anatomy-and-physiology

Yes, capillaries are microscopic; they are typically 5–10 micrometers in diameter, which is narrower than most blood cells and too small to be seen without magnification. Thei...

Spine flexion muscles are the muscle groups that produce forward bending of the trunk, drawing the chest toward the pelvis and decreasing the angle of the spinal column. They pl...

The flexor carpi radialis (FCR) tendon inserts on the medial aspect of the base of the second metacarpal, a site chosen by anatomy to support wrist flexion and radial deviation...

The inferior mesenteric artery (IMA) and inferior mesenteric vein (IMV) are paired vascular structures that supply and drain the hindgut, including the distal transverse colon,...

The short answer is yes: men do have a pubic symphysis. The pubic symphysis is the cartilaginous joint located at the midline of the pelvis where the left and right pubic bones...

Some people can move their outer ears by wiggling the earlobes or pinna, while others cannot. This ability depends on variations in ear muscles, nerve control, and genetics, and...

The apex of the respiratory system refers to the uppermost regions of the lungs and their closely related structures in the root of the neck and superior thorax. In everyday ana...

Wiggle your ears: roughly 10–20% of people can do it, depending on how the ability is defined and measured. Ear wiggling is controlled by the auricular muscles, which many peo...

Belly button position refers to the location, shape, and orientation of the navel on the abdomen, which is primarily determined by how the umbilical cord was attached and healed...

Prominent hip bones in females refer to greater visibility or projection of the pelvic bones, particularly the ilium and ischial tuberosities, at the sides of the hips. This pro...