| 41. | Preauricular sinuses are inherited features, and most often appear unilaterally.
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| 42. | The thin outer lip is produced in advance of the sinus.
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| 43. | The peristome is broken, probably with very shallow sinus above.
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| 44. | The anal sinus is well marked, narrow, but deep.
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| 45. | The sinus is well expressed, wide, and fairly deep.
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| 46. | Growth lines outline a ventral hyponomic sinus but are otherwise transverse.
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| 47. | This can in turn lead to recurrent ear and sinus infections.
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| 48. | Where sinc is the cardinal sinus function in its normalized form.
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| 49. | Growth lines are usually biconvex, forming ventral and lateral sinuses.
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| 50. | Goldberg died October 2, 2014 of brain and sinus cancer.
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