Atlas de Anatomia do Corpo Humano - Central

The atlas of human body

Eyebrows
Eyebrows

Curved rows of HAIR located on the upper edges of the eye sockets.

Eyelashes
Eyelashes

The hairs which project from the edges of the EYELIDS.

Epidermis
Epidermis

The external, nonvascular layer of the skin. It is made up, from within outward, of five layers of EPITHELIUM

Hair Follicle
Hair Follicle

A tube-like invagination of the EPIDERMIS from which the hair shaft develops and into which SEBACEOUS GLANDS open. The hair follicle is lined by a cellular inner and outer root sheath of epidermal origin and is invested with a fibrous sheath derived from the dermis. (Stedman, 26th ed) Follicles of very long hairs extend into the subcutaneous layer of tissue under the SKIN.

Sebaceous Glands
Sebaceous Glands

Small, sacculated organs found within the DERMIS. Each gland has a single duct that emerges from a cluster of oval alveoli. Each alveolus consists of a transparent BASEMENT MEMBRANE enclosing epithelial cells. The ducts from most sebaceous glands open into a HAIR FOLLICLE, but some open on the general surface of the SKIN. Sebaceous glands secrete SEBUM.

Sweat Glands
Sweat Glands

Sweat-producing structures that are embedded in the DERMIS. Each gland consists of a single tube, a coiled body, and a superficial duct.

Apocrine Glands
Apocrine Glands

Large, branched, specialized sweat glands that empty into the upper portion of a HAIR FOLLICLE instead of directly onto the SKIN.

Eccrine Glands
Eccrine Glands

Simple sweat glands that secrete sweat directly onto the SKIN.

Integumentary System
Integumentary System

The outer covering of the body composed of the SKIN and the skin appendages, which are the HAIR, the NAILS; and the SEBACEOUS GLANDS and the SWEAT GLANDS and their ducts.

Hair
Hair

A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body.

Nails
Nails

The thin, horny plates that cover the dorsal surfaces of the distal phalanges of the fingers and toes of primates.

Skin
Skin

The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.

Dermis
Dermis

A layer of vascularized connective tissue underneath the EPIDERMIS. The surface of the dermis contains innervated papillae. Embedded in or beneath the dermis are SWEAT GLANDS; HAIR FOLLICLES; and SEBACEOUS GLANDS.

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