How Do They Clean Out The Carotid Artery?
External carotid artery and its branches
The external carotid avenue is one of the 2 main divisions of the common carotid artery, which stems from the aortic curvation on the left side and from the brachiocephalic torso on the right side. The external carotid avenue climbs the lateral sides of the neck inside the carotid sheath, which is found just behind the sternocleidomastoid muscle.
The carotid bifurcation occurs at the level of the thyroid cartilage in the larynx. The external carotid artery is the but partitioning of the common carotid that gives branches to the neck region and supplies the external structures of the caput and face.
This article will talk over the form and the anatomy of the external carotid artery.
| Source | Common carotid artery (at the level of the thyroid cartillage in the larynx) |
| Branches | Superior thyroid artery Ascending pharyngeal avenue Lingual artery Facial artery Occipital avenue Posterior auricular artery Maxillary artery Superficial temporal avenue Mnemonic: Some Anatomists 50ike Freaking Out Poor Medical Students |
| Supplies | (Due south): Thyroid gland, infrahyoid muscles, sternocleidomastoid muscle (A): Throat, prevertebral muscles, eye ear, cranial meninges (L): Intrinsic muscles of the tongue, flooring of the mouth (F): Tonsils, palate, submandibular glands (O): Posterior region of the scalp (P): Parotid gland, facial nervus, ear, scalp (Thou): External acoustic meatus, tympanic membrane, dura mater, calvaria, mandible, gingivae, teeth; temporal, pterygoid, masseter, buccinator muscles (S): Temporal region of the scalp |
| Clinical relations | Carotid artery affliction, atherosclerosis |
Contents
- Borders and relations
- Branches
- Superior thyroid avenue
- Ascending pharyngeal artery
- Lingual avenue
- Facial artery
- Occipital artery
- Posterior auricular artery
- Maxillary artery
- Superficial temporal artery
- Mnemonics
- Carotid avenue disease
- Sources
+ Prove all
Borders and relations
Medially the hyoid bone, the wall of the throat, the superior laryngeal nerve and the parotid gland surround the artery. Laterally, the internal carotid artery passes by in the initial stage of the external carotid avenue, along with the superior laryngeal nervus posteroinferiorly.
Posterosuperiorly yet, the internal and external branches of the carotid are separated by the: styloglossus musculus, the stylopharyngeus musculus, the glossopharyngeal nerve (CN 9), the pharyngeal co-operative of the vagus nerve (CN 10), part of the parotid gland.
Anteriorly, the artery is covered by the skin, the superficial fascia, the platysma, the deep cervical fascia and the sternocleidomastoid musculus.
The nerves, vasculature and musculature that cross over the external carotid artery during its journey include the: hypoglossal nerve (CN XII), lingual nerve, ranine vein, the common facial nerve, superior thyroid veins, digastric muscle, the stylohyoid musculus, the parotid gland, the deep facial nerve, the temporal vein, internal maxillary veins.
| Medially | Hyoid os Wall of the throat Superior laryngeal nerve Parotid gland |
| Laterally | Internal carotid artery, superior laryngeal nervus |
| Posterosuperiorly | Muscles: styloglossus, stylopharyngeus Fretfulness: glossopharyngeal nervus, pharyngeal co-operative of the vagus nerve Parotid gland |
| Anteriorly | Pare, superificial fascia, platysma, deep cervical fascia, sternocleidomastoid muscle |
| Structures that cross over the artery | Fretfulness: hypoglossal nerve, lingual ranine, common facial Veins: ranine, superior thyroid veins Muscles: digastric muscle, stylohyoid muscle |
Branches
The external carotid avenue has eight branches: the Superior thyroid,Ascending pharyngeal, Fiftyingual, Facial, Occipital, Posterior auricular, Maxillary and Southwarduperficial temporal arteries. You lot can easily recall them with the mnemonic Due southome Anatomists Like Freaking Out Poor Medical Southtudents'.
