submandibular region (anatomy of the neck)
Post on 14-Apr-2017
1.120 Views
Preview:
TRANSCRIPT
SUBMANDIBULAR REGION
(Page 70)Dr.Sherif Fahmy
Sterno-mastoid m.
Superior belly of omohyoid m.
Digastric m. Lower
border of body of mandible
Midline of neck
Muscles of Submandibular (Suprahyoid) Region
1- Digastric muscle.2- Stylohyoid muscle.3- Myelohyoid muscle.4- Hyoglossus muscle.5- Geniohyoid muscle.6- Genioglossus muscle.
Superficial part of submandibular gland
Anterior belly of digastric m.
Dr. Sherif Fahmy
Posterior belly of digastric m.
Anterior belly of digastric m.
Myelohyoid nerveSubmental
artery
Myelohyoid m.
Dr. Sherif Fahmy
Posterior belly of digastric m.
Stylohyoid m.
Hyoglossus m.
Dr.Sherif Fahmy
Myelohyoid m.
Lingual n.Submandibular ganglion
Deep part of submandibular gland Hypoglossal
nerve
Posterior belly of digastric m.
Submandibular duct
Dr. Sherif FahmyMyelohyoid n
Submental vs
Anterior belly of digastric m
Hyoglossus m.
Geniohyoid m.
Hyoglossus m.
Genio-glossus m.
Stylo-glossus m.
Lingual nerve
Hypoglossal nerve
Deep part of submandibular gland
Submandibular duct
Myelohyoid m. (cut)
Dr. Sherif Fahmy
Styloid process
Stylohyoid ligamnent
Glossopharyngeal n.
Middle constrictor m.
First part of lingual artery
3rd part of lingual artery
Geniohyoid m.
Genioglossus m.
Sublingual gl.
Dr. Sherif Fahmy
Digastric Muscle(Page 70)
Dr.Sherif Fahmy
Mastoid process
Styloid process
Posterior belly of digastric m.
Stylohyoid m.
Anterior belly of digastric m.Hyoid bone
Fibrous loop
Digastric fossa
Mandible
Intermediet tendon
Relations of Digastric Muscle
Dr.Sherif Fahmy
A- Anterior Belly
Dr.Sherif Fahmy
Superficial part of submandibular gland
Anterior belly of digastric m.
Superficial Relations of Anterior belly Digastric muscle
Dr. Sherif Fahmy
Dr.Sherif Fahmy
Anterior belly of digastric m.
Myelohyoid nerveSubmental
artery
Myelohyoid m.
Deep Relations of Anterior belly Digastric Muscle
Dr. Sherif FahmyDr.Sherif Fahmy
B- Posterior Belly
Dr.Sherif Fahmy
Superficial part of submandibular gland
Posterior belly of digastric m.
Parotid gland
Superficial Relations of Posterior Belly Digastric muscle
Mastoid process
Angle of mandible
Dr. Sherif Fahmy
Dr.Sherif Fahmy
Posterior belly of digastric m.
Internal carotid art.
External carotid art.
Facial art.
Occipital art.
I.J.V.
Hypoglossal n.Vagus n.
Spinal accessory n.
Deep relations of posterior belly of digastric m.
Dr. Sherif Fahmy
Dr.Sherif Fahmy
Relations to Borders of Posterior Belly of
Digastric m.
Dr.Sherif Fahmy
Stylohyoid m
Dr. Sherif FahmyDr.Sherif Fahmy
Posterior belly of digastric m.
Posterior auricular art.
Occipital art.
Dr.Sherif Fahmy
Myelohyoid Muscle (Diaphragma Oris)
(Page 74)
Dr.Sherif Fahmy
Myelohyoid muscle
Myelohyoid line
Median raphe
Body of hyoid bone
Dr. Sherif Fahmy
Relations of Myelohyoid M.
Dr.Sherif Fahmy
Anterior belly of digastric m.
Myelohyoid m.
myelohyoidnerve
Submental artery
Beginning of anterior jugular vein
Superficial Submental lymph nodes
Dr. Sherif FahmyDr.Sherif Fahmy
Superficial part of submandibular gland
Dr. Sherif Fahmy
Geniohyoid m.
Hyoglossus m.
Genio-glossus m.
Stylo-glossus m.
Lingual nerve
Hypoglossal nerve
Deep part of submandibular gland
Submandibular duct
Myelohyoid m. (cut)Deep
Dr. Sherif Fahmy
Submental Triangle(Page 40)
Dr.Sherif Fahmy
Anterior belly of digastric m.
Myelohyoid m.
Submental artery
Beginning of anterior jugular vein
Body of hyoid bone
Submental lymph nodes
Dr. Sherif Fahmy
Hyoglossus Muscle(Page 78)
Dr.Sherif Fahmy
Greater horn of hyoid m.
tongue
Hyoglossus m.
