neuroanatomy spotters_240611_215632.pdf.

Neuroanatomy spotters

1. SPOTTERS-NEUROANATOMY

2. SPOTTER NA-1
SPOTTER ABD-59
A.Identify the pinned area.
B. Mention the cranial nerve related to it..

3. ANSWER SPOTTERS NA -1
A.Anterolateralsulcusof medulla oblongata
B.Cranial nerve related to it: Rootlets of
hypoglossal nerve

4. SPOTTER NA-2
A. Identify the pinned structure.
B. Give its formation.
C. Mention its branches.

5. ANSWER SPOTTERS NA -2
A.Basilar artery
B.Formation-formed by union of right and left
vertebral arteries
C.Branches:
1.Pontine branches
2. Anterior inferior cerebellarartery
3. Labyrinthine artery
4. Superior cerebellarartery
5. Posterior cerebral artery

6. SPOTTER NA-3
A. Identify the pinned area.
B. Give its content.

7. ANSWER SPOTTERS NA -3
A.Basilar sulcus
B.Content: Basilar artery

8. SPOTTER NA-4
A. Identify the tied structure.
B. What does it consist of ?

9. ANSWER SPOTTERS NA -4
A.Caudaequina
B.It consists of roots of lower four pairs of
lumbar nerves, five pairs of sacral and one
pair of coccygealnerves

10. SPOTTER NA-5
A. Identify the pinned area.
B. Mention its functional importance.

11. ANSWER SPOTTERS NA -5
A.Central sulcus
B.Functional importance
Forms the boundary between motor area in
front and sensory area behind

12. SPOTTER NA-6
A. Identify the pinned structure.
B. Name its deep nuclei.
C. Give its blood supply.
D. Give its applied anatomy.

13. ANSWER SPOTTERS NA -6
A.Cerebellum
B.Deep nuclei: Dentate nucleus, Emboliform
nucleus, globosenucleus and fastigialnucleus
C.Arterial supply: Superior cerebellarartery,
Anterior and posterior inferior cerebellarartery
D.Applied anatomy: Cerebellarsyndrome
Truncalataxia, Hypotonia, asynergia, dysmetria,
Dysarthria, Dysdiadochokinesis

14. SPOTTER NA-7
A. Identify the pinned structure.
B. Give its parts.
C. Mention the cranial nerves related to it.

15. ANSWER SPOTTERS NA -7
A.Cerebral peduncle
B.Parts: Cruscerebri, substantianigraand
tegmentum
C.Cranial nerves related to it:
Oculomotornerve and trochlearnerve

16. SPOTTER NA-8
A. Identify the tied structure.
B. What does it made up of?
C. Give its parts and length.
D. Mention its extent.

17. ANSWER SPOTTERS NA -8
A.Filumterminale
B.It is a modification of piamatar
C.Parts:
1. Filumterminaleinternum(15 cm)
2. FilumTerminaleexternum(5 cm)
D. Extent-tip of conusmedullaris(L1) to first
coccygealvertebra (Co1)

18. SPOTTER NA-9
A. Identify the pinned structure.
B. What does it connect?
C. Name any four fibrespresent in it.

19. ANSWER SPOTTERS NA -9
A.Inferior cerebellarpeduncle
B.It connects medulla with the cerebellum
C.Fibrespresent in it
Afferent fibres
1. Posterior spinocerebellar
2. Olivocerebellar
3. Paraolivocerebellar
4. Cuneocerebellar
5. Anterior external arcuatefibres
6. Vestibulocerebellar
7. Reticulocerebellar
Afferent fibres
1. Cerebellovestibular 2. cerebelloreticular 3. cerebello-olivary

20. SPOTTER NA-10
A. Identify the pinned area.
B.Mentionits boundaries.
C.Giveits contents.

21. ANSWER SPOTTERS NA -10
A.Interpeduncularfossa
B.Boundaries:
Anteriorly-optic chiasma
Anterolaterally-optic tract
Posterolaterally-cruscerebriof cerebral peduncle
Posterior-upper border of pons
C. Contents
1.Tuber cinereum
2.Mammillarybodies
3.Infundibulum
4.Posterior perforated substance perforated by central
branches of posterior cerebral artery
5.Oculomotornerve

22. SPOTTER NA-11
A.Identifythe pinned structure.
B. Mention its boundaries.
C. Give its parts
D. Mention the fibrespassing through it.
E. Give its blood supply.
F. Give its applied anatomy.

