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Diagram of Animal Cell

Animal Cell Diagram and Functions

We know that the cell is the primary structural unit of life. It is also the tiniest and most fundamental biological unit of living things. Cells are categorised as eukaryotic or prokaryotic based on their cellular arrangement. Plant and animal cells are classified as eukaryotic. A well-labelled animal cell diagram will therefore be very consistent among the various animal species.

A Diagram of an Animal Cell with Labels

The introduction shows that an animal cell is a cellular depiction of every animal species on Earth. The same is true for the depiction of the plant cell. However, there is one significant distinction between well-labelled schematics of plant and animal cells.
The existence of a cell wall distinguishes the well-labelled diagrams of plant and animal cells. The cell also comprises a huge hollow-space vacuole structure. These vacuoles are available in lesser forms and sizes for animal cells.

Animal Cell Structure

Animal cells are typically smaller in size compared to plant cells. Another distinguishing feature is its erratic form. The lack of a cell wall is the cause of this. Animal cells, on the other hand, have many organelles in common with plant cells, owing to the fact that both arose from eukaryotic cells. The following organelles can be found in most animal cells:

Cell membrane

A layer of protein and fat that forms a thin membrane around the cell and is semipermeable to water and gases. Its fundamental function is to keep the cell safe from harm from the rest of the body. It also regulates the cell's intake and output of nutrients and other microscopic substances.

Nuclear membrane

The nucleus is encased in a double membrane. The nuclear envelope is another term for it. A nuclear membrane surrounds the nucleus, which is also controlled and split during cell division.


The nucleus is the most vital component of the cell. This is a part of the cell that includes the nucleolus, nucleosomes, and chromatin as well as some other sub-organelles. DNA and all other genetic materials are also included. The RBCs are the only one eukaryotic cell type that is an exception in this situation since it lacks a nucleus. It has a nucleus initially but on maturation, the cell loses the nucleus. Because red blood cells lack a nucleus, they are flexible enough to pass through blood vessels and capillaries..


Digestive enzymes are present in these round organelles, which are enclosed by a membrane and aid the digestive process, excretion, and cell reformation.


Located near the nucleus, this tiny organelle features a dense centre and scattered tubules. Microtubules are made in the centrosomes. These are prominently useful during the cell division process.


The cell membrane encloses a jelly-like substance that holds all of the cell's organelles. The nucleoplasm is the component found in the cell nucleus and confined by the nuclear membrane.

Golgi apparatus

It is a sac-like organelle with flat, smooth layers near the nucleus that's involved in particle production, storage, packing, and transit across the whole cell


They have a double membrane and are either circular or rod-shaped organelles. These are a cell's powerhouse since they are critical for the release of energy.


Protein synthesis takes place in these microorganisms, which are composed of RNA-rich cytoplasmic granules. It transfers genetic information from mRNA nucleotides to amino acids in proteins. As a result, they serve as the cell's centres of protein synthesis and therefore play an important function. In a well-labelled picture of plant and animal cells, ribosomes are depicted as either freely floating or attached to the endoplasmic reticulum.

ER- Endoplasmic Reticulum

The endoplasmic reticulum is a membrane sac organelle composed of cisternae. Membranous sacs coming from the nucleus form this cellular organelle's network of thin, twisting filaments. Depending on the presence or lack of ribosomes, there are two forms of endoplasmic reticulum necessary to construct a well-labeled picture of a plant or animal cell. If there are ribosomes on the surface of the cisternae, it is termed the Rough Endoplasmic Reticulum (RER), and if there aren't, it is called the Smooth Endoplasmic Reticulum (SER) (SER).


Water, food, waste, and other essentials are stored in this membrane-bound organelle inside the cell.


The flow of nucleic acids and proteins within cells is facilitated by these small gaps in the nuclear membrane.


Animal cells (in eukaryotes) have a distinct nucleus and several membrane-bound organelles. This allows animal cells to be versatile. It allows them to take on diverse forms, allowing them to become specialised to do certain tasks.

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