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Health

Sensory system and skin

Skin in a newborn baby: structure, diseases, proper care

In order to understand which skin conditions are normal for a child and which are pathological, it is very important to know the basic functions and structural features of the baby's skin.

Mammary glands in newborns

The mammary glands of newborns develop in a special way in utero and after birth, so it is very important to distinguish between the features of the physiological process and the onset of the disease.

Mammary glands in children

From the sixth week of embryonic development, almost simultaneously with organs such as the heart and lungs, the mammary glands of children begin to form.

The nipples of the mammary glands

The mammary gland lies on the pectoralis major and partly on the anterior serratus muscles. Approximately in the middle of the most convex area of the chest is a colored area - the nipple field, in the middle of which the nipple of the breast rises.

Breast quadrants

As is known, the human body consists of different body parts. Some of them are described in medicine as quadrants.

The orbit of the eye

The orbit of the eye is a pear-shaped cavity, the exit from which is represented by the optic nerve canal. Its intraorbital portion is longer (25 mm) than the distance from the posterior pole of the eye to the optic nerve canal (18 mm).

Eye movement study

Eye movement testing includes assessment of eye movement control and assessment of saccades.

Eye movements

The normal position of the eyeballs is parallelism of the visual axes when fixating a distant object or their intersection when fixating a close object.

Binocular vision

Binocular vision, i.e. vision with two eyes, when an object is perceived as a single image, is only possible with clear, coordinated movements of the eyeballs.

Chorioidea

Choroid (from Latin chorioidea) is the vascular membrane itself, the posterior part of the vascular tract of the eye, located from the dentate line to the optic nerve.

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