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Revision as of 21:08, 17 May 2018

Welcome to the explain xkcd wiki!
We have an explanation for all 2941 xkcd comics, and only 10 (0%) are incomplete. Help us finish them!

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Go to this comic explanation

Cell Organelles
It's believed that Golgi was originally an independent organism who was eventually absorbed into our cells, where he began work on his Apparatus.
Title text: It's believed that Golgi was originally an independent organism who was eventually absorbed into our cells, where he began work on his Apparatus.

Explanation

Ambox notice.png This explanation may be incomplete or incorrect: Created by a GOLGI ENDOPLASMIC RETICULUM. Do NOT delete this tag too soon.

This comic depicts a cell diagram with a mix of real and fictional organelles, blending accurate biological terms with misplaced or absurd labels. While it includes actual cell components like the nucleus, mitochondria, and Golgi apparatus, it also inserts unrelated concepts from various fields such as geology, engineering, software, and pop culture. Terms like "evil endoplasmic reticulum" and "sticky endoplasmic reticulum" add a whimsical twist to familiar scientific terms. The comic plays on the complexity and diversity of cell structures by mixing in unrelated and humorous terms, highlighting the often confusing and intricate nature of scientific diagrams with clever wordplay and cross-disciplinary jokes.

The title text adds a humorous and fictional backstory to the Golgi apparatus, an essential cell organelle involved in processing and packaging proteins. It playfully suggests that Camillo Golgi, the scientist who discovered the Golgi apparatus, was originally an independent organism. This organism was supposedly absorbed into our cells, where it then started working on what is now known as the Golgi apparatus. The joke is a satirical take on endosymbiotic theory, which posits that certain organelles within eukaryotic cells, like mitochondria and chloroplasts, originated from independent symbiotic prokaryotic organisms that were absorbed by a host cell. Golgi appears to be depicted in the comic as a tiny alien being.

Label Meaning Real? Cell organelle? Explanation
Carbonation Carbon dioxide dissolved in a liquid. Yes No The process that causes soda and similar things to bubble.
Cellophane A thin, transparent sheet made of regenerated cellulose. Yes No A type of packaging material.
Chloroplasts if you're lucky Organelles in plant cells responsible for photosynthesis. Yes Yes Actual cell organelles, only found in plant cells. However, these shouldn't be found in animal cells like the one depicted. The phrase "if you're lucky" humorously suggests that these could be something much more dangerous than misplaced plant organelles.
Drain plug A stopper for a drain. Yes Conceivably Plumbing term. Could conceivably refer to a pore or excretion duct.
Evil endoplasmic reticulum Not a real term. No No A humorous twist on the different types of actual endoplasmic reticulum, implying a malevolent version.
Golgi Camillo Golgi (1843–1926) was an Italian biologist and pathologist known for his works on the central nervous system, for whom the Golgi apparatus is named. Yes No The real Golgi isn't/wasn't a tiny alien being who merged with our cells as the depiction and title text implies.
Golgi apparatus A complex of vesicles and folded membranes involved in secretion and intracellular transport. Yes Yes Actual cell organelle.
Human skin The outer covering of the human body. Yes No Skin cells aren't normally inside cells[citation needed].
Hypoallergenic filling Materials that do not cause allergic reactions. Yes No Consumer product term.
Lithosphere The rigid outer part of the earth, consisting of the crust and upper mantle. Yes No Term from geology, It is part of the Earth's crust.
Mantle The layer of the earth between the crust and the core. Yes No Misplaced geological term. Many other meanings.
Midichlorians Fictional microorganisms in the Star Wars universe, which confer Force sensitivity. Yes Fictional Unclear whether George Lucas intended for "midi-chlorians" to be endosymbiotic organelles or internal symbionts.
Mitochondria Organelles that generate energy for the cell. Yes Yes Actual cell organelles, known as the "powerhouse of the cell."
Natural flavor Flavoring derived from natural sources. Yes Conceivably A common ingredient on labels. Is used as an euphenism for many things.
Norton AntiVirus A software product designed to protect computers from malware. Yes No Computer viruses and biological viruses are completely different, and systems designed to counter one generally don't work for the other.
Nucleolus A small dense spherical structure in the nucleus of a cell during interphase. Yes Yes Actual cell organelle, involved in ribosome production.
Nucleoloulous Not a real term. No No A humorous continuation of the terms "nucleus" and "nucleolus."
Nucleus The central and most important part of an object, forming the basis for its activity and growth. Yes Yes Actual cell organelle which houses genetic material.
Nucleons Protons and neutrons in the nucleus of an atom. Yes No The depicted circles are far too big to be actual nucleons.
O-ring A mechanical gasket in the shape of a torus; used to seal connections. Yes No Engineering term.
Pith The central tissue in plants, used for nutrient transport. Yes No Botanical term.
Pleiades A cluster of stars in the constellation Taurus. Yes No A cluster of stars is far too big to fit in a cell.
Rough endoplasmic reticulum Endoplasmic reticulum with ribosomes attached, involved in protein synthesis. Yes Yes Actual cell organelle.
Seeds Plant embryos used for reproduction. Yes No Seeds are used for other things in animals, but they are not generally found in cells.
Slime A moist, soft, and slippery substance. Yes Conceivably Could refer to the texture and appearance of cytoplasm, but not specific to cells.
Smooth endoplasmic reticulum A network of tubular membranes within the cytoplasm of the cell, involved in the transport of materials. Yes Yes Just a standard term for the smooth variant of the endoplasmic reticulum.
Sticky endoplasmic reticulum Not a real term. No No Another humorous twist on the actual types of endoplasmic reticulum.
Ventricle A chamber of the heart that pumps blood out. Yes No Ventricles are actually part of the body, and they are composed of many cells.
Vitreous humour The clear gel that fills the space between the lens and the retina in the eyeball. Yes No The vitreous humor is in eyes, not cells.
Weak spot A vulnerable point. Yes Conceivably Cell membrane surfaces do indeed vary in strength, often due to the presence of organelles such as ion channel pores or similar ducts.

