1
Arteries
Thick-walled blood vessels that carry oxygenated blood from the heart to tissues throughout the body.
Below are body parts that contain the letter S anywhere in the name. Each of the 52 body parts below opens to a full profile.
Table of contents
List of Body Parts That Contain S
2
Capillaries
Microscopic blood vessels where the exchange of oxygen, nutrients, and waste between blood and tissues occurs.
3
Carpals
Ossa carpi
Eight small bones arranged in two rows that form the bony framework of the wrist.
4
Epiglottis
Epiglottis
A leaf-shaped cartilaginous flap at the back of the tongue that covers the airway during swallowing.
5
6
Gluteus Maximus
Musculus gluteus maximus
The largest and most superficial muscle of the buttock, responsible for hip extension and a powerful push-off when climbing or running.
7
Hippocampus
Hippocampus
A seahorse-shaped brain structure deep in the temporal lobe that is essential for forming new memories.
8
9
Hypothalamus
Hypothalamus
A small region at the base of the brain that controls hormone release, body temperature, hunger, and many basic drives.
10
Incisor
Dens incisivus
A flat, chisel-shaped tooth at the front of the mouth used for biting and cutting food.
11
Incus
Incus
The anvil-shaped middle bone of the three ossicles in the middle ear, transmitting sound between the malleus and the stapes.
12
13
Ischium
Os ischii
The lower and posterior portion of the hip bone, supporting body weight during sitting.
14
Kupffer Cells
Macrophagi stellati
Resident immune cells lining the liver's blood sinusoids that engulf bacteria and old red blood cells.
15
Lacrimal Sac
Saccus lacrimalis
A small pouch at the inner corner of the eye that collects tears before they drain into the nose.
16
Large Intestine
Intestinum crassum
The final section of the digestive tract that absorbs water and electrolytes and forms feces from undigested material.
17
Lungs
Pulmones
A pair of spongy organs in the thoracic cavity responsible for gas exchange between air and blood.
18
Metacarpals
Ossa metacarpi
Five long bones in the palm of the hand that connect the wrist to the fingers.
19
Nasal Cavity
Cavitas nasi
The hollow space behind the nose where inhaled air is filtered, warmed, and humidified before reaching the lungs.
20
Nostril
Naris
One of the two external openings of the nose through which air enters the respiratory tract.
21
Optic Disc
Discus nervi optici
A small circular area on the retina where the optic nerve fibers leave the eye and blood vessels enter.
22
Pancreas
Pancreas
An elongated gland behind the stomach that produces digestive enzymes and hormones regulating blood sugar.
23
Pelvis
Pelvis
A bowl-shaped ring of bones at the base of the spine that supports body weight and houses pelvic organs.
24
Pericardial Sac
Pericardium
A tough double-layered sac that surrounds the heart, anchoring it and reducing friction during each beat.
25
Phalanges
Phalanges
The bones of the fingers and toes, arranged in three segments per digit except the thumb and great toe.
26
Quadrangular Space
Spatium axillare laterale
A four-sided anatomical gap in the shoulder region that allows passage of the axillary nerve and posterior circumflex humeral artery.
27
Quadratus Femoris
Musculus quadratus femoris
A short, flat muscle of the hip that rotates the thigh outward and helps stabilize the hip joint.
28
Quadratus Lumborum
Musculus quadratus lumborum
A deep muscle of the posterior abdominal wall that stabilizes the lower spine and helps bend the trunk sideways.
29
Quadriceps
Musculus quadriceps femoris
A group of four large muscles on the front of the thigh that extend the knee and stabilize the kneecap.
30
Radius
Radius
One of two long bones of the forearm, located on the thumb side and rotating around the ulna.
31
Ribs
Costae
Twelve pairs of curved bones that form the rib cage and protect the organs of the chest.
32
Scalp
Pericranium
The soft tissue layers covering the top of the skull, including skin, dense connective tissue, and the muscle-tendon sheet of the forehead.
33
Scapula
Scapula
The shoulder blade, a flat triangular bone that connects the humerus to the clavicle and supports shoulder motion.
34
Skull
Cranium
The bony framework of the head that protects the brain and forms the structure of the face.
35
Small Intestine
Intestinum tenue
A long, coiled tube where most chemical digestion and nutrient absorption take place.
36
Spinal Cord
Medulla spinalis
The long bundle of nerve fibers and cell bodies running down through the vertebral column from the brainstem.
37
Sternum
Sternum
The breastbone, a flat bone in the middle of the chest that anchors the ribs and protects the heart and great vessels.
38
Stomach
Ventriculus
A J-shaped muscular sac that stores swallowed food and begins protein digestion through acid and enzymes.
39
Uterus
Uterus
A muscular pear-shaped organ in the female pelvis where a fertilized egg implants and a fetus develops during pregnancy.
40
Vasti
Musculi vasti
The three vastus muscles of the thigh that, together with the rectus femoris, make up the quadriceps group.
41
Veins
Blood vessels that return deoxygenated blood from the body's tissues back to the heart at low pressure.
42
White Blood Cells
Leucocyti
A family of immune cells circulating in the blood that defend the body against infection and injury.
43
Wisdom Tooth
Dens serotinus
The third molar at the very back of each side of the jaw, usually the last permanent tooth to erupt in early adulthood.
44
Wrist
Carpus
The joint complex between the hand and the forearm, made up of eight small carpal bones and several joint surfaces.
45
X Chromosome
Chromosoma X
A sex chromosome found in all human cells, present as two copies in genetic females and one copy in genetic males.
46
Xiphoid Process
Processus xiphoideus
A small cartilaginous extension at the lower end of the sternum that serves as an attachment point for several muscles and ligaments.
47
Y Chromosome
Chromosoma Y
The smaller of the two sex chromosomes, found only in genetic males and carrying the master switch for male sex determination.
48
Yolk Sac
Saccus vitellinus
An early embryonic membrane that provides nutrients and the first blood cells before the placenta takes over.
49
Zona Fasciculata
Zona fasciculata
The middle and largest layer of the adrenal cortex, producing cortisol and other glucocorticoid hormones.
50
Zona Glomerulosa
Zona glomerulosa
The outermost layer of the adrenal cortex, producing aldosterone to regulate sodium balance and blood pressure.
51
Zona Reticularis
Zona reticularis
The innermost layer of the adrenal cortex, producing weak androgens that supplement gonadal sex hormones.
52
Zygomaticus Major
Musculus zygomaticus major
A facial muscle that draws the corner of the mouth upward and outward, producing the characteristic action of smiling.
Other ways to filter
Try body parts that start with S, or end with S. Or browse the full body parts index.