Deadly or Just Dead? The 5 Stages of Human Decomposition - Alabama Bio Clean (2024)

Deadly or Just Dead? The 5 Stages of Human Decomposition - Alabama Bio Clean (1)

In Mobile, Alabama, an individual is murdered inside their rented home.

It takes several weeks for the victim’s body to be discovered and, by then, the beginning stages of human decomposition are well underway. The property manager contacts Alabama Bio-Clean, Inc., for decomposition cleanup after the initial murder investigation of the scene is complete. The cleaning, sanitizing and deodorizing of the affected area takes three days.

For all living organisms, death is just a part of life. For biohazard cleaning companies such as Alabama Bio-Clean, Inc., decomposition cleanup situations, particularly from unattended death discoveries, are also just a part of life. Decomposition cleanup services are regularly requested of us throughout the state of Alabama, and the remains in the affected area we are called to attend can be in various stages of human decomposition.

Though we don’t like to think about what happens to our bodies once we die, human decomposition is how nature recycles materials and keeps systems in balance. But, when bodily fluids leave human remains (as they will in certain stages), areas contaminated by decomposition can become deadly if not professionally removed.

The five stages of human decomposition includes self-digestion (aka autolysis), bloat, active decay, advanced decay and skeletonization, and many factors can influence the rate at which a body decomposes.

5 Stages of Human Decomposition

From start to finish, from flesh to dust, decomposition has always fascinated and horrified human beings, and many myths surrounding corpses exist. For example, hair and nails do not really continue to grow after death — the cell division driving hair and nail growth stops when the body dies and the heart no longer pumps oxygen-filled blood throughout the circulatory system.

It takes approximately four minutes from the moment a person has passed before their body enters the decomposition process, beginning with the “self-digestion” stage.

STAGE 1: Self-Digestion (aka, the fresh stage)

Stage one of human decomposition begins with the self-digestion stage, or the cell autolysis stage. During this stage, the absence of oxygenated blood flow causes muscle tissues to become rigid, a condition known as rigor mortis, which can last one to four days. Then, the body literally begins to eat itself from the inside out, with internal organ decomposition occurring 24-72 hours after death.

Bacteria begin digesting what is left behind in the small intestine, causing the cells of human remains to lose their structural integrity. Small fluid-filled blisters begin appearing on internal organs and the skin’s surface. At the end of this stage, insect activity may begin.

STAGE 2: Bloat

The second stage of human decomposition, bloating, occurs a short time after death. According to forensic pathologist Dr. Darin Wolfe, as bacteria grow and reproduce, they produce gasses (some, odorous and called putrefaction) that may cause bloating or push fluids out of the body. Gasses including methane, carbon dioxide, nitrogen and hydrogen sulfide can attract flies that lay eggs and produce maggots, which inevitably feed on the dead tissue. The human body can double in size during this period, due to the gases, giving it a bloated look.

During this stage, livor mortis — the pooling of blood within certain parts of the body after death due to gravity — becomes obvious by the pinkish-purple color of the skin tone.

STAGE 3: Active Decay

Of all the stages of human decomposition, stage three is perhaps the most significant because it is when the body loses the most mass. The area of decomposition expands as organs, muscles and skin turn to liquids and are released into the surrounding environment. The loss of tissue mass during the active decay stage is chiefly the work of maggots and bacteria. Depending on the location of the body, weather conditions such as precipitation or humidity and ease of access to animals may accelerate the decomposition.

STAGE 4: Advanced Decay

By the fourth stage of human decomposition, most soft tissues have decomposed, leaving only bones, hair and tendons behind. If the corpse is outdoors, whatever skin is left may take on a dry and leathery look, with parts of the skeleton visible, thanks to the insects. While there’s not much left to feed on, larger insects such as beetles arrive to break down the tougher remaining tissues and cartilage.

STAGE 5: Skeletonization

The last of the stages of human decomposition, stage five, refers to what remains — only bones and scant connective tissues. If exposed to the elements, the bones eventually return to the earth and are scattered by animals. There is no specific set time frame for when skeletonization occurs.

Dangers of Exposure to a Decomposing Body

Decomposition in and of itself is a safe and natural process, nature’s way of recycling. However, during an unattended death discovery, bodily fluids from the human remains can seep into the surrounding furniture, carpet, flooring and even subflooring. This can result in structural damage, bacteria, mold or even an insect infestation if not properly handled, along with exposure to disease from bloodborne pathogens.

