoid muscles, except the [...], are innervated by the anterior rami of C1-C3. The [...] is innervated by the anterior ramus of C1 traveling with CN XII." "All infrahyoid muscles, except the thyrohyoid, are innervated by the anterior rami of C1-C3. The thyrohyoid is innervated by the anterior ramus of C1 traveling with CN XII. " List the eight branches of the external carotid artery. Some Anatomists Like F**king, Others Prefer Masturbation SessionsSuperior thyroidAscending pharyngealLingualFacialOccipitalPosterior AuricularMaxillarySuperficial temporal "The internal jugular vein starts inside the skull as a dilation of the [...] and exits the skull through the jugular foramen, running posterior then lateral to the internal carotid arteries before joining with the subclavian vein." "The internal jugular vein starts inside the skull as a dilation of the sigmoid sinus and exits the skull through the jugular foramen, running posterior then lateral to the internal carotid arteries before joining with the subclavian vein. " "The [...] vein starts inside the skull as a dilation of the sigmoid sinus and exits the skull through the jugular foramen, running posterior then lateral to the internal carotid arteries before joining with the subclavian vein." "The internal jugular vein starts inside the skull as a dilation of the sigmoid sinus and exits the skull through the jugular foramen, running posterior then lateral to the internal carotid arteries before joining with the subclavian vein. " What nine neural structures are found in the anterior triangle of the neck? CN XIINerve to thyrohyoid muscleAnsa cervicalisCarotid sinus and bodyCN X and its branchesCN VIICN IXTransverse cervical nerve