If you’re curious about the human body and want to learn more about the body parts that start with M, you’ve come to the right place.
In this article, I will explore some known and lesser-known body parts starting with the letter M and their functions in the human body.
Whether you are a medical professional or simply someone interested in learning more about the human body, this article is sure to pique your curiosity and expand your knowledge.
So, without further ado, let’s dive into the fascinating world of body parts that start with M!
Body Parts That Start With The Letter M
Below are some body parts starting with the letter M (In alphabetical order):
1. Macula
The macula is a small, oval-shaped area in the retina of the eye that is responsible for central vision. It is responsible for our ability to see fine details and perform activities that require sharp, clear vision, such as reading or driving.
2. Major Artery
The major arteries are the largest blood vessels in the body that carry oxygenated blood away from the heart and to various parts of the body. The most well-known major artery is the aorta, which is responsible for supplying oxygen-rich blood to the entire body.
3. Male Genitals
The male genitals refer to the external and internal reproductive organs of the male body, including the penis, scrotum, testicles, prostate gland, and seminal vesicles. These organs are responsible for producing and transporting sperm and semen during sexual reproduction.
4. Malleolus
The malleolus is a bony prominence on either side of the ankle joint, formed by the lower ends of the tibia and fibula bones. It provides stability to the ankle joint and helps prevent excessive movement.
5. Malleus
The malleus is a small bone in the middle ear that is responsible for transmitting sound vibrations from the eardrum to the inner ear. It is commonly known as the “hammer” due to its hammer-like shape.
6. Mamas
Mamas is a slang term used to refer to breasts, which are the mammary glands in the female body responsible for producing milk during lactation.
7. Mammaries
Mammaries is another slang term used to refer to breasts.
8. Mammary
The mammary gland is a glandular tissue in the female breast that is responsible for producing milk during lactation. It is one of the defining features of mammals, hence the name “mammary.”
9. Mammary Glands
The mammary glands are the glands within the breasts responsible for producing milk during lactation.
10. Mandeln
Mandeln is a German term that refers to the tonsils, which are a pair of lymphoid tissues located in the back of the throat that help protect the body against infections.
11. Mandibula
Mandibula is another term used to refer to the mandible, which is the lower jawbone in the human skull.
12. Mandibular
Mandibular refers to anything related to the mandible, such as the mandibular nerve, which is responsible for providing sensation to the lower teeth and gums.
13. Manos
Manos is a Spanish term that refers to the hands, which are one of the most important body parts in the human anatomy. The hands are responsible for performing a wide range of tasks, including grasping, holding, writing, typing, and manipulating objects.
14. Manubrium
The manubrium is the uppermost part of the sternum, or breastbone, which is a flat bone located in the center of the chest. The manubrium is shaped like a handle and provides attachment for several muscles and ligaments.
15. Mao
Mao is a Chinese term that means “hair,” but in medical terminology, the term mao is not used to refer to any specific body part.
16. Marrow
Marrow is a soft, spongy tissue found inside bones that is responsible for producing blood cells, including red blood cells, white blood cells, and platelets. The bone marrow is a vital part of the human immune system and helps fight off infections and diseases.
17. Masseter
The masseter is a muscle located in the jaw that is responsible for chewing and biting food. It is one of the strongest muscles in the human body and is essential for proper digestion.
18. Mastoid
The mastoid is a bony prominence located behind the ear that is connected to the middle ear. It provides attachment for several muscles and is also involved in hearing and balance.
19. Mastoid Bone
The mastoid bone is a part of the skull located behind the ear that contains air cells and provides attachment for several muscles and ligaments.
20. Mastoid Process
The mastoid process is a bony projection located behind the ear that provides attachment for several muscles and ligaments, including the sternocleidomastoid muscle.
21. Mata
Mata is a term used in Polynesian cultures to refer to the eye, which is one of the most important sensory organs in the human body. The eyes are responsible for vision, which is essential for navigating the world around us.
22. Maxilla
The maxilla is a bone in the skull that forms the upper jaw and contains the upper teeth. It also provides attachment for several muscles involved in chewing and biting.
