Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
79 Cards in this Set
- Front
- Back
|
Frontalis muscle
|
– Covers the frontal bone
– Origin: Cranial aponeurosis – Insertion: Skin of eyebrows and bridge of nose – Action: Raises eyebrows, wrinkle forehand – Innervation Facial nerve |
|
|
– Covers the frontal bone
– Origin: Cranial aponeurosis – Insertion: Skin of eyebrows and bridge of nose – Action: Raises eyebrows, wrinkle forehand – Innervation Facial nerve |
Frontalis muscle
|
|
|
Occipitalis muscle (epicranial in book
|
– Covers the posterior aspect of the skull
– Origin: Superior nuchal line – Insertion: Cranial aponeurosis – Action: Pulls the scalp posteriorly – Innervation: Facial nerve |
|
|
– Covers the posterior aspect of the skull
– Origin: Superior nuchal line – Insertion: Cranial aponeurosis – Action: Pulls the scalp posteriorly – Innervation: Facial nerve |
Occipitalis muscle (epicranial in book
|
|
|
Orbicularis Oculi
|
• Has fibers that run in circles around the eye
• Origin: Frontal bone and maxilla, medial margin of orbit • Insertion: Tissue around the eyes • Action: Blinks and closes the eyes • Innervation: Facial nerve |
|
|
• Has fibers that run in circles around the eye
• Origin: Frontal bone and maxilla, medial margin of orbit • Insertion: Tissue around the eyes • Action: Blinks and closes the eyes • Innervation: Facial nerve |
Orbicularis Oculi
|
|
|
Orbicularis Oris
|
• Circular muscle of the lips
• Origin: Mandible and maxilla • Insertion: Skin and muscle around the mouth • Action: Closes and protrudes lips • Innervation: Facial nerve |
|
|
• Circular muscle of the lips
• Origin: Mandible and maxilla • Insertion: Skin and muscle around the mouth • Action: Closes and protrudes lips • Innervation: Facial nerve |
Orbicularis Oris
|
|
|
Buccintor
|
• Runs horizontally across the cheek
• Origin: Maxilla and mandible near molars • Insertion: Orbicularis oris • Action : – Compresses the cheek as in whistling and sucking – Holds food between teeth during chewing • Innervation: Facial nerve |
|
|
• Runs horizontally across the cheek
• Origin: Maxilla and mandible near molars • Insertion: Orbicularis oris • Action : – Compresses the cheek as in whistling and sucking – Holds food between teeth during chewing • Innervation: Facial nerve |
Buccintor
|
|
|
Levator Labii Superioris
|
• Origin: Inferior margin of orbit, superior to the infraorbital foramen
• Insertion: Skin of lower lip • Action: Elevate upper lip • Innervation: Facial nerve |
|
|
• Origin: Inferior margin of orbit, superior to the infraorbital foramen
• Insertion: Skin of lower lip • Action: Elevate upper lip • Innervation: Facial nerve |
Levator Labii Superioris
|
|
|
Depressor Labii Inferioris
|
• Origin: Mandible, between the anterior midline and the mental foramen
• Insertion: Skin of lower lip • Action: Depresses lower lip • Innervation: Facial nerve |
|
|
• Origin: Mandible, between the anterior midline and the mental foramen
• Insertion: Skin of lower lip • Action: Depresses lower lip • Innervation: Facial nerve |
Depressor Labii Inferioris
|
|
|
Lavator anguli oris
|
• Origin: maxilla below the infraorbital foramen
• Insertion: corneer of mouth • Action: raises corner of mouth • Innervation: Facial nerve |
|
|
• Origin: maxilla below the infraorbital foramen
• Insertion: corneer of mouth • Action: raises corner of mouth • Innervation: Facial nerve |
Lavator anguli oris
|
|
|
Depressor Anguli Oris
|
• Origin: Anterolateral surface of mandibular body
• Insertion: Skin at angle of mouth • Action: Draws corner of mouth to the side • Innervation: Facial nerve |
|
|
