Anatomical structure

parasympathetic nervous system sympathetic nervous system Trapezoid ligament organ system Triangular fibrocartilage central canal of spinal cord adrenal cortex pulmonary alveolus Metathorax sclera notum gastropod shell skin flake Tibia anterior commissure antenna Cooper's ligaments precordium erogenous zone scutellum epidermis raphe pubic area Spermatheca crop trochanter renal calyx saw tooth rostrum Anal scale Bowman's membrane Dewclaw renal cortex tendon tendon Insect mouthparts aperture anterior segment of eyeball Bacillary band comb nose-leaf renal medulla zonule of Zinn embolus labyrinth notochord primitive streak Mammary alveolus Henry's pocket ascending colon