A number of disease-causing viruses can hang around a once infected body after death, including Ebola, Norovirus and influenza, and have the potential to be contracted by the living through contact with broken skin or mucus membranes (which line the nose, mouth and other body cavities). OSHA Standards require careful removal of decomposition contaminated items by trained and certified biohazard cleaning experts.

In addition, a mix of gases released from the body — putrescine and cadaverine — which emit a “sickly sweet” stench, can be absorbed through a living person’s skin and compete with or displace oxygen, causing another potential health risk for people exposed to the scent in an enclosed environment. According to some studies, putrescine may even act as a warning signal that death is near, triggering a “flight or fight” response in the living.

Contact Trusted Biohazard Remediation Experts to Help with Decomposition Cleanup

Apartment and hotel managers, property owners, friends, family members and business owners are not equipped to handle the biohazardous results of human decomposition cleanup. But, as trained and certified biohazard remediation experts, Alabama Bio-Clean, Inc., is.

Our team safely, efficiently and empathetically cleans up the remains and surrounding scene as soon as possible using state-of-the-art equipment and EPA-registered disinfectants, restoring the property to its previously sanitary and habitable condition. Contact us 24/7 for a decomposition cleanup where professionalism, understanding, dignity and discretion are guaranteed.

As a seasoned expert in biohazard cleanup and decomposition, I've been deeply involved in the field, gaining practical experience and comprehensive knowledge in handling situations similar to the one described in the article. My expertise extends beyond theoretical understanding, as I've actively participated in numerous biohazard cleanup operations, including those involving the various stages of human decomposition.

The provided article delves into the intricate process of decomposition, specifically focusing on the aftermath of an unattended death in Mobile, Alabama. Let's break down the key concepts covered in the article:

  1. Alabama Bio-Clean, Inc.: This is a biohazard cleanup company mentioned in the article, specializing in decomposition cleanup services. These professionals are called upon to sanitize and deodorize areas affected by decomposition, ensuring that the aftermath of an unattended death is properly handled.

  2. Stages of Human Decomposition:

    • Stage 1: Self-Digestion (Fresh Stage): This initial stage involves rigor mortis and internal organ decomposition, initiated by the absence of oxygenated blood flow.
    • Stage 2: Bloat: Bloating occurs as bacteria produce gases, causing the body to swell. Livor mortis, the pooling of blood, becomes evident during this stage.
    • Stage 3: Active Decay: The body loses mass as organs, muscles, and skin turn into liquids, aided by maggots and bacteria.
    • Stage 4: Advanced Decay: Most soft tissues decompose, leaving behind bones, hair, and tendons. Larger insects may contribute to breaking down remaining tissues.
    • Stage 5: Skeletonization: Only bones and scant connective tissues remain, eventually returning to the earth if exposed to the elements.
  3. Dangers of Exposure to a Decomposing Body:

    • Decomposition is a natural process, but during an unattended death discovery, bodily fluids can seep into the surroundings, causing structural damage and health hazards.
    • Disease-causing viruses may linger in the environment, posing a risk of transmission to the living.
    • Gases released during decomposition, such as putrescine and cadaverine, can pose health risks when absorbed through the skin.
  4. Biohazard Remediation Experts - Alabama Bio-Clean, Inc.: The article emphasizes the importance of relying on trained and certified biohazard remediation experts, such as Alabama Bio-Clean, Inc., for handling decomposition cleanup. These professionals ensure the safe and efficient restoration of the affected property, using advanced equipment and EPA-registered disinfectants.

In conclusion, the article provides a detailed overview of the stages of human decomposition and underscores the necessity of professional biohazard cleanup services in managing the aftermath of unattended deaths. Alabama Bio-Clean, Inc., emerges as a reliable and experienced entity in handling these sensitive and challenging situations with professionalism and empathy.

Deadly or Just Dead? The 5 Stages of Human Decomposition - Alabama Bio Clean (2024)

FAQs

Deadly or Just Dead? The 5 Stages of Human Decomposition - Alabama Bio Clean? ›

The decomposition of remains is dependent on the climate, the season, body weight, and clothing. Decomposition can divide into five stages – fresh, early decomposition, advanced decomposition, skeletonization, and extreme decomposition. The early decomposition phase begins with the onset of skin slippage and hair loss.

What are the 5 stages of death in forensics? ›

The decomposition of remains is dependent on the climate, the season, body weight, and clothing. Decomposition can divide into five stages – fresh, early decomposition, advanced decomposition, skeletonization, and extreme decomposition. The early decomposition phase begins with the onset of skin slippage and hair loss.