• Origin: Anterolateral surface of mandibular body
• Insertion: Skin at angle of mouth • Action: Draws corner of mouth to the side • Innervation: Facial nerve |
Depressor Anguli Oris
|
|
|
Zygomatic Major
|
• Origin: Zygomatic bone
• Insertion: skin and muscle at the corner of lips • Action: raises corner of mouth • Innervation: Facial nerve |
|
|
• Origin: Zygomatic bone
• Insertion: skin and muscle at the corner of lips • Action: raises corner of mouth • Innervation: Facial nerve |
Zygomatic Major
|
|
|
Zygomatic Minor
|
• Origin: Zygomatic bone
• Insertion: Upper lip • Action: Elevates upper lip • Innervation: Facial nerve |
|
|
• Origin: Zygomatic bone
• Insertion: Upper lip • Action: Elevates upper lip • Innervation: Facial nerve |
Zygomatic Minor
|
|
|
Mentalis
|
• Origin: Incisive fossa of mandible
• Insertion: Skin of chin • Action: Elevates and protrudes the lower lip • Innervation: Facial nerve |
|
|
• Origin: Incisive fossa of mandible
• Insertion: Skin of chin • Action: Elevates and protrudes the lower lip • Innervation: Facial nerve |
Mentalis
|
|
|
Risorius
|
• Origin: Fascia surrounding parotid salivary gland
• Insertion: Angle of mouth • Action: Draws corner of mouth to the side • Innervation – Facial nerve |
|
|
• Origin: Fascia surrounding parotid salivary gland
• Insertion: Angle of mouth • Action: Draws corner of mouth to the side • Innervation – Facial nerve |
Risorius
|
|
|
Corrugator Supercilii
|
• Origin: Orbital rim of frontal bone near nasal suture
• Insertion: Eyebrow • Action: Pulls skin inferiorly and anteriorly, wrinkles brow • Innervation: Facial nerve |
|
|
• Origin: Orbital rim of frontal bone near nasal suture
• Insertion: Eyebrow • Action: Pulls skin inferiorly and anteriorly, wrinkles brow • Innervation: Facial nerve |
Corrugator Supercilii
|
|
|
Procerus
|
• Origin: nasal bone and lateral nasal cartilage
• Insertion: Aponeurosis at bridge of nose and skin • Action: moves nose, changes shape and position of nostrils • Innervation: Facial nerve |
|
|
• Origin: nasal bone and lateral nasal cartilage
• Insertion: Aponeurosis at bridge of nose and skin • Action: moves nose, changes shape and position of nostrils • Innervation: Facial nerve |
Procerus
|
|
|
Nasalis
|
• Origin: maxilla and alar cartilage of nose
• Insertion: bridge of nose • Action: compresses bridge depresses tip of nose elevates corners of nostrils • Innervation: Facial nerve |
|
|
• Origin: maxilla and alar cartilage of nose
• Insertion: bridge of nose • Action: compresses bridge depresses tip of nose elevates corners of nostrils • Innervation: Facial nerve |
Nasalis
|
|
|
Masseter
|
• Covers the angle of the lower jaw
• Origin: Zygomatic arch • Insertion: Lateral surface of mandibular ramus • Action: Closes Jaw • Innervation: Trigeminal nerve ; mandibular branch |
|
|
• Covers the angle of the lower jaw
• Origin: Zygomatic arch • Insertion: Lateral surface of mandibular ramus • Action: Closes Jaw • Innervation: Trigeminal nerve ; mandibular branch |
Masseter
|
|
|
Temporoparietalis
|
• Origin: fascia around external ear
• Insertion: epicranial aponeurosis • Action: tenses scalp, moves auricle of ear • Innervation: Facial nerve |
|
|
• Origin: fascia around external ear
• Insertion: epicranial aponeurosis • Action: tenses scalp, moves auricle of ear • Innervation: Facial nerve |
Temporoparietalis
|
|
|
Temporalis
|
• Fan shaped muscle overlying the temporal bone
• Origin: Temporal bone • Insertion: Mandible, coronoid process • Action: Closes jaw (synergist to master) • Innervation: Trigeminal, mandibular branch |
|
|
• Fan shaped muscle overlying the temporal bone