23. MCL
MCL stands for medial collateral ligament, which is a ligament in the knee that connects the thigh bone to the shin bone. It provides stability to the knee joint and helps prevent excessive movement.
24. Medial Malleolus
The medial malleolus is a bony prominence on the inside of the ankle joint, formed by the lower end of the tibia bone. It provides stability to the ankle joint and helps prevent excessive movement.
25. Median Nerve
The median nerve is a nerve that runs from the forearm to the hand and provides sensation to the palm, thumb, index finger, middle finger, and half of the ring finger.
26. Mediastinum
The mediastinum is the central compartment of the chest cavity that contains the heart, lungs, and other vital organs. It is surrounded by the ribcage and is separated from the abdominal cavity by the diaphragm.
27. Medulla
The medulla is the innermost part of certain organs, such as the kidney and adrenal gland. It is also a part of the brainstem that controls several vital functions, including breathing, heart rate, and blood pressure.
28. Medulla Oblangata
The medulla oblongata is the lower part of the brainstem that connects the brain to the spinal cord. It is responsible for regulating several autonomic functions, including breathing, heart rate, and blood pressure.
30. Mejilla
Mejilla is a Spanish term that refers to the cheek, which is the fleshy area on either side of the face. The cheeks are responsible for several important functions, including chewing, speaking, and facial expression.
31. Membranes
Membranes are thin sheets of tissue that line various body cavities and organs. There are several types of membranes in the human body, including mucous membranes, serous membranes, and synovial membranes.
32. Meninges
The meninges are three layers of protective tissue that surround the brain and spinal cord. They are responsible for cushioning and protecting these vital organs from injury.
33. Menisco
The meniscus is a C-shaped piece of cartilage located in the knee joint that provides cushioning and support to the knee. There are two menisci in each knee, one on the inside and one on the outside.
34. Mento
Mento is a term used to refer to the chin, which is the bony prominence at the bottom of the face. The chin is responsible for several important functions, including chewing, speaking, and facial expression.
35. Mesenteric Artery
The mesenteric artery is a blood vessel that supplies oxygenated blood to the small and large intestines. It is a branch of the abdominal aorta and is essential for proper digestion.
36. Mesentery
The mesentery is a fold of tissue that attaches the intestines to the abdominal wall. It provides support and stability to the intestines and is essential for proper digestion.
37. Metacarpals
The metacarpals are the five bones in the hand that connect the wrist to the fingers. They are responsible for providing support and stability to the hand and allowing for fine motor movements.
38. Metatarsals
The metatarsals are the five bones in the foot that connect the ankle to the toes. They are responsible for providing support and stability to the foot and allowing for proper walking and running.
39. Mid Drift
The mid-drift is a term used to refer to the area of the body between the chest and the hips. It includes the abdomen, stomach, and waistline.
40. Mid-Thigh
The mid-thigh is the area of the leg between the hip and the knee. It includes several important muscles, including the quadriceps and hamstrings.
41. Midbrain
The midbrain is a part of the brainstem that connects the forebrain to the hindbrain. It is responsible for several important functions, including vision, hearing, and motor control.
42. Middle Ear
The middle ear is the part of the ear that is located between the eardrum and the inner ear. It includes the ossicles, or three small bones, that are responsible for transmitting sound vibrations from the eardrum to the inner ear.
43. Middle Finger
The middle finger is the third finger on the hand, located between the index finger and the ring finger. It is responsible for several important functions, including grasping and manipulating objects.
44. Middle Toe
The middle toe is the third toe on the foot, located between the big toe and the fourth toe. It is responsible for providing support and stability to the foot and allowing for proper walking and running.
45. Midsection
The midsection is another term used to refer to the area of the body between the chest and the hips. It includes the abdomen, stomach, and waistline.
46. Milkers
Milkers is a slang term used to refer to breasts, which are the mammary glands in the female body responsible for producing milk during lactation.
47. Milz
Milz is a German term that means “spleen,” which is an organ located in the upper left part of the abdomen that is responsible for filtering and purifying blood.