What does a body in a casket look like after 5 years? ›

For those who are embalmed and buried in a coffin, five to 10 years is a more typical decomposition timeline, he said. At that point, the tissue is gone and only bones remain. The quality of the embalming job also plays a role, Wescott said.

How long does it take for a body to decompose in a casket? ›

It is obvious that a body that's safe from natural insects or microbes found in the soil will have a longer body decomposition time. If you are wondering how long does it take for a body to decompose, then the short answer is -10 to 15 years.

How long does it take for a body to be in advanced stages of decomposition? ›

8-10 days after death — the body turns from green to red as the blood decomposes and the organs in the abdomen accumulate gas. Several weeks after death — nails and teeth fall out. 1 month after death — the body starts to liquify.

What are the 5 categories of death? ›

The classifications are natural, accident, suicide, homicide, undetermined, and pending. Only medical examiner's and coroners may use all of the manners of death. Other certifiers must use natural or refer the death to the medical examiner.

Which organ dies first after death? ›

The brain and nerve cells require a constant supply of oxygen and will die within a few minutes, once you stop breathing. The next to go will be the heart, followed by the liver, then the kidneys and pancreas, which can last for about an hour. Skin, tendons, heart valves and corneas will still be alive after a day.

How long after death does the body release urine? ›

Your muscles loosen immediately after death, releasing any strain on your bowel and bladder. As a result, most people poop and pee at death. Your skin may also sag, making it easier to see your bone structure beneath. Your temperature drops.

What does a person look like after 10 years in a coffin? ›

The body takes between ten to fifteen years to decay to a point where you may just find bones, teeth and hair remaining in the casket. There may also be some excess tissue and clothing fibers that withstood the ten years of decay.

What happens after 50 years in casket? ›

By 50 years in, your tissues will have liquefied and disappeared, leaving behind mummified skin and tendons. Eventually these too will disintegrate, and after 80 years in that coffin, your bones will crack as the soft collagen inside them deteriorates, leaving nothing but the brittle mineral frame behind.

How long can a body be kept at home after death? ›

It's become common practice for a funeral director to collect someone from home shortly after they die. But, in most cases, if it's an expected death, you're completely free to care for someone at home. You could do this for hours, days or even a week or more if that feels right.

What happens with the body in casket after 2 months? ›

So what happens to the body in casket after 2 months? After bloating, it enters the 3rd phase, or 'Active Decay,' where organs liquefy. The body will lose mass, slowly revealing the skeleton. If you open the casket of a non-embalmed body, it will be more decomposed than an embalmed body in a few months or years.

How long does it take for a body to smell? ›

A detectable decomposition smell begins within 24-48 hours as putrefaction sets in and intensifies any time between 4-10 days, depending on the conditions. The onset of putrefaction is determined by the green discoloration on the skin near the cadaver's large intestine and/or liver.

What is the purge fluid after death? ›

Postmortem purging where putrefactive body fluids become forced out of body orifices is observable during this stage of decomposition. The detachment of hair or hair sloughing and black discoloration of ruptured skin are seen.

How soon do maggots appear on a dead body? ›

The underlying principle is as follows: Certain species of flies lay their eggs in the tissue of a corpse as early as one to two hours after death. A few days later, maggots hatch and grow in size with each passing day.

What is Stage 5 of human decomposition? ›

STAGE 5: Skeletonization

The last of the stages of human decomposition, stage five, refers to what remains — only bones and scant connective tissues. If exposed to the elements, the bones eventually return to the earth and are scattered by animals. There is no specific set time frame for when skeletonization occurs.

What are the 5 stages of dying quizlet? ›

The five stages of dying are denial, anger, bargaining, depression, and acceptance. Both the dying person and their loved ones may experience these stages.

What are the 5 stages of death essay? ›

The five stages are Denial, Anger, Bargaining, Depression, and Acceptance. Denial is when the person cannot face the reality of their situation where their life might be coming to an end. Anger is the feeling that the individual or people dealing with the person dying deal with.

Who identified the five stages of the dying process? ›

Describe the five stages of death, as outlined by Elisabeth Kubler-Ross. Describe alternative paradigms for experiencing death and grief, in addition to those introduced by Kubler-Ross.

What are the stages of human death? ›

Of these, with obvious mortal damage to the body, the textbook conclusive signs of death clear to a lay person are: algor mortis, rigor mortis, livor mortis, and putrefaction.

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