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BIOS214L Tissues and Images > Skull Images > Flashcards

Skull Images Flashcards

1
Q

ID This structure highlighted in red. What structures pass through this anatomical site?

A

A - the supraorbital foramen of the frontal bone b - the supraorbital nerve and supraorbital artery pass through here

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2
Q

ID structure

A

The frontal sinus of the frontal bone

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3
Q

ID Structure. Which bone compose this structure?

A

This is the zygomatic arch. It is formed by the zygomatic process of the temporal bone and the temporal process of the zygomatic bone

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4
Q

Dura Mater

A

Superficial membrane (meninx) covering the brain

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5
Q

ID Structure. What is it’s function?

A

Temporal squama of the temporal bone. Is flat, and forms the anterior superior portion of the temporal bone.

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6
Q

Id these two structures. What do they form?

A

The Zygomatic process of the temporal bone in the squamous region and the temporal process of the zygomatic bone, which forms the zygomatic arch of the zygomatic bone

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7
Q
A
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8
Q

ID Structures. Collectively, what do they form?

A

V = Zygomatic Process of the temporal bone J = Mandibular fossa of the temporal bone and the articular tubercle form the temporal mandibular joint when with the mandible

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9
Q

ID Structure

A

Mastoid portion of the mastoid region, located inferior and posterior to the external auditory meatus

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10
Q
A
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11
Q

Mastoid definition

A

breast shaped

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12
Q

Meatus definition

A

passageway

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13
Q

Mastoiditis

A

Inflammation of the mastoid air cells located in the mastoid portion of the skull. The inflammation is commonly caused by ear infections that spread to the mastoid air cells

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14
Q

ID Structure. What is it’s function?

A

Mastoid process of the temporal bone. Serves as a site of attachment for several neck muscles

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15
Q

ID Structure. What is its function?

A

Internal auditory meatus (Internal acoustic “auditory” canal) of the petrous region of the temporal bone; the Facial nerve (CNVII) and the vestibulocochlear nerve (CNVIII) pass through here

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16
Q

ID structure. What is it’s function?

A

Styloid process of the tympanic region. function is to provide sites for attachment for muscles and ligaments of the tongue and cheek

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17
Q

ID structure. What is it’s function

A

Styloid mastoid foramen of the Mastoid region. The Facial Nerve (CNVII) and the styloid mastoid artery pass through here (The facial nerve exits in style

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18
Q

ID structure. What is its function?

A

Petrous portion - houses internal ear, middle ear, and the malleous, incus, and the stapes, the carotid foramen, the jugular foramen

19
Q

ID Structures

A

A - Malleus B- Stapes C - Incus located in the petrous region of the temporal bone on the floor of the cranial cavity

20
Q

ID Structure What is its function?

A

Carotid foramen (Canal) of the petrous region of the temporal bone; Houses the carotid artery

21
Q

ID Structures (Location and function)

A

Superior view of the skull. Jugular foramen of the petrous region of the temporal bone. Articulates with the temporal bone anteriorly and the occiptal bone posteriorly

22
Q

ID structure (Location and Function)

A

Inferior section of the skull Jugular foramen of the petrous region of the temporal bone. Articulates with the temporal bone anteriorly and the occiptal bone posteriorly; passage way for the jugular vein, vagus nerve

23
Q

ID Structure and function

A

Posterioinferior view: Foramen magnum of the occipital bone; Medulla oblongata connects to the spinal cord ( so both located here) The vertebral arteries, spinal arteries, and the accessory nerve XI

24
Q

ID structure and function

A

Occipital Condyle of the occipital bone; articulates with the first cervical vertebra (atlas) to form the atlanto-occipital joints

