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Anat 1 > Lecture Q3 > Flashcards

Lecture Q3 Flashcards

1
Q

25% of human bones are…

A

In the feet

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2
Q

The only human bone not connected to another is….

A

Hyoid bone

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3
Q

The longest bone is ….

A

Femur /thigh bone

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4
Q

Smallest bone is ….

A

Stapes/ in middle ear

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5
Q

Hardest part of our body

A

ENAMEL (teeth)

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6
Q

Axial Skeleton

A

Skull, Thoracic Cage, and Vertebral Column

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7
Q

Appendicular Skeleton

A

Skeleton elements withing the limbs, pectoral , and pelvic girdle

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8
Q

Skeleton consists of …

A

Bones, cartilage, joints, and ligaments

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9
Q

Articulations is

A

.. another word for Joints

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10
Q

Axial Skeleton has how many bones?

A

80

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11
Q

Appendicular Skeleton has how many bones?

A

126

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12
Q

Long bones…

A

bones are longer than they are wide, ( arms, legs)

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13
Q

Short bones…

A

usually square in shape, (wrist, anlkles)

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14
Q

Flat bones…

A

Flat curved, (skull, sternum)

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15
Q

Irregular bones…

A

odd shapes, Vertebrae, pelvis

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16
Q

Structure of long bone…

A

Epiphysis( outer spongy end of long bone),
Metaphysis (nearest to epiphysis portion of long bone),
Diaphysis, (center portion of long bone/ in between metaphysis)

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17
Q

Skull consists of how many bones?

A

22 ( 8 cranial , 14 facial skeleton bones)

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18
Q

Coronal Suture…

A

runs in the coronal plane

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19
Q

Squamous suture…

A

where each parietal bones meet temporal bones inferiorly

20
Q

Sagittal Suture

A

where right anf left parietal bones meet

21
Q

Lamdoid Suture

A

where the parietal bones meet the occipital bones posteriorly

22
Q

Sutural bones..

A

aka Wormian Bones, group of irregularly shaped bones of bone clusters , frequent in lambdoid suture, structurally insignificant.

23
Q

Frontal bone

A

forehead and roof of orbits , consist of supraorbital margin, supraorbital foramen, glabella, and frontal sinus within bones

24
Q

Parietal bones

A

curved plate, roof of cranium,

25
Q

Occipital bone

A

form posterior of cranial base, forms the posterior cranial fossa , foramen magnum at its base

26
Q

Temporal bones…

A

lie inferior to parietal bones, form inferolateral portion of skull

27
Q

Mastoid process

A

site for neck muscle attachment, contains air sinuses

28
Q

Petrous part…

A

Houses cavities of middle and internal ear, projects medially, contributes to cranial base,

29
Q

Jugular foramen

A

boundary with occipital bone, passage for internal jugular vein, and cranial nerves

30
Q

Carotid Canal

A

internal carotid canal artery passes through

31
Q

Sphenoid bone…

A

resembles bat, has body and 3 pairs of processes, contains5 important openings, aka keystone of cranial floor because it is in contact with all other cranial bones

32
Q

Ethmoidal bones..

A

lies between nasal and sphenoid bones

33
Q

Foramen Magnum is part of ….

A

Occipital bone

34
Q

Coronal, Sagital, lambdoid, and ____ are the main sutures of the cranium.

A

Squamous

35
Q

The human skull consists of __ bones.

A

22

36
Q

The human skull consists of cranial and ___ bones.

A

Facial

37
Q

Which suture joins the parietal bones?

A

Sagittal

38
Q

The skull contains air filled cavities called?

A

Sinuses

39
Q

Glabella is part of what bone?

A

Frontal bone

40
Q

Foramen Magnum and Occipital Condyles are parts of ____ bones?

A

Occipital bone

41
Q

_____ part of the temporal bone houses cavities of middle and inner ear.

A

Petrous Part

42
Q

The carotid canal is the passageway in the ____ bone through which the internal carotid artery enters the middle cranial fossa.

A

Temporal bone

43
Q

Keystone of the cranium?

A

Spenoid bone

44
Q

Crista Galli is part of _____ bone?

A

Ethmoid bone

45
Q

Rooster comb shaped structure seen in Ethmoid bone s called?

A

Crista Galli

Anat 1 (12 decks)

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