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DH head & neck nerve

nerves, muscles, veins and arteries

this muscle is attached to the frontalis and to the auricular muscles of the ear. located on the side of the scalp.... The temporomarietalis muscle,
Name 3 external muscles of the ear Auricularis anterior, superior & posterior
My origin is the Zygoma & Maxilla just above the infraorbital foramen. My insertion is the upper lip & I can elevate the upper lip. What muscle am I, and Where am I? Levator Labil Superioris on the upper lip
The scalp is composed of a thick covering of skin and its attending fibroadipose hypodermis overlying the ? the epicraniusor occipitofrontalis muscle with its intervening galea aponeurotica, a thick, fibrous aponeurotic connecting sheet.
The frontalis muscle originates from certain muscles of the face, whereas the occipitalis muscle originates from? from bones at the base of the calvaria. These two muscles are connected to each other by the intervening tendinous glea aponeurotica.
The epicranius muscleis composed of two bellies, that are called? the frontalis and the occipitalis
The frontalisis the larger and somewhat fleshier muscle and is NOT attached to bone. Its fibers originate from? the superficial muscles of the orbit and nose.... (corrugator, procerus, and orbicularis oculi) and insert into the galea aponeurotica somewhat anterior to the coronal suture.
The occipitalis originates from ? ony landmarks—the mastoid process of the temporal bone and the lateral portion of the superior nuchal line of the occipital bone—to insert into the posterior aspect of the galea aponeurotica.
Blood supply to the scalp arises from two major sources: branches of the external carotid artery and branches from the internal carotid arteries.
Arterial supply to the scalp consists of branches from the? external and internal carotid arteries
Branches of the external carotid include? the occipitalartery, supplying the medial aspect of the back of thescalp; the posterior auricular artery, supplying thearea behind and above the ear; and the superficial temporal artery, which vascularizes the lateral aspect of the scalp.
Two branches of the internal carotid artery responsible for vascularization of the anterosuperior aspect of the scalp are the ? supraorbital and supratrochlear arteries.Both arteries leave the orbit and ascend over the forehead, supplying it and the top of the scalp.
Muscles of the face and scalp develop from the? the second pharyngeal arch and, consequently, receive their motor innervation from the facial nerve (CN VII), the nerve of the second pharyngeal arch.
The three external muscles of the ear are ? the auricularis anterior,superior, and posterior.
three muscles of the nose are? The procerus,nasalis,and depressor septi.
The three muscles concerned with the orifice of the eye are ? the orbicularis oculi,corrugator, and levatorpalpebrae superioris. The last of this group is consid-ered in the Chapter 10, Eye and Ear.
The orbicularis oculi muscle is composed of two parts that are ,,, the palpebral portion and the orbital portion.
The former originates from the medial palpebral ligament (attached to the medial aspect of the orbit) and inserts into ? the lateral palpebral raphe (attached to the lateral aspect of the orbit). The orbital portion ofthe muscle describes an oval around the orbit.
The orbicularis oculi is innervated by the temporal and zygomatic branches of the facial nerve and its function is to? close the eyelid completely.
The corrugator (supercilii) muscle is located ? deep to the superomedial aspect of the orbicularis oculi, at the medial aspect of the eyebrow. It originates at the me-dial extent of the superciliary arch and inserts into the skin of the eyebrow.
a small, horizontally placed muscle that originates in the masseteric fascia and inserts in the skin of the corner of the mouth. This is the smiling muscle; The risorius
The risorius is innervated by? buccal and mandibular branches of the facial nerve.
name the Depressors of the Lip depressor labii inferioris,depressor anguli oris (triangularis),mentalis,platysma and i dont know the 5 hahahahaha
I am quadrangular in shape.I originate on the medial extent of the oblique line of the mandible and inserts into the skin of the lower lip.I acts to depress the lower lip. The depressor labii inferiorisi
I originate on the oblique line of the mandible and inserts into the skin of the corner of the mouth and depresses it,expressing sadness. The depressor anguli oris (triangularis)
a small muscle of the chin. Its origin is in the incisive fossa of the mandible, and it inserts into the skin of the chin to wrinkle it and also to protrude the lower lip, as in drinking. The mentalis
except the _______,are innervated by the buccal and mandibular branches of the facial nerve. The platysma also was previously detailed in Chapter 7.
The levator labii superioris originates from ? the maxilla and zygoma just inferior to the orbit. Its fibers pass across the infraorbital foramen to insert into the upper lip, lateral to and intermingling with the fibers of the levator labii superior is alaque nasi.
a slender muscle arising from the maxillary process of the zygomatic bone, inserts just lateral to the insertion of the levator labii superioris muscle. This muscle elevates the upper lip. It also assists in the formation of the nasolabial furrow. The zygomaticus minor,
a quadrangule-shaped muscle occupying the space between the mandible and the maxilla, is the primary muscular component of the cheek. It lies deep to the muscles of facial expression The buccinator,
The buccinator originates on the ? maxilla andmandible, specifically on the buccal surfaces of the alveolar processes in the vicinity of the three molars,and from the pterygomandibular raphe,
The lacrimal nerve leaves the superolateral aspect ofthe orbit as the palpebral branch and enters the upper eyelid to distribute to the lateral half of that structure and the conjunctiva of the eye. The frontal nerve bifurcates in the orbit to form the? supraorbital and supratrochlear nerves
The infraorbital nerve is a continuation of the? maxillary division of the trigeminal nerve.
the infraorbital nerve enters the face via the infraorbital foramen, where it forms a tuft of nerves that may be categorized into three groups: inferior palpebral branches, serving the skin of the lower eyelid and conjunctiva; external nasal branches, and superior labial branches, supplying the upper lip and mucosa of the superior labial vestibule
The zygomatic branch of the maxillary division of the trigeminal nerve bifurcates to form the ? zygomaticotemporal and zygomaticofacial nerves.
The face is a very vascular region because it receivesits blood supply from? the external carotid artery andits major branches. Additional blood is received frombranches of the internal carotid artery.
The facial artery is a branch of the ? external carotidartery; its cervical branches were described earlier in the book and i dont fell like typing them hahaha
Superior and inferior labial arteriesarise near the ? corner of the mouth
Created by: deziraykgonzalez



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