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Adrenal Gland
Glandula suprarenalis
A small endocrine gland on top of each kidney that produces stress hormones, mineralocorticoids, and small amounts of sex hormones.
Below are body parts that contain the letter L anywhere in the name. Each of the 69 body parts below opens to a full profile.
Table of contents
List of Body Parts That Contain L
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Alveoli
Alveoli pulmonis
Microscopic air sacs at the end of the bronchioles where gas exchange between air and blood takes place.
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Aortic Bulb
Bulbus aortae
The dilated base of the ascending aorta just above the aortic valve, containing the openings of the coronary arteries.
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Bladder
Vesica
A muscular reservoir that stores fluid before release, most commonly referring to the urinary bladder.
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Calf
Sura
The fleshy posterior part of the lower leg, made up mostly of the gastrocnemius and soleus muscles.
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Capillaries
Microscopic blood vessels where the exchange of oxygen, nutrients, and waste between blood and tissues occurs.
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Carpals
Ossa carpi
Eight small bones arranged in two rows that form the bony framework of the wrist.
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Clavicle
Clavicula
The collarbone, a horizontal S-shaped bone connecting the arm to the rest of the skeleton.
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Deltoid
Musculus deltoideus
A triangular muscle that caps the shoulder and produces most arm-lifting movements.
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Elbow
Articulatio cubiti
The hinge joint of the upper limb where the humerus meets the radius and ulna.
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Epiglottis
Epiglottis
A leaf-shaped cartilaginous flap at the back of the tongue that covers the airway during swallowing.
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Fibula
Fibula
The slender lateral bone of the lower leg that runs alongside the tibia and forms the outer ankle bump.
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Gallbladder
Vesica biliaris
A small pear-shaped organ that stores and concentrates bile produced by the liver.
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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.
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Hair Bulb
Bulbus pili
The rounded base of a hair follicle, where new hair cells are produced by rapidly dividing matrix cells.
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Hypothalamus
Hypothalamus
A small region at the base of the brain that controls hormone release, body temperature, hunger, and many basic drives.
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Iliac Artery
Arteria iliaca
A large artery in the pelvis that supplies blood to the lower limb and pelvic organs.
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Iliac Wing
Ala ossis ilii
The broad flat upper portion of the ilium that flares outward to form the side of the pelvis.
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Ilium
Os ilium
The large flared upper portion of the hip bone that forms the crest you can feel at your waist.
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Jugular Foramen
Foramen jugulare
A large opening at the base of the skull through which several cranial nerves and the internal jugular vein exit the cranial cavity.
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Jugular Vein
Vena jugularis
A pair of large veins in the neck that drain blood from the head and brain back toward the heart.
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Kupffer Cells
Macrophagi stellati
Resident immune cells lining the liver's blood sinusoids that engulf bacteria and old red blood cells.
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Lacrimal Sac
Saccus lacrimalis
A small pouch at the inner corner of the eye that collects tears before they drain into the nose.
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Large Intestine
Intestinum crassum
The final section of the digestive tract that absorbs water and electrolytes and forms feces from undigested material.
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Larynx
Larynx
The voice box, a cartilage-framed organ in the neck that produces sound and protects the lower airway.
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Lip
Labium oris
One of the two fleshy folds that form the entrance to the mouth and help shape speech.
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Liver
Hepar
The largest internal organ, performing hundreds of metabolic, storage, and detoxification functions.
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Lung
Pulmo
One of two spongy organs in the chest that exchange oxygen and carbon dioxide between the bloodstream and the air.
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Lungs
Pulmones
A pair of spongy organs in the thoracic cavity responsible for gas exchange between air and blood.
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Metacarpals
Ossa metacarpi
Five long bones in the palm of the hand that connect the wrist to the fingers.
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Multifidi
Musculi multifidi
A column of deep, short back muscles that span two to four vertebrae each and stabilize the spine.
