What is the Origin of Subcutaneous Tissue?

The term is purely anatomical, derived from the Latin 'sub' (under) and 'cutis' (skin). In the context of hormonal health, the clinical focus on this tissue intensified with the recognition of adipose tissue as a highly active endocrine organ, not just a passive storage site. This fat tissue produces hormones like leptin and, crucially, contains the aromatase enzyme, which converts androgens into estrogens, directly influencing the body's overall hormonal milieu.

What is the Mechanism of Subcutaneous Tissue?

The tissue functions as a dynamic metabolic buffer and an endocrine regulator. Adipocytes store energy in the form of triglycerides, and their mobilization is regulated by hormones like insulin, cortisol, and catecholamines. Furthermore, the aromatase enzyme within subcutaneous fat plays a key role in peripheral estrogen synthesis, which can be a primary source of estrogen, particularly in postmenopausal women and men. The distribution of this fat is

Subcutaneous Tissue ∞ Area

Subcutaneous Tissue

Meaning

Subcutaneous Tissue, also known as the hypodermis, is the innermost layer of the skin, composed primarily of adipose (fat) cells, connective tissue, and blood vessels, lying directly beneath the dermis. Its primary physiological functions include thermal insulation, energy storage, shock absorption, and providing a structural anchor for the skin to the underlying fascia and muscle. The quantity and distribution of this tissue are significantly influenced by sex hormones and metabolic health, making it a visible and functional biomarker of systemic hormonal status.