Post-Mortem Changes in Forensics

Front

What is rigor mortis?

Back

Rigor mortis is the post-mortem stiffening of the muscles due to chemical changes in the body after death.

Front

How long does rigor mortis last?

Back

Rigor mortis typically lasts for 24 to 36 hours before the muscles begin to relax.

Front

What is the significance of rigor mortis in forensic science?

Back

Rigor mortis helps forensic scientists estimate the time of death based on the state of muscle stiffness.

Front

What are the stages of rigor mortis?

Back

The stages include: 1) Onset (2-6 hours post-death), 2) Full rigor (12 hours), 3) Resolution (24-36 hours).

Front

What is livor mortis?

Back

Livor mortis is the pooling of blood in the lower parts of the body after death, causing a purplish discoloration of the skin.

Front

How can livor mortis help in estimating time of death?

Back

The pattern and extent of livor mortis can indicate the position of the body at the time of death and how long it has been since death.

Front

What is algor mortis?

Back

Algor mortis refers to the cooling of the body after death, which can help estimate the time of death.

Front

What role do blowflies play in forensic entomology?

Back

Blowflies are often the first insects to arrive at a corpse, laying eggs within minutes, which can help determine the time of death.

Front

What is an autopsy?

Back

An autopsy is a post-mortem examination performed to determine the cause of death and any disease or injury present.

Front

What is the difference between a coroner and a medical examiner?

Back

A medical examiner is a forensic pathologist who performs autopsies, while a coroner may not have medical training.