Dr. Sherif Fahmy
Relations of Hyoglossus M.
Dr.Sherif Fahmy
Myelohyoid m.Lingual n.Submandibular
ganglion
Deep part of submandibular gland Hypoglossal
nerve
Posterior belly of digastric m.
Superficial Relations of Hyoglossus Muscle
Submandibular duct
Dr. Sherif Fahmy
Styloid process
Styloglossus m.
Lingual nerve
Submandibular ganglion
Deep part of submandibular gland
Hypoglossal n.
Dr. Sherif Fahmy
Styloid process
Stylohyoid ligamnent
Glossopharyngeal n.
Middle constrictor m.
First part of lingual artery
3rd part of lingual artery
Geniohyoid m.
Genioglossus m.
Deep, anterior and posterior relations
Sublingual gl.
Dr. Sherif Fahmy
Stylohyoid Muscle(Page 76)
Dr.Sherif Fahmy
Dr. Sherif Fahmy
Geniohyoid Muscle(Page 70)
Dr.Sherif Fahmy
Geniohyoid m.
Genial tubercles
Body of hyoid bone
Dr. Sherif Fahmy
Genioglossus Muscle(Page 78)
Dr.Sherif Fahmy
Hypoglossal nerve
Genioglossus m.
Dr. Sherif Fahmy
Submandibular Salivary Gland
Page 82Dr.Sherif Fahmy
Parts, site and extensions• Parts: superficial & deep to myelohyoid
muscle.• Site: Upper part is deep to mandible
(submandibular fossa) while the lower part in digastric triangle.
• Extensions:Anterior: mental foramen.Posterior: Angle of mandible.Superior: myelohyoid line.Inferior: intermediate tendon of digastric muscle.
Dr.Sherif Fahmy
Superficial part of submandibular gland
Posterior belly of digastric m.
Anterior belly of digastric m.
Parotid gland
Dr. Sherif Fahmy
Relations of the superficial part
Dr.Sherif Fahmy
Lateral surface
Inferolateral surface
Medial pterygoid m.
Facial artery
Facial veinCervical branch of facial nerve
Submandibular lymph nodes
Body of mandible
Lateral & inferolateral relations
Dr. Sherif Fahmy
Myelohyoid m.Lingual n.Submandibular ganglion
Deep part of submandibular gland
Hypoglossal n.
Posterior belly of digastric m. Dr. Sherif Fahmy
Relations of deep part and course of
the duct
Dr.Sherif Fahmy
Hyoglossus m.
Myelohyoid m.
Lingual n.
Hypoglossal n.
Submandibular duct
Deep part of submandibular gland
Styloglossus m.
Sublingual gland
Dr. Sherif Fahmy
Frenulum of tongue Sublingual fold
Opening of submandibular duct
Dr.Sherif Fahmy
Nerve supply:1- Sensory2- Sympathetic.3- Parasympathetic.Blood supply.By facial vessels.
Dr.Sherif Fahmy
Myelohyoid m.
Lingual n.
Submandibular ganglion
Dr. Sherif Fahmy
Applied Anatomy
• Formation of a stone in its duct is common because its secretion is muco-serous and more viscid.
• In this case the gland swell during chewing.
Dr.Sherif Fahmy
DIGASTRIC TRIANGLE (Page 36)
Dr.Sherif Fahmy
Boundaries
Dr.Sherif Fahmy
Digastric m. Lower
border of body of mandible
Dr. Sherif Fahmy
Posterior belly of digastric m.
Stylohyoid m.
Anterior belly of digastric m.
Mandible
Dr. Sherif Fahmy
Floor of Digastric Triangle
Dr.Sherif Fahmy
Myelohyoid m.
Hyoglossus m.
Dr. Sherif Fahmy
ContentsDr.Sherif Fahmy
Lateral surface
Inferolateral surface
Medial pterygoid m.
Facial artery
Facial veinCervical branch of facial nerve
Submandibular lymph nodes
Body of mandible
Lateral & inferolateral relations
Dr. Sherif Fahmy
Myelohyoid m.Lingual n.Submandibular ganglion
Deep part of submandibular gland
Hypoglossal n.
Posterior belly of digastric m.
Dr. Sherif Fahmy
Sublingual Salivary Gland
Dr.Sherif Fahmy
Sublingual salivary gland
Submandibular salivary gland
Parotid gland
Dr.Sherif Fahmy
Myelohyoid m.
Lingual n.
Submandibular duct
Deep part of submandibular gland
Sublingual gland
Dr. Sherif Fahmy
Dr. Sherif Fahmy
Submandibular Ganglion(Page 88)
Dr.Sherif Fahmy
Dr.Sherif Fahmy
top related