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Nasal Cavity
Cavitas nasi
The hollow space behind the nose where inhaled air is filtered, warmed, and humidified before reaching the lungs.
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Nipple
Papilla mammaria
A small raised projection at the center of the areola through which milk is delivered from the mammary gland.
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Nostril
Naris
One of the two external openings of the nose through which air enters the respiratory tract.
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Occipital Bone
Os occipitale
The single bone at the back and base of the skull that surrounds the foramen magnum where the spinal cord exits.
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Olfactory Bulb
Bulbus olfactorius
A small forebrain structure at the front of the brain that processes incoming signals about smell.
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Patella
Patella
The kneecap, a triangular sesamoid bone embedded in the tendon of the quadriceps in front of the knee.
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Pelvis
Pelvis
A bowl-shaped ring of bones at the base of the spine that supports body weight and houses pelvic organs.
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Pericardial Sac
Pericardium
A tough double-layered sac that surrounds the heart, anchoring it and reducing friction during each beat.
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Phalanges
Phalanges
The bones of the fingers and toes, arranged in three segments per digit except the thumb and great toe.
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Pineal Gland
Glandula pinealis
A small endocrine gland deep in the brain that secretes melatonin and helps regulate the sleep-wake cycle.
48
Pulmonary Artery
Arteria pulmonalis
A short, large vessel that carries deoxygenated blood from the right ventricle to the lungs.
49
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.
50
Quadratus Lumborum
Musculus quadratus lumborum
A deep muscle of the posterior abdominal wall that stabilizes the lower spine and helps bend the trunk sideways.
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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.
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Scapula
Scapula
The shoulder blade, a flat triangular bone that connects the humerus to the clavicle and supports shoulder motion.
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Skull
Cranium
The bony framework of the head that protects the brain and forms the structure of the face.
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Small Intestine
Intestinum tenue
A long, coiled tube where most chemical digestion and nutrient absorption take place.
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Spinal Cord
Medulla spinalis
The long bundle of nerve fibers and cell bodies running down through the vertebral column from the brainstem.
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Thyroid Gland
Glandula thyroidea
A butterfly-shaped endocrine gland in the front of the neck that controls metabolism through its hormones.
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Ulna
Ulna
One of two long bones of the forearm, located on the little finger side and forming the main hinge with the humerus at the elbow.
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Umbilical Cord
Funiculus umbilicalis
A flexible tube connecting the developing fetus to the placenta, carrying blood between the two.
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Urinary Bladder
Vesica urinaria
A muscular sac in the pelvis that stores urine until it is voluntarily released through the urethra.
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Uvula
Uvula palatina
A small fleshy lobe hanging from the back of the soft palate that helps with swallowing and speech.
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Ventricle
Ventriculus cordis
Either of the two lower chambers of the heart that pump blood out into systemic or pulmonary circulation.
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Vocal Cord
Plica vocalis
One of a pair of folds of mucous membrane in the larynx that vibrate to produce sound during speech and singing.
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White Blood Cells
Leucocyti
A family of immune cells circulating in the blood that defend the body against infection and injury.
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Xiphoid Cartilage
The cartilaginous tip of the xiphoid process in young people, before it ossifies, providing flexibility at the inferior sternum.
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Yellow Bone Marrow
Medulla ossium flava
A fatty tissue found in the central cavities of long bones, serving as an energy reserve and a backup site for blood cell production.
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Yolk Sac
Saccus vitellinus
An early embryonic membrane that provides nutrients and the first blood cells before the placenta takes over.
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Zona Fasciculata
Zona fasciculata
The middle and largest layer of the adrenal cortex, producing cortisol and other glucocorticoid hormones.
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Zona Glomerulosa
Zona glomerulosa
The outermost layer of the adrenal cortex, producing aldosterone to regulate sodium balance and blood pressure.
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Zona Reticularis
Zona reticularis
The innermost layer of the adrenal cortex, producing weak androgens that supplement gonadal sex hormones.
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