Lab Slides, Week 6 Flashcards by Lmmmmm Mmmmm

What are the 3 parts of the sternum?

Manubrium, body, and xiphoid process

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Topmost part of the sternum?

Manubrium

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Middle part of the sternum?

Body

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Lower part of the sternum?

Xiphoid process

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What is the difference between epiphyses and the diaphysis?

Epiphysis - end
Diaphysis - middle

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What cushions the ends of bones?

Articular cartilage

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When a bone grows, what part is growing?

The diaphysis

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Where is the epiphyseal line?

In the metaphysis at the ends of long bones

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What is the metaphysis?

The area where the epiphysis meets the diaphysis

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How can you tell a young bone apart from an old bone?

The young bone is shorter and has growth plates

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3 main components of bone?

Periosteum, compact bone, and spongy bone

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What is a true rib?

A rib completely attached to the sternum

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What is a false rib?

A rib attached to the sternum through cartilage

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What is a floating rib?

A rib that is not attached to the sternum

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What are the types of vertebrae?

Cervical, thoracic, lumbar, sacrum, and coccyx

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Where is the atlas vertebra located?

The very topmost vertebra

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Where is the axis vertebra located?

Right under the atlas vertebra, the second one overall

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Where are the cervical vertebrae located?

Topmost section, contains C1-C7

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Where are the thoracic vertebrae located?

Middle section, contains T1-T12

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Where are the lumbar vertebrae located?

Lowest section, contains L1-L5

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Where is the sacrum vertebra located?

Right under the lumbar vertebrae, kind of flat

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Where is the coccyx vertebra located?

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What does the atlas vertebra do?

Supports your head

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What does the axis vertebra do?

Forms a pivot for the atlas vertebra to rotate on

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Where is the patella?

In front of the knee, small flat bone sort of closer to the thigh than calf

Where is the thumb sesamoid bone?

Small little bone medial to the thumb, between the middle bending joint bones

Occipital bone location?

Back of the head, middle

Frontal sinus location?

Nose bridge

Maxillary sinus location?

Under the skin next to nostrils

Sphenoid sinus location?

Inside the skull, above the pharynx but kind of in the middle and small. Round

Ethmoid sinus location?

Butterfly shaped, behind the eyes and like flat, above nasal cavity

Cranial base angle?

Top down

Anterior cranial fossa location?

Top of cranial base, with the 2 lines

Middle cranial fossa location?

Middle of cranial base, 2 lung-shaped things

Posterior cranial fossa location?

Bottom of cranial base, triangular and has a hole

Frontal bone location?

Basically your entire forehead

Parietal bones location?

Top of the head left and right, a tiny bit on the sides and back too

Sagittal suture location?

Top of the head, between parietal bones

Coronal suture location?

Temples up to the end of the frontal bone on top

Lambdoid suture location?

Triangle in the back of the head

Squamous suture location?

On sides of head near parietal bone, connected to coronal suture

Temporal bone location?

Small ones on side of head

Zygomatic process location?

Flat one on top of jaw, like a cheekbone

Mandibular fossa location?

Tinyyyy little arm on cheekboke right above jaw

Mandibular condyle location?

On the jaw, very top lateral little protrusion

External acoustic meatus location?

Near temporal bone, little tube for ear

Styloid process location?

On temporal bone, Little jut out toward the bottom, really close to mandible

Mastoid process location?

Behind the ear basically. Bottom of skull

How can you identify the temporal bone on a transverse section?

It's like in the middle part of the coronal base, not the entire thing but like.. lung-shaped. Top-up, theres little holes and they almost meet in the middle

Occipital bone location on a transverse plane?

Top-down, it's the bottom of the coronal base. Top-up, same area around the hole basically

How does the sphenoid bone look on a transverse plane?

It looks like a bat honestly. But with a little bit above it

Sphenoid body location?

The part that looks like the bat body

Where is the sella turcica?

Its on the sphenoid body, from the side it looks like a saddle, from the top-down it looks like a bat head

Sphenoid wings location?

Greater wings look like actual wings but lesser wing is directly above that, above the ridge

Sphenoid bone from a side view?

In the middle, it's kind of shaped like a penis with legs

Where are the foramen rotundum?

Topmost holes on sphenoid bone

Where are the foramen ovale?

Middle hold on sphenoid bone

Where are the foramen spinosum?

Bottom holes (3 in a row, not the lines!!) of sphenoid bone

Where is the optic canal?

Bat "eyes" on the sphenoid body

Superior orbital fissure location?

Inner arc of greater wings of sphenoid bone

Ethmoid bone location?

The 2 lines on anterior cranial fossa

Crista galli of the ethmoid bone?

Top middle protrusion of ethmoid bone (posterior view)

Ethmoid air cells location?

Holes next to center of ethmoid bone (both views)

Middle nasal concha location?

2 middle bottom protrusions of ethmoid bone (posterior view)

Orbital plate location?

Somewhat rounded ounded outer edges of ethmoid bone (both views)

Perpendicular plate location?

Base/body of ethmoid bone (posterior view)

Side view of ethmoid air cells?

Hole in middle-front, right above sphenoid sinus

Ethmoid bone side view?

Its like the back of the eye sockets? It has a sharp protrusion upwards behind the frontal sinus

Crista galli side and top views?

Between the 2 lines, or the sharp protrusion behind frontal sinus

Superior nasal concha location? (Transverse plane)

Top little dots in middle

Middle nasal concha location? (Transverse plane)

Middle dots

Inferior nasal concha location? (Transverse plane)

Swirly big blobs in middle

Nasal septum location? (Transverse plane)

Line between all the nasal concha

Maxillae location?

There's 2, it's like the front of your face next to the nose and somewhat under the eyes, your top lip too

Transverse plane of maxillae?

Roof of mouth

Maxillary sinus location?

Transverse plane - To the sides of the nasal concha, blob shaped Side view - Under the eye sockets Coronal view - Basically combo of those 2

Zygomatic bones location?

2 of them, outer edge of eye sockets and cheekbone

Lacrimal bones location?

2 of them, inside of eye sockets sorta behind nose

Lacrimal fossa location?

Tiny little teardrop shaped part of lacrimal bones

Nasal bones location?

Bridge of nose

Inferior nasal concha location, in a frontal or side view?

Magatama-shaped in the nose hole. Side view - cheeto-shaped thing behind nose