sweat gland & duct on human scalp leading to surface. cross-section of a follicle, epidermis, dermis - 汗腺 個照片及圖片檔顯微鏡
Illustration of the eccrine sweat glands located in the skin and secreting the sweat that regulates the body's temperature, thermoregulation). The...
anatomy of thick skin--epidermis, dermis, sweat gland duct, sensory receptors (meissner's corpuscles) 25x - 汗腺 個照片及圖片檔摄影, 角質層
diagram illustrating the two layers of human skin, epidermis, dermis and hair follicle. - 汗腺 幅插畫檔、美工圖案、卡通及圖標
Illustration of a Langerhans islet located in the pancreas surrounded by acinar pancreatic tissue from which separating excretory ducts exit ,...人類內臟, 細胞
cropped shot view of an elephant trunk, used for breathing, smelling, drinking (sucking water in and squirting into its mouth), eating, touching, and making sounds. - 汗腺 個照片及圖片檔
cropped shot view of an elephant's foot. the fatty pad in elephants mimics the heel in humans, helping absorb shock and allowing elephants to move relatively quietly. - 汗腺 個照片及圖片檔
cropped shot view of elephant's ivory. ivory tusks are actually massive teeth that protrude well beyond the mouths of elephants. - 汗腺 個照片及圖片檔
close up of an elephant's wrinkled skin. an elephant’s skin is thick, the blood vessels and nerves are relatively close to the surface, and they have few sweat glands for heat dissipation. - 汗腺 個照片及圖片檔
