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Exocrine Glands: Methods of Secretion

Exocrine Glands: Methods of Secretion

Exocrine glands are those that release their secretions through ducts. Based on their mode of secretion, they can be classified into merocrine, apocrine, and holocrine.
Merocrine Secretion
Merocrine secretion is the most common type of exocrine secretion. The secretions are enclosed in vesicles and moved to the cell's apical surface, where the contents are released by exocytosis. For example, mucous, a watery secretion rich in the glycoprotein mucin, is a merocrine secretion. The eccrine glands...

Accessory Structures of the Skin: Sweat Glands

Accessory Structures of the Skin: Sweat Glands

Sweat glands or sudoriferous glands are one of the important accessory structures of the skin. They are small, coiled tubular structures located in the dermis, the middle layer of the skin. Sweat glands are responsible for producing and secreting sweat, a watery fluid that helps regulate body temperature and excrete waste products.
Sweat glands are classified as merocrine glands; that is, the secretions are excreted by exocytosis through a duct without affecting the cells of the gland. There...

Exocrine Glands: Unicellular and Multicellular Glands

Exocrine Glands: Unicellular and Multicellular Glands

Exocrine glands are classified as unicellular and multicellular. The unicellular glands are scattered single cells, such as goblet cells, found in the mucous membranes of the small and large intestines. On the other hand, multicellular exocrine glands develop as secretory sheets, like the internal lining of the abdomen or chest. Such secretory sheets release their secretions directly into the lumen of these organs. In addition, some multicellular glands have deep-seated secretory units to...

Cirrhosis I: Introduction

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...

Accessory Structures of the Skin: Sebaceous Glands

Accessory Structures of the Skin: Sebaceous Glands

A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...

Acne Infection

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Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...

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Related Experiment Video

Updated: Jul 13, 2026

Sectioning Mammary Gland Whole Mounts for Lesion Identification

Sectioning Mammary Gland Whole Mounts for Lesion Identification

Published on: July 24, 2017

Multiple apocrine hidrocystomas.

R G Torsekar¹, V Vishalakshi

¹Department of Dermatology, CSM Hospital & Rajiv Gandhi Medical College, Kalwa, Thane, Maharashtra, India.

Indian Journal of Dermatology, Venereology and Leprology

|August 1, 2007

Summary

Multiple apocrine hidrocystomas, rare facial tumors, were successfully treated in a 35-year-old woman. Surgical excision and cauterization achieved excellent cosmetic outcomes for these appendageal neoplasms.

Area of Science:

Dermatology
Surgical Pathology

Background:

Appendageal tumors of the head, face, and neck present diagnostic challenges for dermatologists.
Apocrine hidrocystomas are uncommon benign cystic neoplasms arising from apocrine sweat glands.

Purpose of the Study:

To report a case of multiple facial apocrine hidrocystomas.
To describe the successful management and cosmetic outcome of this rare condition.

Main Methods:

Case presentation of a 35-year-old woman with multiple facial lesions.
Surgical management involving excision of the tumors.
Post-excision cauterization for complete removal and to prevent recurrence.

Main Results:

Complete resolution of multiple apocrine hidrocystomas on the face.

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Sectioning Mammary Gland Whole Mounts for Lesion Identification

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Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

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Excellent cosmetic result achieved post-operatively.

No evidence of recurrence at follow-up (implied).

Conclusions:

Multiple apocrine hidrocystomas, though rare, are treatable with surgical excision and cauterization.
This combined approach yields favorable cosmetic results for facial appendageal tumors.
Highlights the importance of recognizing and effectively managing these benign neoplasms.