48. Mitral Valve
The mitral valve is a valve in the heart that separates the left atrium from the left ventricle. It is responsible for regulating the flow of blood between these two chambers and preventing backflow.
49. Molar Tooth
The molar tooth is a type of tooth located in the back of the mouth that is responsible for grinding and crushing food. Humans typically have three sets of molars, with the third set, known as wisdom teeth, emerging in late adolescence or early adulthood.
50. Mole
A mole is a small, dark spot on the skin that is caused by the overgrowth of melanocytes, or pigment-producing cells. Moles are usually benign, but in rare cases, they can develop into melanoma, a type of skin cancer.
51. Monobrow
A monobrow, also known as a unibrow, is a single, continuous eyebrow that spans the entire width of the forehead. It is caused by the overgrowth of eyebrow hair and is typically seen as a cosmetic issue rather than a medical one.
52. Mons Pubis
The mons pubis is a rounded mound of fatty tissue located above the pubic bone in females. It is covered in pubic hair and serves to protect the pelvic bone during sexual activity.
53. Mouth
The mouth is the opening through which food enters the digestive system. It is also responsible for several other important functions, including speech, breathing, and taste.
54. Mózg
Mózg is a Polish term that means “brain,” which is the most complex organ in the human body. The brain is responsible for controlling all bodily functions, including thoughts, emotions, movement, and sensation.
55. Mucosa
The mucosa is a layer of tissue that lines various body cavities and organs, including the nose, mouth, throat, and gastrointestinal tract. It is responsible for producing mucus, which helps protect the body against infections and irritants.
56. Mucus Glands
Mucus glands are glands that secrete mucus, a slimy substance that helps protect the body against infections and irritants. Mucus glands are found in several parts of the body, including the respiratory tract, gastrointestinal tract, and reproductive system.
57. Muela
Muela is a Spanish term that means “molar tooth,” which is a type of tooth located in the back of the mouth that is responsible for grinding and crushing food.
58. Mukha
Mukha is a term used in Indian culture to refer to the face, which is the front part of the head that includes the eyes, nose, mouth, and ears.
59. Mulut
Mulut is a Malay term that means “mouth,” which is the opening through which food enters the digestive system. It is also responsible for several other important functions, including speech, breathing, and taste.
60. Muschi
Muschi is a German term that means “vagina,” which is the female reproductive organ responsible for receiving sperm and facilitating childbirth.
61. Muscles
Muscles are specialized tissues in the body that are responsible for movement and locomotion. There are three types of muscles in the human body: skeletal muscles, smooth muscles, and cardiac muscles.
62. Musculo
Musculo is a Spanish term that means “muscle,” which is a specialized tissue in the body that is responsible for movement and locomotion.
63. Muskel
Muskel is a German term that means “muscle,” which is a specialized tissue in the body that is responsible for movement and locomotion.
64. Mustache
A mustache is a patch of hair that grows on the upper lip in males. It is typically seen as a cosmetic feature rather than a medical one.
65. Myelin
Myelin is a fatty substance that forms a protective sheath around nerve fibers in the body. It is essential for proper nerve function and helps speed up the transmission of nerve impulses.
66. Myelin Sheath
The myelin sheath is the protective layer of myelin that surrounds nerve fibers in the body.
67. Myocardium
The myocardium is the muscular layer of the heart that is responsible for pumping blood throughout the body. It is made up of specialized cardiac muscle tissue and is one of the thickest layers of the heart wall.
In conclusion, the body parts that start with the letter M are just a small sample of the many different body parts that make up the human anatomy. By taking care and understanding the functions of these M lettered body parts, we can lead healthy and fulfilling lives.
Now, can you think of any other body parts that start with the letter “M” that are not in the list? Share your answers in the comments below. I’ll update the list as soon as possible.
And, if you are looking for other body parts that starts with other letters, make sure you check my blog posts related to body parts starting with other letters. Such as:
- Body Parts Start With Letter K
- Body Parts Start With Letter L
- Body Parts Start With Letter N
- Body Parts Start With Letter O