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Head/Neck Blood Vessels

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What is the general term for the large network of blood vessels
Plexus
What is the term for the connecting channels between the blood vessels
Anastomosis
What type of vessel arises from the heart and carries blood away from it
Artery
What is the artery branching system
Artery-arteriole-capillary
What type of vessel carries blood to the heart
Vein
What is the veins branching system
Vein-venule
What portion of the vascular system is a blood-filled space between 2 layer of tissue
Venous sinuses
What major artery arises from the common carotid and subclavian on the left side of the body
Aorta
What is the direct branch from the aorta (on the right side of the body), which then branches into the common carotid and subclavian
Brachiocephalic artery
What artery arises directly from the aorta on the left side of body, and travels up the neck, lateral to the trachea and larynx
Common carotid artery
Which artery arises directly from the aorta on the left side of the body and has the upper arm as it main destination
Subclavian artery
What are the 2 major arteries that supply the head and neck
Common carotid and subclavian arteries
What is the most reliable pulse during emergency treatment
Carotid pulse
What artery supplies intracranial structures and is also the source of the ophthalmic artery
Internal carotid artery
What does the ophthalmic artery supply
Eye, orbit, and lacrimal gland
Which artery supplies extracranial tissues of the head/neck including oral cavity
External carotid artery
What are the major branches of the external carotid artery
Anterior, medial, posterior, and terminal
Which artery directly supplies tissues to the hypoid bone, infrahyoid muscles, SCM, muscles of larynx and thyroid gland
Superior thyroid artery-anterior branch of external carotid
Which artery directly supplies mylohyoid muscles, sublingual salivary gland, mucous membranes of the floor of mouth, and suprahyoid muscles
Sublingual a.
Which artery directly supplies the soft palate, palatine muscles, and palatine tonsils
Ascending palatine
What specific artery can be a source of serious hemorrhage if it is injured during a tonsillectomy
Ascending palatine
Which artery directly supplies the submandibular lymph nodes, submandibular salivary gland, and mylohyoid and digastric muscles
Submental
Which artery supplies the lower lip tissues and facial expression muscles
Inferior labial a.
Which artery supplies the upper lip tissues and facial expression muscles
Superior labial a.
Which artery supplies tissues along side of nose (is also termination of the facial artery)
Angular a.
Which artery directly supplies pharyngeal walls, soft palate, and meninges of the brain
Pharyngeal a.
Which artery directly supplies suprahyoid muscles, SCM, and scalp and meningeal tissues in the occipital region
Occipital a
Which artery directly supplies the internal ear and mastoid air cells
Posterior auricular by the stylomastoid a.
Which artery arises w/in the parotid salivary gland and can be visible in patients under the skin of their face (on lateral portion of forehead area)
Superficial temporal a.
Which artery directly supplies the parotid salivary gland and nearby tissues
Transverse facial a. branch of superficial temporal a
Which artery directly supplies the temporalis muscle
Middle temporal a. - branch of superior temporal a.
Which artery directly supplies portions of the scalp in the frontal and parietal regions
Superficial temporal artery by way of frontal and parietal branches
Which artery directly supplies the meninges of the brain located on the inferior surface of the skill as well as the skull bones
Middle meningeal a - branch of maxillary a.
What artery directly supplies tissues of the chin
Mental a.
What artery does the mental a. communicate with (anastomose)
Inferior labial a.
Which artery directly supplies the floor of mouth and mylohyoid muscle
Mylohyoid artery
Which artery directly supplies pulp tissue, gingival, and periodontium of mandibular anterior teeth
Incisive a.
Which artery directly supplies the anterior and posterior portions of the temporalis muscle
Deep temporal arteries
Which artery directly supplies the masseter muscle
Masseteric a.
Which artery directly supplies the lateral and medial pterygoid muscle
Pterygoid a.
Which artery directly supplies the buccinator muscle and soft tissues of cheek
Buccal a.
Which artery directly supplies the pulp tissue, periodontium, and gingival of posterior max. teeth and max. sinus
Dental branches of posterior superior alveolar a.
Which artery directly supplies the pulp tissue, periodontium, and gingival of anterior max. teeth
Dental branches of anterior superior alveolar
Which artery directly supplies both hard and soft palate
Greater and lesser palatine a.
Which artery directly supplies the nasal cavity
Sphenopalatine artery
Which vein begins at the medial corner of the eye and drains in the internal jugular vein
Facial vein
Which vein directly drains the tissues of the orbit
Ophthalmic v
Which vein directly drains the upper lip
Superior labial v.