25
ID Structure and function
The hypoglossal canal of the occipital bone the hypoglossal nerve (XII) and the ascending pharyngeal artery pass through here
26
ID Structures and functions
Posterioinferior view of the skull; G - external occipital protuberance of the occipital bone, F - Superior Nuchal line H - inferior nuchal line. The external occipital protuberance functions as a site of attachment for the elastic ligament the ligamentum nuchae. the nuchal lines are the sites of attachment.
27
ligamentum nuchae
large fibrous elastic ligament, helps support the head, extends from the 7th cervical vertebra to the external occipital protruberance, and attaches to the skull via the inferior and superior nuchal lines
28
Sphenoid bone image in head
My boy sphen is riding his butterfly using his saddle
29
Sphenoid articulations
The sphenoid bone (Sphen riding a butterfly with a saddle) holds the bones of the cranial floor together. It articulates with the ethmoid (Ethi) bone and the frontal bone (Front captain) anteriorly, the parietal (Pirate) bone laterally, posteriorly, and anteriorly, and posterioly with the occipital (octopus) bone.
30
ID Structure and its function
Sella turcica of the sphenoid bone - composed of the Tuberculum Sellae anteriorly, the hypophyseal fossa medially, and the dorsum sellae posteriorly (Recall, sphen riding his butterfly using his saddle)
31
32
ID structure and organ in its place
Hypophyseal fossa of the sphenoid bone, houses the pituitary gland
33
ID Structures
F - Lesser Wing of the sphenoid bone (smaller, anterior and superior to the greater wings, form part of the cranium floor and the posterior part of the eye EUREKA!!!) G - The Greater wing of the sphenoid bone ( larger posterior and inferior to the lesser wings, and form part of the lateral wall of the skull just anterior to the temporal bone)
34
35
ID Structure and components that pass through structure.
a. The optic canal (foramen) of the sphenoid bone. The optic nerve CN II ( brainstem in tutu) and the opthalmic artery pass through here to the orbit
36
ID Structure and and label components that pass through this
a. the superior orbital fissure b. the cranial nerves and blood vessels pass through here
37
ID Structures a and b. collectively, what is their function?
A- Medial Pterygoid plate of the sphenoid bone B - Lateral Pterygoid plate of the sphenoid bone collectively, they attach to muscles that move the mandible and form the lateral posterior region of the nasal cavity
38
ID Structures and the innervation of each structure
A - Foramen rotundum of the sphenoid bone (trigeminal nerve (CN V) maxillary division) B - Foramen ovale of the sphenoid bone (trigeminal nerve CN V) mandibular division C- Foramen spinosum of the sphenoid bone Trigeminal nerve CN V middle meningeal blood vessels
39
ID Structure and name features
Foramen Lacerum of the petrous region of the Temporal bone; the ascending pharyngeal artery and emissary veins pass through here (Sphenoid bone anteriorly, temporal bone laterally, and the occipital bone posteriorly)
40
Describe the location and functions of the ethmoid bone
The ethmoid (Ethi) bone is located anterior to the sphenoid bone and posterior to the nasal bones; it forms part of the anterior portion of the cranial floor, the thin medial walls of the orbits, the superior wall of the nasal septum (divides nasal cavity into left and right halves); and most of the major superior walls of the nasal cavity. The function of the ethmoid (ethi bone) is to serve as a major supporting structure of the nasal cavity and forms extensive surface area of the nasal cavity
41
ID structure
Ethmoidal Air cells of the ethmoid bone, which form the ethmoid sinus
42
ID structures and functions
This is the ethmoid (ethi) bone. A - the crista galli ( serves as a point of attachment for the falx cerebri) B - Ethmoidal air cells of the ethmoid sinuses C - Lateral mass (comprises most of the wall between the nasal cavity and the orbits D -Superior nasal Concha ( increases surface area of the mucous and vascular membrane surfaces ( moistens, warms, humidifies air, and also traps particles), E - inferior nasal concha F - perpendicular plate
43
Flax Cerebri
The membrane that separates the two hemispheres of the brain. Attaches to the crista galli

BIOS214L Tissues and Images (7 decks)

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