Time of death Flashcards

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1
Q

What is rigor mortis

A

-The muscles contract and stiffen in the first 2-4 hours.
-It is first observed in the head and neck, and then moves down in the arms and legs
-Full rigor is in the first 8-12 hours
-Rigor mortis fades away after 36-48 hours

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2
Q

what is algor mortis

A

-body tempeture reaches the tempeture of surrounding enviorment in the first 24 hours
-a body loses(or gains) 1.5 degrees per hour
-room or air temperature, exposure to sun, wind, or snow, or the clothes a person is wearing impact this estimate and can make it challenging to pinpoint an exact time of death.

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3
Q

what is livor mortis

A

-When the heart stops beating, the blood is at the mercy of gravity.
-Blood settles or collects on the parts of the body facing the ground.
-Early signs of this blood settling occur within the first 2 hours of death.
-Full signs occur within five hours and lividity is fixed in place in 8-12 hours.

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4
Q

when do cloudiness of the eyes occur on the body after death

A

the first 3-4 hours after death

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5
Q

when does decomposition occur on the body after death

A

36-48 hours after death.

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6
Q

when do the first 1 stage of insects occur on the body after death

A

24 hours

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7
Q

when does the 2nd stage of insects occur on the body?

A

within 24 hours after the eggs have been laid,the eggs will hatch and larvae

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8
Q

when does the 3rd stage of insects occur on the body?

A

24-28 hours the first instar larvae molt

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9
Q

when does the 4th stage of insects occur?

A

Day 2-3: At approximately 47-51 hours, the Second Instar larvae molt and Third Instar larvae emerge.

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10
Q

when does the 5th stage of insects occur

A

Day 5: After about 132 hours, the larvae undergo their final molt to become pupa.

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11
Q

when does the 6th stage of insects occur

A

Day 6: After about 145 hours, the adult fly emerges

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12
Q

Know how to solve the glacier equation

A
  1. 98.4-persons tempeture/1.5
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13
Q

what are the stages after a person has died?

A
  1. Bodys temepture imeediently start changes to its surroundings tempeture in the first 24 hours
  2. Clouding of the corneas begins
  3. Livor mortis begins
  4. The muscles start stiffening which cause rigor mortis
  5. Decomposition begins
  6. after 2 weeks the 6 stages of insects begin
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