Exam 1 Flashcards
Define: Aponeurosis
Connective tissue sheet usually connecting muscles.
Define: Philtrum
Depression above lips that extends vertically from medial upper lip to medial upper nose. It is an embryological mark left from the fusion of Brachial Arches (frontal and maxillary)
Name 4 structures found w/in the Cavernous Sinus.
- Oculomotor Nerve (CN III)
- Abducens Nerve (CN VI)
- Trochlear Nerve (CN IV)
- Opthalmic & Maxillary branches of the Trigeminal Nerve (V1 & V2 of CN V)
- Carotid Artery
The Confluence of Sinuses collects blood from 4 sinuses which are?
- Superior Saggital Sinus
- Straight Sinus
- Occipital Sinus
- Transverse Sinus
Which structure, lying b/t the clinoid processes (anterior & posterior), is vulnerable to compression by a pituitary tumor?
Optic Nucleus
The borders of the Anterior Cervical Triangle? (6)
- Apex = Sternum
- Base = Lower border of the mandible to mastoid processes
- Anterior = Middle Line of the Neck
- Posterior = Anterior border of SCM
- Floor = Pharynx, Larynx & the Thyroid Gland
- Roof = Skin, Superficial fascia, Platysma, Deep cervical fascia
Submandibular Triangle: Borders (3) & Content (1)?
- Anterior = Anterior Belly of the Digastric
- Posterior = Posterior Belly of the Digastric
- Superior = Lower border of the Mandible
Content = Submandibular Gland
Submental Triangle: Borders (3) & Contents (2)?
- Bounded Laterally by the Anterior Belly of the Digastric
- Superior: Lower border of the Mandible
- Inferior: Body of the Hyoid Bone
Contents: 1. Submental Artery & Vein
2. Mylohyoid Muscle forms the floor
Carotid Triangle: Border (3) & Content (1)?
- Base = Posterior Belly of the Digastric
- Anterior = Superior Belly of the Omohyoid
- Posterior = Anterior border of SCM
Contents: Bifurcation of the Carotid Artery
Posterior Cervical Triangle: Borders (6)
- Apex = Junction of SCM & Trapezius at the superior nuchal line of occipital bone
- Base = Intermediate 1/3 of Clavicle
- Anterior = Posterior border of SCM
- Posterior = Anterior border of Trapezius
- Floor = 5 Muscles… Splenus Capitis, Levator Scapulae, Scalenes (Anterior, middle & Posterior)
- Roof = Skin, superficial fascia & platysma, deep cervical fascia
Supraclavicular Triangle: Borders (3) & Contents (2)?
- Anterior = Posterior border of SCM
- Superior = Inferior belly of the Omohyoid
- Inferior = Middle 1/3 of the Clavicle
Contents = Subclavian Vessels, Brachial Plexus
Pectoralis Minor inserts on the _______ of bone known as the _______.
Pectoralis minor inserts on the CORACOID PROCESS of the SCAPULA
The four recti muscles of the eye attach to the _______ by insertion of their respective ________.
The 4 Recti muscle insert onto the SCLERA of the eye via their TENDONS
The depression in the superior aspect of the thyroid cartilage in the midsagittal plane is the _________.
Thyroid Notch
The Serratus Anterior Muscle inserts on the _____________ and is innervated by ___________.
Serratus Anterior muscle inserts on the MEDIAN MARGIN OF SCAPULA & is innervated by LONG THORACIC NERVE
The _________ muscle of the eye is innervated by the Occulomotor nerve (CN III) & is responsible for the functions of ______, ________, & ________.
The INFERIOR OBLIQUE is innervated by CN III & is responsible for the functions of ABDUCTING, ELEVATING, & ROTATING
The Superior Oblique originates from the ___________ & inserts specifically in the ___________.
TENDONIOUS RING, SCLERA
One of the major venous structures that returns blood from the upper limb and is found b/t the deltoid & pectoralis major muscles is called the __________. This structure merges w/ veins from the head & neck and venous blood then enters the heart via the ___________________.
CEPHALIC VEIN, SUPERIOR VENA CAVA
Cranial Nerves VII & VIII exit the posterior cranial fossa via an opening named the _______________.
INTERNAL ACOUSTIC MEATUS
The ______________ lie b/t the cerebral hemispheres and envelopes two dural sinuses named the __________________ & the ____________.
FALX CEREBRI, INFERIOR & SUPERIOR SAGITTAL SINUSES
The _____________ arteries join to form the basilar artery, which ultimately joins with the __________ to form the circle of willis.
VERTEBRAL, INTERNAL CAROTID ARTERY
Describe the difference b/t Superficial & Deep Fascia
Superficial fascia has much more fat & less lubrication than the deep fascia. Deep fascia surrounds the muscles and structures individually but are connected in planes, which may be routes of infection
The ___________ is the first visible upon removing the floor of the orbit.
FRONTAL NERVE
The Frontal Nerve gives rise to the _____________ & _____________ nerves.
SUPRAORBITAL & SUPRATROCHLEAR NERVES
The middle ___________ artery enters the skill through the _______________.
MENINGIAL, FORAMEN SPINOSUM
Tears that wash across the eye are collected in the Lacrimal Puncta @ the medial angle of the eye. The fluid then drains through the ________ into the _______________.
CANALICULI, LACRIMAL SAC
