The skin of cetaceans and sirenians is distinguished from other marine mammals by the absence of glands and pelage hair. Integument - Integument - Mammals: An important distinguishing character of mammals is their hair. Since the scales and hairs in mammals are found in close association with each other it is believed that hairs have been derived from scales. Bony dermal plates are found in the armadillo. The skin not only keeps most harmful substances out, but also prevents the loss of fluids. All mammalian hard keratin, as well as the soft keratin of the stratum corneum, is of the alpha type. They also possess many other horny derivatives of the epidermis, including nails, claws, hooves, quills, and horns. Last Updated on Thu, 30 Apr 2020 | Mammals.
Justice: What's The Right Thing To Do? Generally mammalian skin is thicker than the skin of other vertebrates because of its function in retarding heat … The integumentary system is composed of the skin and its accessory organs. Oily Skin Solution. Episode 01 "THE MORAL SIDE OF MURDER" - Duration: 54:56. Integumentary form and function. Epidermal Scales: Many mammals possess epidermal scales. Integumentary Derivative # 7.
Get Instant Access. The outer epidermal layer of skin in monodont whales is unique among cetaceans in undergoing an annual molt. The mammalian integument has many of the characteristics that we consider mammalian. Excepting the scaly ant- eaters and armadillos the scales, when present, remain confined in tail and paws.
Epidermal:
The integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin, and assorted glands.The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues. Harvard University Recommended for you The integumentary system of marine mammals functions in protection, thermoregulation, and communication.