Posterior border posterior border of sternocleidomastoid
Anterior triangle of neck subdivisions
1\2 muscular triangle
Carotid triangle
1\2 submental trianglle
Diagstric triangle
Submental triangles
Anterior bellies of left and right diagstric muscles
Roof body hyoid bone
Roof skin,superficial fascia
Floor skin superficial fascia skin
Submental triangle content
Submandibular salivary gland
Submandibular lymph node
Submental mylohoid and facial vessels
Hypoglossal and mylohoid nerves
Anterior juglar vein
Submental lymph node
Carotid triangle
Sternecleidomastoid
Superior belly of omohoid
Posterior belly of diagstric
Floor is formed by thyrohoid and midle and inferior constrictor muscle of pharynx
Anterior bellies of right and left muscles
Base body of hyoid bone
Carotid triangle
3 carotid and 5 branches of external carotid artery
Facial vein
Lingual vein
Superior thyroid vein
Lymph node
Hypoglossal nerve
Superior root of ansa cervicalis
Vagus external nerve
Submental vessel
Facial vessel
Submandibular lymph nodes
Submental lymph node
Anterior juglar vein
Content of muscle
Infrahyoid muscle
Lymph node
Facial vein
Lingual vein
Submandibular salivary gland
Submental vessel
Infrahoyoid muscle superficial stratum
Sternohoyoid
Omohoyoid
Strenothyroid
Thyrohyoid
Nerve supply of sternohyoid
Ansaa cervicalis
Transverse cervical
Suprscapular
Clavicular
Sternohyoid
Depress hyoid bone
Lower hyoid bone
Orgin of omohyoid
Inferior belly from upper boarder of scapula
Superior belly arises from intermidiate tendon
None of these
Insertion of omohoyoid
Inferior belly into intermidiate tendon
Superior belly unto intermidiate tendon
Orgin of manubrium and first rib
Sternothyroid
Thyrohoid
Insertion of thyrohoid
Oblique line of cartilage
Body and greater bone of hyoid bone
Thyrohoid
Depress hyoid bone and lower the thyroid cartilage
Depress hoyoid bone and raise thyroid cartilage
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