List of articles in "Anatomical Structure" category - Page 383

Areolar glands or Glands of Montgomery are sebaceous glands in the areola surrounding the nipple. The glands make oily secretions (lipoid fluid) to keep the areola and the nipple lubricated […]

Virchow’s node (or signal node) is a lymph node in the left supraclavicular fossa (the area above the left clavicle). It takes its supply from lymph vessels in the abdominal […]

Auerbach’s plexus (or myenteric plexus) provides motor innervation to both layers of the tunica muscularis having both parasympathetic and sympathetic input whereas Meissner’s plexus has only parasympathetic fibers and provides […]

The axon hillock is a specialized part of the cell body (or soma) of a neuron that connects to the axon. The axon hillock is the last site in the […]

The midbrain tegmentum is the part of the midbrain extending from the substantia nigra to the cerebral aqueduct in a horizontal section of the midbrain. It forms the floor of […]

The ventral tegmentum (tegmentum is Latin for covering) better known as the ventral tegmental area of Tsai (VTA) is a group of neurons located close to the midline on the […]

The extrastriate cortex is the region of the occipital cortex of the mammalian brain located next to the primary visual cortex which is also named striate cortex because of its […]

In the developing fetus the ductus arteriosus (DA) also called the ductus Botalli is a blood vessel connecting the pulmonary artery to the proximal descending aorta. It allows most of […]

A nuclear chain fiber is a specialized sensory organ contained within a muscle. Nuclear chain fibers are intrafusal fibers that along with nuclear bag fibers make up the muscle spindle […]

A nuclear bag fiber is a type of intrafusal muscle fiber that lies in the center of a muscle spindle. Each has a large number of nuclei concentrated in bags […]