Transcript

Ambox notice.png This transcript is incomplete. Please help editing it! Thanks.

Cell Organelles

[A cell is shown with the following structures and areas labeled, counter-clockwise from upper left then down the middle:]

  • Smooth endoplasmic reticulum
  • Lithosphere
  • O-Ring
  • Pith
  • Nucleus
  • Nucleolus
  • Nucleoloulous
  • Nucleons
  • Drain plug
  • Evil endoplasmic reticulum
  • Hypoallergenic filling
  • Weak spot
  • Mitochondria
  • Midichlorians
  • Chloroplasts if you're lucky
  • Human skin
  • Carbonation
  • Golgi
  • Golgi apparatus
  • Norton AntiVirus
  • Sticky endoplasmic reticulum
  • Pleiades
  • Natural flavor
  • Cellophane
  • Rough endoplasmic reticulum
  • Ventricle
  • Mantle
  • Slime
  • Vitreous humour
  • Seeds


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New here?

Last 7 days (Top 10)

Lots of people contribute to make this wiki a success. Many of the recent contributors, listed above, have just joined. You can do it too! Create your account here.

You can read a brief introduction about this wiki at explain xkcd. Feel free to sign up for an account and contribute to the wiki! We need explanations for comics, characters, themes and everything in between. If it is referenced in an xkcd web comic, it should be here.

  • There are incomplete explanations listed here. Feel free to help out by expanding them!
  • We sell advertising space to pay for our server costs. To learn more, go here.

Rules

Don't be a jerk.

There are a lot of comics that don't have set-in-stone explanations; feel free to put multiple interpretations in the wiki page for each comic.

If you want to talk about a specific comic, use its discussion page.

Please only submit material directly related to (and helping everyone better understand) xkcd... and of course only submit material that can legally be posted (and freely edited). Off-topic or other inappropriate content is subject to removal or modification at admin discretion, and users who repeatedly post such content will be blocked.

If you need assistance from an admin, post a message to the Admin requests board.