Which vein directly drains the lower lip?
Inferior labial v.
Which vein directly drains the tissues of the chin and submandibular region
Submental v.
Which vein directly drains the dorsal and ventral side of the tongue and floor of the mouth
Lingual veins
How is the retromandibular v. created
Merge of superficial temporal v. and maxillary v.
What does the superficial temporal v and maxillary v form
External jugular vein
Which vein directly drains the lateral scalp
Posterior auricular v and superficial temporal v.
What is the location of the pterygoid plexus of veins
Around pterygoid muscles and surrounding the maxillary artery on each side of face in infratemporal fossa
With what veins does the pterygoid plexus of veins anastomose
Facial and retromandibular veins
What is the function of the pterygoid plexus of veins drain
Maxillary v.
Which veins drain blood from the deep portions of the face
Pterygoid plexus
Which vein drains blood from the meninges of the brain
Middle meningeal v.
Which vein drains the pulp tissues of the maxillary teeth and the periodontium of the max. teeth including the gingival
Posterior superior alveolar v.
Which vein drains the pulp tissues of the mand. teeth including the gingival
Dental branches of inferior alveolar v.
Where are the venous sinus' located
Each side of body by sphenoid bone
With what does the cavernous venous sinus communicate
A cavernous sinus on opposite side, pterygoid plexus, and superior ophthalmic
What major vein drains most of the head and neck tissues
External jugular vein
Which vein begins inferior to the chin and drains into the external jugular v.
Anterior jugular v.
Which vein is formed when the internal jugular v. merges with the subclavian v
brachiocephalic v.
What do the brachiocephalic veins unite to form
Superior vena cava
Which complications can come about as a result of blood vessel lesions
Stroke, heart attack, tissue destruction (gangrene)
What is a clot that forms on the inner vessel wall
Thrombus
What term is used when a clot dislodges from the inner vessel wall and travels as foreign material in the blood
Embolus
What is the term to describe when a large amount of blood escapes the tissue without clotting
Hemorrhage
What is the term used to describe when a blood vessel is injured, a small amount of the blood escapes in the surrounding tissues, and a clot forms
Hematoma
What are the clinical signs of a hematoma
Swelling, discoloration
During what dental injections is the risk of hematoma higher
Posterior Superior alveolar block near pterygoid plexus
What major artery supplies the head and neck
Common carotid
What gives branches to the upper and lower lips
Facial
Divides into incisive and mental arteries
Inferior alveolar
Gives off dental and alveolar branches to the max. posterior teeth
PSA
Innervates the dorsal and ventral surfaces of the tongue
Lingual
Drains most of the tissues in the head and neck
Internal Jugular
Formed by the merger of the maxillary vein and the superficial temporal v
Retromandibular v.
Begins by the merger of the supraorbital v and the supratrochlear v
Facial v.
The maxillary v. collects blood from what
Pterygoid plexus
The posterior superior alveolar artery and its branches supply what
Maxillary posterior teeth and periodontium
What vein results from the merger of the superficial temporal v. and maxillary v.
Retromandibular vein
What artery arises from the inferior alveolar a. before the artery enters the mandibular canal
Mylohyoid a.
What artery supplies the mucous membranes and glands of the hard and soft palate
Greater and lesser palatine a.
What is the lesion that results when a clot on inner blood vessel wall becomes dislodges and travels in the vessel
Embolus
What is a venous sinus of the vascular system
Blood filled spaces between 2 laters of tissue
What is a branch of the Facial artery
Superior labial artery
What is a small vessel that branch off an arteriole to supply blood directly to tissue
capillary
The carotid pulse can be palpitated at the level of what
Thyroid cartilage
The tongue is supplied mainly by a branch from what artery
External carotid artery
What artery can be sometimes visible under the skin of the temporal region
Superficial temporal a.
What artery anastomoses with the anterior superior alveolar artery
Posterior superior alveolar a.
On the left side of the body the common carotid and subclavian arteries give rise directly from what
Aorta
What is the larger terminal branch of the external carotid artery
Maxillary a.
The brachiocephalic veins unite to form the what
Superior vena cave
What is contained in the carotid sheath
Internal jugular vein
What is a lesion that results in a small amount of blood escaping into the surrounding tissue and clotting
Hematoma
What artery directly supplies tissues superior to the hyoid bone including the suprahyoid muscles, floor of mouth and tongue?
Lingual artery- anterior branch of external carotid a.