Superior thyroid artery
The superior thyroid artery (S) is the origin of the superior laryngeal artery that supplies the larynx. The main artery also supplies the thyroid gland, infrahyoid muscles and the sternocleidomastoid musculus. Yous can remember this by using the mnemonic "I Shall Squeeze Charlie'southward Glutes", which stands for the branches of the superior thyroid artery;Infrahyoid, Southuperior laryngeal, Southternocleidomastoid, Cricothyroid andYardlandular.
Ascending pharyngeal artery
The ascending pharyngeal artery (A) ascends superiorly along the pharynx, while branching off to the pharynx, prevertebral muscles, the center ear and the cranial meninges.
Lingual artery
The lingual artery (50) is covered by the hypoglossal nervus (CN XII), the stylohyoid muscle and the posterior belly of the digastric musculus. It runs below the hyoglossus muscles and branches into the deep lingual and sublingual arteries which supply the intrinsic muscles of the tongue and the floor of the mouth.
Learn everything about the tongue blood supply.
Facial artery
The facial artery (F) runs around the middle of the mandible before it enters the face, where information technology gives branches to the tonsils, palate and the submandibular glands.
Occipital artery
The occipital artery (O) supplies the posterior region of the scalp and grooves the base of the skull as information technology travels. Initially it passes deep to the posterior belly of the digastric muscle.
Posterior auricular artery
The posterior auricular artery (P) runs behind the external audio-visual meatus and the mastoid procedure, separating the two structures. It supplies the adjacent musculature, the parotid gland, the facial nerve (CN VII), the ear and the scalp.
Maxillary avenue
The maxillary avenue (M) is the larger of the 2 terminal branches which can precede one another depending on which anatomist yous ask.
Its branches supply:
- the external acoustic meatus
- the tympanic membrane
- the dura mater
- the calvaria
- the mandible
- the gingivae
- the teeth
- the temporal muscle
- the pterygoid muscle
- the masseter muscle
- the buccinator muscle
Why not test yourself on the muscles innervated by the branches of the maxillary artery with flashcards?
Superficial temporal artery
The superficial temporal artery (S) supplies merely the temporal region of the scalp, as it is the smaller terminal branch and does not take additional named branches or divisions.
Mnemonics
If one looks back to the department of this commodity termed 'Branches', each major avenue has been assigned a alphabetic character, which corresponds to the first letter of a word in each mnemonic. The order of arteries listed corresponds to the club they branch off from the external carotid artery every bit it ascends and follows the order of the words in each mnemonic. There are three different mnemonics, of which only one is needed in order to recall the branches.
- Southwardome American Ladies Found Our Pyramids Most Satisfactory
- Southome Anatomists Like Freaking Out Poor Medical Students
- Southome Anatomists Like Formaldehyde, Others Prefer Salt & Metals
Carotid avenue illness
Carotid artery affliction is a disorder of the common carotid artery or either of its principal divisions. Information technology occurs when plaque like growths start to class in these major arteries and limit the amount of blood that flows to the head and neck region. This disquiet can become extremely serious, considering information technology can cause ischemia to vital organs such as the encephalon and information technology as well increases the risk of clot formation.
The best way to treat and also avert the buildup of arterial plaque is to minimize the risk of it forming in the first place by eating a healthy and well counterbalanced nutrition, engaging in regular physical activity and avoiding situations where chronic stress is a major factor.
External carotid artery and its branches: want to learn more about it?
Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you acme results faster.
What do you prefer to learn with?
"I would honestly say that Kenhub cut my study fourth dimension in half." – Read more.
Kim Bengochea, Regis Academy, Denver
Source: https://www.kenhub.com/en/library/anatomy/the-external-carotid-artery-and-its-branches
Posted by: guerradetuabove.blogspot.com
0 Response to "How Do They Clean Out The Carotid Artery?"
Post a Comment