• Origin: Temporal bone • Insertion: Mandible, coronoid process • Action: Closes jaw (synergist to master) • Innervation: Trigeminal, mandibular branch |
Temporalis
|
|
|
Pterygoid (medial and lateral)
|
• Origin: Lateral pterrygoid plate
• Insertion: Medial surface of mandibular ramus • Action: – Medial: Elevate the mandible and closes the jaw, perform medial excursion – Lateral: Open jaws, protrude mandible, perform lateral excursion • Innervation: Trigeminal |
|
|
• Origin: Lateral pterrygoid plate
• Insertion: Medial surface of mandibular ramus • Action: – Medial: Elevate the mandible and closes the jaw, perform medial excursion – Lateral: Open jaws, protrude mandible, perform lateral excursion • Innervation: Trigeminal |
Pterygoid (medial and lateral)
|
|
|
Platysma
|
• Single sheet like muscle covers the anterolateral neck
• Origin: Connective tissue covering of the superior chest muscles • Insertion: Mandible and skin of cheek • Action: Tenses skin of neck; depresses mandible • Innervation: Facial nerve |
|
|
• Single sheet like muscle covers the anterolateral neck
• Origin: Connective tissue covering of the superior chest muscles • Insertion: Mandible and skin of cheek • Action: Tenses skin of neck; depresses mandible • Innervation: Facial nerve |
Platysma
|
|
|
Digastric anterior and posterior belly
|
• Origin:
o Anterior belly: inferior surface of mandible at chin o Posterior belly: mastoid of temporal bone • Insertion: hyoid bone • Action: depresses mandible, elvate larynx • Innervation: o Anterior belly: mandibular branch of trigeminal nerve o Posterior belly: facial nerve |
|
|
• Origin:
o Anterior belly: inferior surface of mandible at chin o Posterior belly: mastoid of temporal bone • Insertion: hyoid bone • Action: depresses mandible, elvate larynx • Innervation: o Anterior belly: mandibular branch of trigeminal nerve o Posterior belly: facial nerve |
Digastric anterior and posterior belly
|
|
|
Geniohyoid
|
• Origin: mandible at chin
• Insertion: hyoid bone • Action: depresses mandible, elevate larynx, pulls hyoid bone anteriorly • Innervation: cervical nerve C1 via hypoglossal nerve |
|
|
• Origin: mandible at chin
• Insertion: hyoid bone • Action: depresses mandible, elevate larynx, pulls hyoid bone anteriorly • Innervation: cervical nerve C1 via hypoglossal nerve |
Geniohyoid
|
|
|
Mylohyoid
|
• Origin: mylohyoid line of mandible
• Insertion: hyoid bone • Action: elevate floor of mouth and hyoid bone, depresses mandible • Innervation: mandibular branch of trigeminal nerve |
|
|
• Origin: mylohyoid line of mandible
• Insertion: hyoid bone • Action: elevate floor of mouth and hyoid bone, depresses mandible • Innervation: mandibular branch of trigeminal nerve |
Mylohyoid
|
|
|
Omohyoid
|
• Origin: superior border of scapula near scapular notch
• Insertion: hyoid bone • Action: depresses bone and larynx • Innervation: cervical nerves C2-C3 |
|
|
• Origin: superior border of scapula near scapular notch
• Insertion: hyoid bone • Action: depresses bone and larynx • Innervation: cervical nerves C2-C3 |
Omohyoid
|
|
|
Levator scapuli (not on obj)
|
Not on obj
|
|
|
Not on obj
|
Levator scapuli (not on obj)
|
|
|
Trapezius (not on obj)
|
Not on obj
|
|
|
Not on obj
|
Trapezius (not on obj)
|
|
|
Spinalis capitis (not on obj)
|
Not on obj
|
|
|
Not on obj
|
Spinalis capitis (not on obj)
|
|
|
Spinalis cervici (not on obj)
|
Not on obj
|
|
|
Not on obj
|
Spinalis cervici (not on obj)
|
|
|
Sternohyoid
|
• Origin: Clavicle and manubrium
• Insertion: Hyoid bone • Action: Depresses hyoid bone and larynx • Innervation: Cervical spinal nerves C1-C3 |
