Frontalis muscle

frontalisFrontal bellyfrontalis muscles
The frontalis muscle is muscle which covers parts of forehead of the skull.wikipedia
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Occipitofrontalis muscle

occipitofrontalisEpicranius
However, Terminologia Anatomica currently classifies it as part of the occipitofrontalis muscle along with the occipitalis muscle.
It consists of two parts or bellies: The occipital belly, near the occipital bone, and the frontal belly, near the frontal bone.

Occipitalis muscle

occipitalisoccipital belly
However, Terminologia Anatomica currently classifies it as part of the occipitofrontalis muscle along with the occipitalis muscle.
However, Terminologia Anatomica currently classifies it as part of the occipitofrontalis muscle along with the frontalis muscle.

Corrugator supercilii muscle

corrugator superciliicorrugatorcorrugator muscle
Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.
It is located at the medial end of the eyebrow, beneath the frontalis and just above orbicularis oculi muscle.

Procerus muscle

procerusdepressor glabellaePyramidalis nasi
Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.
It is inserted into the skin over the lower part of the forehead between the two eyebrows on either side of the midline, its fibers merging with those of the frontalis.

Orbicularis oculi muscle

orbicularis oculiorbicularisorbicularis muscle
Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.
The orbital portion is thicker and of a reddish color; its fibers form a complete ellipse without interruption at the lateral palpebral commissure; the upper fibers of this portion blend with the frontalis and corrugator.

Epicranial aponeurosis

galea aponeuroticagalea aponeurosisgalea '''A'''poneurotica
From these attachments the fibers are directed upward, and join the galea aponeurotica below the coronal suture. The medial margins of the frontalis muscles are joined together for some distance above the root of the nose; but between the occipitales there is a considerable, though variable, interval, occupied by the galea aponeurotica.
In humans, it is attached in the interval between its union with the occipitofrontalis muscle, to the external occipital protuberance and highest nuchal lines of the occipital bone; in front, it forms a short and narrow prolongation between its union with the frontalis muscle or frontal part of the occipitofrontalis muscle.

Temporal branches of the facial nerve

Temporal branchTemporaltemporal branch of the facial nerve
The more anterior branches supply the frontalis, the orbicularis oculi, and corrugator supercilii, and join the supraorbital and lacrimal branches of the ophthalmic.

Skeletal muscle

skeletal musclesskeletalmuscle
The frontalis muscle is muscle which covers parts of forehead of the skull.

Forehead

hairlinesinciputbrow
The frontalis muscle is muscle which covers parts of forehead of the skull.

Skull

craniumcranialhuman skull
The frontalis muscle is muscle which covers parts of forehead of the skull.

Terminologia Anatomica

TAanatomicalInternational standard on human anatomic terminology
However, Terminologia Anatomica currently classifies it as part of the occipitofrontalis muscle along with the occipitalis muscle.

Facial nerve

facialcranial nerve VIIVII
The frontalis muscle is supplied by the facial nerve and receives blood from the supraorbital and supratrochlear arteries.

Supraorbital artery

supraorbitalsupra-orbitalSupra-orbital artery
The frontalis muscle is supplied by the facial nerve and receives blood from the supraorbital and supratrochlear arteries.

Supratrochlear artery

supratrochlearFrontal arteryArteria supratrochlearis
The frontalis muscle is supplied by the facial nerve and receives blood from the supraorbital and supratrochlear arteries.

Fascia

superficial fasciafascialfasciae
The frontalis muscle is thin, of a quadrilateral form, and intimately adherent to the superficial fascia.

Zygomatic process

Zygomatic process of maxillaZygomatic process of temporal boneZygomatic process of frontal bone
Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.

Frontal bone

frontalfrontalsfrontal bones
Its medial fibers are continuous with those of the procerus; its intermediate fibers blend with the corrugator and orbicularis oculi muscles, thus attached to the skin of the eyebrows; and its lateral fibers are also blended with the latter muscle over the zygomatic process of the frontal bone.

Coronal suture

coronalcoronal sutures
From these attachments the fibers are directed upward, and join the galea aponeurotica below the coronal suture.

Human nose

nosenasalala of the nose
The medial margins of the frontalis muscles are joined together for some distance above the root of the nose; but between the occipitales there is a considerable, though variable, interval, occupied by the galea aponeurotica.

Head and neck anatomy

head and neckneck or templeVeins of the head and neck

Anatomical terminology

flexorlateralmedial
Examples of structures named according to this include the frontalis muscle, submental lymph nodes, buccal membrane and orbicularis oculi muscle.

Apraxia of lid opening

During attempted lid opening, there may be forceful frontalis muscle contraction, backward thrusting of the head, or opening of the mouth noted.