Aortic Bulb
The dilated base of the ascending aorta just above the aortic valve, containing the openings of the coronary arteries.
53 body parts containing the letter C — each with origin, classification, and notes.
Below are body parts that contain the letter C anywhere in the name. Each of the 53 body parts below opens to a full profile.
The dilated base of the ascending aorta just above the aortic valve, containing the openings of the coronary arteries.
One of the two rounded fleshy mounds on the back of the pelvis, formed mostly by the gluteal muscles.
The fleshy posterior part of the lower leg, made up mostly of the gastrocnemius and soleus muscles.
Microscopic blood vessels where the exchange of oxygen, nutrients, and waste between blood and tissues occurs.
A pair of major arteries in the neck that supply blood to the brain, face, and neck tissues.
Eight small bones arranged in two rows that form the bony framework of the wrist.
The collarbone, a horizontal S-shaped bone connecting the arm to the rest of the skeleton.
An anatomical term for a horn-shaped projection, used for several structures including the cornua of the hyoid bone and the uterus.
A seahorse-shaped brain structure deep in the temporal lobe that is essential for forming new memories.
A large artery in the pelvis that supplies blood to the lower limb and pelvic organs.
The broad flat upper portion of the ilium that flares outward to form the side of the pelvis.
A flat, chisel-shaped tooth at the front of the mouth used for biting and cutting food.
The anvil-shaped middle bone of the three ossicles in the middle ear, transmitting sound between the malleus and the stapes.
The lower and posterior portion of the hip bone, supporting body weight during sitting.
A small triangular bone embedded in the quadriceps tendon at the front of the knee, also called the patella.
Resident immune cells lining the liver's blood sinusoids that engulf bacteria and old red blood cells.
A small pouch at the inner corner of the eye that collects tears before they drain into the nose.
Five long bones in the palm of the hand that connect the wrist to the fingers.
The hollow space behind the nose where inhaled air is filtered, warmed, and humidified before reaching the lungs.
The narrow region between the head and the trunk, containing major vessels, nerves, and the airway.
The single bone at the back and base of the skull that surrounds the foramen magnum where the spinal cord exits.
A small forebrain structure at the front of the brain that processes incoming signals about smell.
A small circular area on the retina where the optic nerve fibers leave the eye and blood vessels enter.
The cranial nerve that carries visual information from the retina to the brain.
An elongated gland behind the stomach that produces digestive enzymes and hormones regulating blood sugar.
A tough double-layered sac that surrounds the heart, anchoring it and reducing friction during each beat.
A four-sided anatomical gap in the shoulder region that allows passage of the axillary nerve and posterior circumflex humeral artery.
A group of four large muscles on the front of the thigh that extend the knee and stabilize the kneecap.
The final straight section of the large intestine that stores fecal material before elimination.
A group of four muscles and their tendons that surround the shoulder joint and keep the head of the humerus seated in the socket.
The soft tissue layers covering the top of the skull, including skin, dense connective tissue, and the muscle-tendon sheet of the forehead.
The shoulder blade, a flat triangular bone that connects the humerus to the clavicle and supports shoulder motion.
The long bundle of nerve fibers and cell bodies running down through the vertebral column from the brainstem.
A J-shaped muscular sac that stores swallowed food and begins protein digestion through acid and enzymes.
The windpipe, a cartilage-reinforced tube that conducts air between the larynx and the bronchi.
A flexible tube connecting the developing fetus to the placenta, carrying blood between the two.
The two largest veins in the body, returning deoxygenated blood from systemic circulation to the right atrium of the heart.
Either of the two lower chambers of the heart that pump blood out into systemic or pulmonary circulation.
One of a pair of folds of mucous membrane in the larynx that vibrate to produce sound during speech and singing.
A region of the dominant cerebral hemisphere essential for understanding spoken and written language.
A family of immune cells circulating in the blood that defend the body against infection and injury.
A sex chromosome found in all human cells, present as two copies in genetic females and one copy in genetic males.
The cartilaginous tip of the xiphoid process in young people, before it ossifies, providing flexibility at the inferior sternum.
A small cartilaginous extension at the lower end of the sternum that serves as an attachment point for several muscles and ligaments.
The smaller of the two sex chromosomes, found only in genetic males and carrying the master switch for male sex determination.
An early embryonic membrane that provides nutrients and the first blood cells before the placenta takes over.
The middle and largest layer of the adrenal cortex, producing cortisol and other glucocorticoid hormones.
The innermost layer of the adrenal cortex, producing weak androgens that supplement gonadal sex hormones.
The bony arch on the side of the face formed by the temporal and zygomatic bones, visible as the upper cheek ridge.
The cheekbone, a paired bone that forms the prominence of the cheek and the lateral wall of the eye socket.
A facial muscle that draws the corner of the mouth upward and outward, producing the characteristic action of smiling.
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