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The even-toed ungulates (Artiodactyla) have many specialized skin glands, the secretions of which are involved in semiochemical communication. [2] These glands include the sudoriferous glands (located on the forehead, between the antlers and eyes), the preorbital glands (extending from the medial canthus of each eye), the nasal glands (located inside the nostrils), the interdigital glands ...
Specialized glands within the human integumentary system # Name Precursor gland derived from [3] Anatomic location 1 Ceruminous gland: Apocrine: Ear canal: 2 Mammary gland: Apocrine: Breast 3 Moll's gland: Apocrine: Eyelid margin 4 Tyson's gland: Sebaceous: Genital skin 5 Meibomian gland: Sebaceous: Tarsal plate: 6 Gland of Zeis: Sebaceous
The olfactory epithelium is a thick yellow/brown structure, about one inch square, located in the upper nasal cavity of the human nose. Made up of olfactory receptors and glands, the epithelium is used as a tool to smell others' body odour and pheromones. [10]
Sebaceous glands line the human skin while apocrine glands are located around body hairs. [1] Compared to other primates, humans have extensive axillary hair and have many odor producing sources, in particular many apocrine glands. [18] In humans, the apocrine glands have the ability to secrete pheromones. These steroid compounds are produced ...
These sensory receptors are located on the medial concave surface of the crescent lumen. The lateral, convex surface of the lumen is covered with non-sensory ciliated cells, where the basal cells are also found. At the dorsal and ventral aspect of the lumen are vomeronasal glands, which fill the vomeronasal lumen with fluid.
Castoreum. Castoreum / k æ s ˈ t ɔːr i ə m / is a yellowish exudate from the castor sacs of mature beavers used in combination with urine to scent mark their territory. [1] [2]Both beaver sexes have a pair of castor sacs and a pair of anal glands, located in two cavities under the skin between the pelvis and the base of the tail. [3]
The olfactory system, is the sensory system used for the sense of smell (olfaction). Olfaction is one of the special senses directly associated with specific organs. Most mammals and reptiles have a main olfactory system and an accessory olfactory system.
Pheromone-containing secretions from the preorbital gland may serve to establish an animal's dominance (especially in preparation for breeding), [4] mark its territory, or simply to produce a pleasurable sensation to the animal. [5] Because of its critical role in scent marking, the preorbital gland is usually considered as a type of scent gland.