23. ANSWER SPOTTERS NA -11
A.Internal capsule
B.Boundaries:
Medial-caudate nucleus and thalamus
Lateral-lentiformnucleus
C. Parts-Anterior limb, genu, posterior limb, retrolentiformand sublentiform
D. Fibrespassing through it
Motor fibres: Corticopontine, corticonuclear, corticospinal
Sensory fibres: Thalamocorticalfibres, optic radiation, auditory radiation
E. Blood supply:
1.Medial and lateral striate branches of middle cerebral artery
2.Striate branches of anterior cerebral artery
3.Central branches of anterior choroidalartery
4.Central branches of posterior communicating artery
5.Posterolateralcentral branches of posterior cerebral artery
F. Applied anatomy
Contralhemiplegia, visual and auditory defects

24. SPOTTER NA-12
A. Identify the orange arrow marked structure.
B. Name its branches.

25. ANSWER SPOTTERS NA -12
A. Internal carotid artery
B. Branches
1. Ophthalmic artery
2. Posterior communicating artery
3. Anterior choroidalartery
4. Anterior cerebral artery
5. Middle cerebral artery

26. SPOTTER NA-13
A. Identify the black arrow marked structure.
B. What is it made up of?
C. Give its function.

27. ANSWER SPOTTERS NA -13
A.Ligamentumdenticulatum
B.It is a modification of piamatar
C.Function
1. Help to anchor the spinal cord in the middle
of subarachnoid space
2. Serves as a guide to neurosurgeon during
cordotomyoperations

28. SPOTTER NA-14
A. Identify the pinned structure.
B. What does it connect?
C. Name the fibrespresent in it.

29. ANSWER SPOTTERS NA -14
A.Middle cerebellarpeduncle
B.It connects ponswith the cerebellum
C.Fibrespresent in it:
Ponto cerebellarfibres

30. SPOTTER NA-15
A. Identify the pinned area.
B. Give its functional area.
C. Mention its applied anatomy

31. ANSWER SPOTTERS NA -15
A.Broca’smotor speech area (Pars triangularis
of inferior frontal gyrus)
B.Functional area : Area no 44 and 45 of
Brodmann
C.Applied anatomy: Motor aphasia

32. SPOTTER NA-16
A. Identify the pinned structure.
B. Name the structure present underlying it.

33. ANSWER SPOTTERS NA -16
A.Olive
B.Structure underlying it: Inferior olivary
nucleus

34. SPOTTER NA-17
A. Identify the pinned structure.
B. Name the cranial nerve related to it.

35. ANSWER SPOTTERS NA -17
A.Pons
B.Cranial nerve related to it
Trigeminal (5
th
cranial) nerve

36. SPOTTER NA-18
A. Identify the pinned area.
B. Name the cranial nerve related to it.

37. ANSWER SPOTTERS NA -18
A.Ponto medullaryjunction
B.Cranial nerves related to it:
Medial to lateral
1.Abducentnerve
2.Facial nerve
3.Vestibulocochlearnerve

38. SPOTTER NA-19
A. Identify the pinned area.
B. Mention its functional importance and functional area

39. ANSWER SPOTTERS NA -19
A.Post central gyrus
B.Functional area:
Primary sensory area (Area no. 3,1,2 of
Brodmann)

40. SPOTTER NA-20
A. Identify the pinned area.
B. Give its contents.

41. ANSWER SPOTTERS NA -20
A.Posterior ramusof lateral sulcus
B.Contents
1. Middle cerebral artery
2. Deep middle cerebral vein

42. SPOTTER NA-21
A. Identify the pinned area.
B. Name the cranial nerves related to it.

43. ANSWER SPOTTERS NA -21
A.Postero-lateral sulcusof medulla oblongata
B.Cranial nerves related to it:
From above downwards
1. Glossopharyngealnerve
2. Vagusnerve
3. Accessory nerve

44. SPOTTER NA-22
A. Identify the pinned area.
B.Giveits functional area.

45. ANSWER SPOTTERS NA -22
A.Precentralgyrus
B.Primary motor area ( Area 4 of Brodmann)

46. SPOTTER NA-23
A. Identify the pinned structure.
B. Name the structure present underlying it.

47. ANSWER SPOTTERS NA -23
A.Pyramid
B.Structure present underlying it
Corticospinal(pyramidal) fibres

48. SPOTTER NA-24
A. Identify the pinned area.
B. Give its functional area.
C. Mention its applied anatomy

49. ANSWER SPOTTERS NA -24
A.Wenicke’sSensory speech area
B.Functional area
Area no 39 and 40 of Brodmann
C. Applied anatomy:
Sensory aphasia

50. SPOTTER NA-25
A. Identify the given organ
B. Give its extent
C. Give its coverings.
D. Mention its arterial supply.

51. ANSWER SPOTTERS NA -25
A.Spinal cord
B.Extent:
Upper border of C1 to lower border of L1
C. Coverings: Duramatar, Arachnoidmatarand
piamatar
D. Arterial supply:
Anterior spinal artery, two posterior spinal
arteries and segmental arteries

52. SPOTTER NA-26
A. Identify the given area
B. Give its functional importance and functional
area

53. ANSWER SPOTTERS NA -26
A.Superior temporal gyrus
B.Functional importance
Auditory area is situated in the superior surface of
superior temporal gyrus
Functional area:
Area 41 and 42 of Brodmann(primary auditory area)
Area 22 of Brodmann(secondary auditory area)