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Merocrine (or eccrine) is a term used to classify exocrine glands and their secretions in the study of histology. A cell is classified as merocrine if the secretions of that cell are excreted via exocytosis from secretory cells into an epithelial-walled duct or ducts and then onto a bodily surface or into the lumen.
The glands in this group can be divided into three groups: Merocrine glands – cells secrete their substances by exocytosis. (e.g. mucous and serous glands; also called "eccrine", e.g. major sweat glands of humans, goblet cells, salivary gland, tear gland and intestinal glands)
Gley's glands, Sandstroem's glands, parathyroid gland: in the neck parathyroid hormone: 29 Parietal cell: stomach: hydrochloric acid, intrinsic factor: dynamic canaliculi 30 Parotid gland: mouth: saliva tubulo-alveolar 31 Peyer's patches (or glands) ileum, lymphatic glands Pineal gland: brain: melatonin: 32 Prostate: surrounds the urethra just ...
Myoepithelial cells support the secretory epithelial cells. The duct of eccrine gland is formed by two layers of cuboidal epithelial cells. [9] Eccrine glands are active in thermoregulation by providing cooling from water evaporation of sweat secreted by the glands on the body surface and emotionally induced sweating (anxiety, fear, stress, and ...
An apocrine sweat gland (/ ˈ æ p ə k r ə n,-ˌ k r aɪ n,-ˌ k r iː n /; from Greek apo 'away' and krinein 'to separate') [5] [6] is composed of a coiled secretory portion located at the junction of the dermis and subcutaneous fat, from which a straight portion inserts and secretes into the infundibular portion of the hair follicle. [7]
Seromucous glands (mixed) secrete both protein and mucus. Examples include the salivary glands: although the parotid gland (saliva secretion 25%) is predominantly serous, the sublingual gland (saliva secretion 5%) mainly mucous gland, and the submandibular gland (saliva secretion 70%) is a mixed, mainly serous gland.
The eccrine sweat glands are distributed over much of the body and are responsible for secreting the watery, brackish sweat most often triggered by excessive body temperature. Apocrine sweat glands are restricted to the armpits and a few other areas of the body and produce an odorless, oily, opaque secretion which then gains its characteristic ...
the gland is a uniform tube Small intestine (Crypts of Lieberkühn), uterine glands: coiled tubular or simple coiled tubular [5] the gland is coiled without losing its tubular form sweat glands: simple branched tubular [6] or compound tubular [7] branching occurs in the tubes pyloric glands of stomach