pediagenosis: AnatomyPhysiology
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Showing posts with label AnatomyPhysiology. Show all posts
Showing posts with label AnatomyPhysiology. Show all posts

Wednesday, June 16, 2021

Maxillary Artery Anatomy

Maxillary Artery Anatomy

Maxillary Artery Anatomy

Maxillary Artery Anatomy


1. Sphenopalatine artery

2. Posterior superior alveolar artery

3. Descending palatine artery in pterygopalatine fossa

4. Inferior alveolar artery

5. Middle meningeal artery

6. Deep temporal arteries and nerves

Subclavian Artery Anatomy

Subclavian Artery Anatomy

Subclavian Artery Anatomy

Subclavian Artery Anatomy


1. Vertebral artery

2. Costocervical trunk

3. Supreme intercostal artery

4. Internal thoracic artery

5. Suprascapular artery

6. Thyrocervical trunk

7. Common carotid artery

8. Transverse cervical artery

9. Inferior thyroid artery

Tuesday, June 15, 2021

Autonomic Nerves in Head Anatomy

Autonomic Nerves in Head Anatomy

Autonomic Nerves in Head Anatomy

Autonomic Nerves in Head Anatomy


1. Nerve (vidian) of pterygoid canal

2. Deep petrosal nerve

3. Greater petrosal nerve

4. Otic ganglion

5. Chorda tympani nerve

6. Superior cervical sympathetic ganglion

7. Submandibular ganglion

8. Pterygopalatine ganglion

9. Ciliary ganglion

Vestibulocochlear Nerve: Schema Anatomy

Vestibulocochlear Nerve: Schema Anatomy

Vestibulocochlear Nerve: Schema Anatomy

Vestibulocochlear Nerve: Schema Anatomy


1. Geniculum of facial nerve (site of geniculate ganglion)

2. Greater petrosal nerve

3. Cochlear (spiral) ganglion

4. Vestibulocochlear nerve (CN VIII)

5. Chorda tympani nerve

6. Facial canal and nerve

7. Vestibular ganglion

Pterygopalatine Fossa Anatomy

Pterygopalatine Fossa Anatomy

Pterygopalatine Fossa Anatomy

Pterygopalatine Fossa Anatomy


1. Nasopalatine nerve (septal branch)

2. Pterygoid canal (behind ganglionic branches connecting maxillary nerve [CN V2] and pterygopalatine ganglion)

3. Maxillary nerve (CN V2)

4. Pterygopalatine ganglion

5. Infra-orbital nerve

6. Posterior superior alveolar nerve

Nerves of Nasal Cavity Anatomy

Nerves of Nasal Cavity Anatomy

Nerves of Nasal Cavity Anatomy

Nerves of Nasal Cavity Anatomy


1. Olfactory bulb

2. Lateral internal nasal branch of anterior ethmoidal nerve (CN V1)

3. Palatine nerves (CN V2) (Greater palatine nerve; Lesser palatine nerve)

4. Nasopalatine nerve (CN V2)

5. Nerve (vidian) of pterygoid canal

6. Deep petrosal nerve

7. Greater petrosal nerve

8. Pterygopalatine ganglion

Monday, June 14, 2021

Mandibular Nerve (CN V3) Anatomy

Mandibular Nerve (CN V3) Anatomy

Mandibular Nerve (CN V3) Anatomy

Mandibular Nerve (CN V3) Anatomy


1. Auriculotemporal nerve

2. Chorda tympani nerve

3. Lingual nerve

4. Inferior alveolar nerve (cut)

5. Nerve to mylohyoid

6. Mental nerve

7. Submandibular ganglion

8. Buccal nerve and buccinator muscle (cut)

9. Mandibular nerve (V3) (anterior division and posterior division)

Nerves of Orbit Anatomy

Nerves of Orbit Anatomy

Nerves of Orbit Anatomy

Nerves of Orbit Anatomy


1. Trochlear nerve (IV)

2. Ophthalmic nerve (V1)

3. Optic nerve (II)

4. Oculomotor nerve (III)

5. Abducent nerve (VI)

6. Trigeminal (semilunar) ganglion

7. Frontal nerve

8. Lacrimal nerve

9. Supra-orbital nerve

Facial Nerve Branches Anatomy

Facial Nerve Branches Anatomy

Facial Nerve Branches Anatomy

Facial Nerve Branches Anatomy


1.       Main trunk of facial nerve emerging from stylomastoid foramen

2.      Cervical branch

3.      Marginal mandibular branch

4.     Buccal branches

5.     Zygomatic branches

6.      Temporal branches

Prevertebral Muscles Anatomy

Prevertebral Muscles Anatomy

Prevertebral Muscles Anatomy

Prevertebral Muscles Anatomy


1. Longus capitis muscle

2. Longus colli muscle

Origin: The longus capitis arises from the anterior tubercles of the C3-6 vertebral transverse processes. The longus colli arises from the bodies of the T1-3 vertebrae, the bodies of the C4-7 vertebrae, and transverse processes of the C3-6 vertebrae.

Tuesday, June 8, 2021

Muscles of Larynx Anatomy

Muscles of Larynx Anatomy

Muscles of Larynx Anatomy

Muscles of Larynx Anatomy


1. Oblique arytenoid muscles

2. Transverse arytenoid muscles

Origin: Arise from the arytenoid cartilages.

Insertion: Attach to the opposite arytenoid cartilage.

Action: Close the inlet of the larynx by adducting the arytenoid cartilages. This narrows the rima glottidis, the space between the vocal folds.

Suprahyoid Muscles Anatomy

Suprahyoid Muscles Anatomy

Suprahyoid Muscles Anatomy

Stylohyoid muscle


1. Stylohyoid muscle

Origin: Arises from the styloid process of the temporal bone.

Insertion: Attaches to the body of the hyoid bone.

Action: Elevates and retracts the hyoid bone in an action that elongates the floor of the mouth.

Innervation: Facial nerve.

Intrinsic Muscles of Larynx Anatomy

Intrinsic Muscles of Larynx Anatomy

Intrinsic Muscles of Larynx Anatomy

Intrinsic Muscles of Larynx Anatomy


1. Cricothyroid muscle

Origin: Arises from the anterolateral part of the cricoid cartilage.

Insertion: Inserts into the inferior aspect and inferior horn of the thyroid cartilage.

Action: Stretches and tenses the vocal folds.

Innervation: External branch of the superior laryngeal nerve of the vagus.

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