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Brant And Helms > Head And Neck > Flashcards

Head And Neck Flashcards

1
Q

A cancellous layer containing vascular spaces - sandwiched between the inner and outer tables of cortical bone

A

Diploic space

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2
Q

Paired foramina or areas of thin bone close to the midline in the parietal bones

A

Parietal foramina

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3
Q

Formed by two frontal bones that unite at the

A

Metopic suture

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4
Q

Paired parietal bones joined in the midline by

A

Sagittal suture

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5
Q

Frontal bones join the parietal bones at the

A

Coronal suture

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6
Q

Junction of coronal and sagittal sutures

A

Bregma

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7
Q

Occipital bone joins the parietal bone at the

A

Lambdoid suture

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8
Q

Lambdoid and sagittal sutures joins at the

A

Lambda

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9
Q

Outer layer of the dura

A

Endosteum

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10
Q

Intersection of the sutures between the frontal, sphenoidal, parietal and temporal bones

A

Pterion

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11
Q

Point where the squamosal suture meets the lambdoid suture

A

Asterion

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12
Q

Thin, depressed bone separating the anterior cranial fossa from the nasal cavity

A

Cribriform plate

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13
Q

Deep fossa seen superior of the sphenoid body

A

Sella turcica/pituitary fossa

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14
Q

Supports the frontal lobe

A

Anterior cranial fossa

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15
Q

Contains temporal, pituitary gland and most of the foramina of the brain

A

Middle cranial fossa

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16
Q

Largest and deepest fossa, contains the cerebellum, pons and medulla

A

Posterior cranial fossa

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17
Q

Triangular defect between the greater and lesser wing
Transmits cranial nerves
Best seen on what view

A

Superior orbital fissure
V1(orbital),III, IV and VI
Occipitofrontal view(20 deg)

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18
Q

Posterior to SO fissure, runs from the middle cranial fossa to the pterygopalatine fossa
Transmits cranial nerve

A

Foramen rotundum
V2 (maxillary)

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19
Q

Posterolateral to the foramen rotundum, runs from middle cranial fossa to infratemporalnfossa

Transmit cranial nerve

Best seen on

A

Foramen ovale

V3 (mandibular) and accessory meningeal artery

Submentovertical (SMV) projection

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20
Q

Posterolateral to the foramen rotundum
Transmits artery
Best seen on

A

Foramen spinosum
Middle meningeal artery
SMV skull projection

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21
Q

Ragged bony canal posteromedial to the foramen ovale at the apex of the petrous bone

What passes?

A

Foramen lacerum

Internal carotid artery

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22
Q

Run from the posterior cranial fossa through the posterior wall of the petrous bone into the inner ear

Transmits cranial nerve

Best seen on

A

Internal auditory meatus and canal

VII and VIII and internal auditory artery

AP of the skull

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23
Q

Irregular opening situated at the posterior end of the junction of the occipital and petrous bones

Transmits the cranial nerves

A

Jugular foramen

9,10, 11 and internal jugular vein

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24
Q

Anterior to foramen magnum and medial to the jugular fossa

Transmits cranial nerve

A

Hypoglossal canal

12th cranial nerve

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25
Q

Runs from posterior cranial fossa to the spinal canal

Transmits

Best seen on

A

Foramen magnum

Medulla oblongata

SMV projection

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26
Q

Pituitary fossa dimensions
Length
Depth

A

11-16 mm
8-12 mm

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27
Q

J shaped, omega or hour glass sella, normal variant

A

Elongated pituitary fossa with prominent sulcus chiasmaticus

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28
Q

Grooves for the transverse sinus are readily seen on the

A

Townes projection

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29
Q

Metopic suture normally disappears by

A

2 y.o

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30
Q

Suture between the anterior part of the occipital bone and the sphenoid bone

A

Sphenooccipital synchondrosis

31
Q

Posterior fontanelle

A

Closes by 6-8months

32
Q

Anterior fontanelle

A

15-18months

33
Q

Lateral fontanelle

A

2 pairs second to third month

34
Q

Sutures
-6months
-first year
-2 years

A

-narrowed to 3mm
-interlock
-assume the serrated appearance

35
Q

Fastest period of growth of the skull vault

Adult proportions

A

1st year of life

7 y.o

36
Q

Midline structure situated behind the third ventricle

A

Pineal gland

37
Q

Forms the eminence of the cheek, also known as the malar bone

A

Zygoma

38
Q

Linear lucencies in the nasal bones that run vertically are grooves for the _____