|
|
• Origin: Clavicle and manubrium
• Insertion: Hyoid bone • Action: Depresses hyoid bone and larynx • Innervation: Cervical spinal nerves C1-C3 |
Sternohyoid
|
|
|
Sternothyroid
|
• Origin: dorsal surface of manubrium and first costal cartilage
• Insertion: hyoid bone • Action: depresses hyoid bone and larynx • Innervation: Cervical spinal nerves C1-C3 |
|
|
• Origin: dorsal surface of manubrium and first costal cartilage
• Insertion: hyoid bone • Action: depresses hyoid bone and larynx • Innervation: Cervical spinal nerves C1-C3 |
Sternothyroid
|
|
|
Stylohyoid
|
• Origin: styloid process of temporal bone
• Insertion: hyoid bone • Action: elevate larynx • Innervation: facial nerve |
|
|
• Origin: styloid process of temporal bone
• Insertion: hyoid bone • Action: elevate larynx • Innervation: facial nerve |
Stylohyoid
|
|
|
Thyrohyoid
|
• Origin: thyroid cartilage of larynx
• Insertion: hyoid bone • Action: elevate thyroid, depresses hyoid bone • Innervation: C1-C3 via hypoglossal nerve |
|
|
• Origin: thyroid cartilage of larynx
• Insertion: hyoid bone • Action: elevate thyroid, depresses hyoid bone • Innervation: C1-C3 via hypoglossal nerve |
Thyrohyoid
|
|
|
Sternocleidomastoid
|
• Origin: sternum and clavicle
• Insertion: temporal bone; mastoid process • Action: flexes neck, Rotate head • Innervation: – Accessory nerve – Cervical spinal nerve C2-C3 |
|
|
• Origin: sternum and clavicle
• Insertion: temporal bone; mastoid process • Action: flexes neck, Rotate head • Innervation: – Accessory nerve – Cervical spinal nerve C2-C3 |
Sternocleidomastoid
|
|
|
Scalene
|
• Origin: Transverse and costal processes of cervical vertebrae
• Insertion: superior surfaces of ribs 1 and 2 • Action: Flex and rotate neck, elevate ribs • Innervation: cervical spinal nerves |
|
|
• Origin: Transverse and costal processes of cervical vertebrae
• Insertion: superior surfaces of ribs 1 and 2 • Action: Flex and rotate neck, elevate ribs • Innervation: cervical spinal nerves |
Scalene
|
|
|
Sutures
|
• Immovable, classified as synarthrosis
• fibrous joint composed of thin layer of dense fibrous connective tissue • unite only the skull bones • Irregular interlocking edges of sutures give them strength and decrease their chance to fracture • Complete fusion of bones across the suture line result in synostosis (e.g metopic suture of the frontal bone). |
|
|
TMJ
|
• Mandibular condyle of mandible and mandibular fossa of temporal bone
• Synovial joint |
|
|
• Mandibular condyle of mandible and mandibular fossa of temporal bone
• Synovial joint |
TMJ
|
|
|
Atlanto-occipital joint
|
• Superior articular facets, on the surface of the superior lateral mass, articulate with the occipital condyle
|
|
|
• Superior articular facets, on the surface of the superior lateral mass, articulate with the occipital condyle
|
Atlanto-occipital joint
|
|
|
Atlanto-axial joint
|
• the articulation between the anterior arch of the atlas and the dens of the axis, and between their articular facets
|
|
|
• the articulation between the anterior arch of the atlas and the dens of the axis, and between their articular facets
|
Atlanto-axial joint
|
|
|
Intervertebral discs
|
• Between adjacent vertebrae
• From the second cervical vertebra to the sacrum • Consist of – Annulus fibrosus: • outer fibrous ring . – Nucleus pulposus: • • inner soft, pulpy, elastic substance |
|
|
• Between adjacent vertebrae
• From the second cervical vertebra to the sacrum • Consist of – Annulus fibrosus: • outer fibrous ring . – Nucleus pulposus: • • inner soft, pulpy, elastic substance |
Intervertebral discs
|