A

Ethmoidal nerves

39
Q

Four sided pyramidal bony cavity

A

Orbit

40
Q

Transmits the optic nerve and ophthalmic artery

A

Optic foramen

41
Q

Bony orbit

  1. Superior -
  2. Lateral -
  3. Medial -
  4. Inferior -
A
  1. orbital plate of the frontal bone and lesser wing of sphenoid
  2. zygomatic bone and greater wing
  3. maxillary, lacrimal and ethmoid
  4. Orbital process of the maxillary bone
42
Q

Bone between orbit and ethmoids that is paperthin

A

Lamina papyracea

43
Q

Fibrous covering that lines the bony cavity of the orbit

A

Periorbita

44
Q

Xray beam hitting the curving greater wing of sphenoid at a tanget

A

Innominate line

45
Q

Normal optic foramen is less than __

A

7mm

46
Q

Suppies the lower part of the nasal cavity

A

Greater palatine artery

47
Q

Supplies the superior part of the nasal cavity

A

Anterior and posterior ethmoidal branches of the ophthalmic artery

48
Q

Common site for anterior epistaxis

A

Littles area(anterior and inferior part of the nasal septum)

49
Q

Enlargement of the
1. Anterior cells
2. Posterior cells

A
  1. Agger nasi cells
  2. Haller’s cells
50
Q

Bearing the pituitary gland with the optic chiasm

A

Sella turcica

51
Q

Largest of the paranasal sinuses

A

Maxillary sinus

52
Q

Four processes of the maxillary

A

Orbital
Zygomatic
Alveolar (bears the teeth)
Palatine (roof of mouth)

53
Q

Medial wall of the sinus is continued superiorly as a bony projection

A

Uncinate process

54
Q

Frontal (& ethmoid) sinuses are not visible until the age of ____
Adult proportions at

A

2 y.o
14 y.o

55
Q

Pneumatization of sphenoid happens at age ____

A

3 y.o

56
Q

Sinus that first to appear

A

Maxillary
(Alveolar process 6 y.o)

57
Q

TMJ (attachment)
Anterior band
Posterior band

A

Lateral pterygoid muscle
Temporal bone (translational zone)

58
Q

Total count
Milk/decidous teeth
Permanent teeth

A

20
32

59
Q

Hardest and most radioopaque substance in the body

A

Enamel

60
Q

The symphysis menti fuses at what age?

A

2 y.o

61
Q

First permanent molar erupts at

A

6 y.o

62
Q

Gives panoramic image of both dental arches

A

Dental pantomogram

63
Q

Tongue parts
Arise from the inner surface symphysis menti
Arise from hyoid bone
Passes styloid

A

Genioglossus
Hyo and chondroglossus
Styloglossus

64
Q

Largest of the salivary glands

A

Parotid gland

65
Q

Length of parotid duct/stensen duct

A

5cm long

66
Q

Length if submandibular duct (wharton)

A

5cm

67
Q

Continuous with the dura mater and lines the bony cavity of the orbit

A

Periorbita

68
Q

Globe (outermost)
Anterior transparent
Posterior opaque
Junction

A

Cornea
Sclera
Limbus

69
Q

Covers the sclera from the limbus

A

Tenon’s capsule

70
Q

Four rectus muscle arise from a common tendinous ring called

A

Annulus of Zinn

71
Q

Globe (middle layer)

Posterior -

Anterior -

A

Uveal tract

choroid

ciliary body and iris

72
Q

Alters the shape of the lens

A

Ciliary muscle

73
Q

Innermost -

A

Retina

74
Q

Bifurcation of common carotid

A

C4

Brant And Helms (24 decks)

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