Atlas de Anatomia do Corpo Humano - Central

The atlas of human body

Vagus Nerve
Vagus Nerve

The 10th cranial nerve. The vagus is a mixed nerve which contains somatic afferents (from skin in back of the ear and the external auditory meatus), visceral afferents (from the pharynx, larynx, thorax, and abdomen), parasympathetic efferents (to the thorax and abdomen), and efferents to striated muscle (of the larynx and pharynx).

Ulnar Nerve
Ulnar Nerve

A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm.

Tibial Nerve
Tibial Nerve

The medial terminal branch of the sciatic nerve. The tibial nerve fibers originate in lumbar and sacral spinal segments (L4 to S2). They supply motor and sensory innervation to parts of the calf and foot.

Obturator Nerve
Obturator Nerve

A nerve originating in the lumbar spinal cord (L2 to L4) and traveling through the lumbar plexus to the lower extremity. The obturator nerve provides motor innervation to the adductor muscles of the thigh and cutaneous sensory innervation of the inner thigh.

Peroneal Nerve
Peroneal Nerve

The lateral of the two terminal branches of the sciatic nerve. The peroneal (or fibular) nerve provides motor and sensory innervation to parts of the leg and foot.

Sural Nerve
Sural Nerve

A branch of the tibial nerve which supplies sensory innervation to parts of the lower leg and foot.

Adrenal Glands
Adrenal Glands

A pair of glands located at the cranial pole of each of the two KIDNEYS. Each adrenal gland is composed of two distinct endocrine tissues with separate embryonic origins, the ADRENAL CORTEX producing STEROIDS and the ADRENAL MEDULLA producing NEUROTRANSMITTERS.

Adrenal Medulla
Adrenal Medulla

The inner portion of the adrenal gland. Derived from ECTODERM, adrenal medulla consists mainly of CHROMAFFIN CELLS that produces and stores a number of NEUROTRANSMITTERS, mainly adrenaline (EPINEPHRINE) and NOREPINEPHRINE. The activity of the adrenal medulla is regulated by the SYMPATHETIC NERVOUS SYSTEM.

Mechanoreceptors
Mechanoreceptors

Cells specialized to transduce mechanical stimuli and relay that information centrally in the nervous system. Mechanoreceptors include HAIR CELLS, which mediate hearing and balance, and the various somatosensory receptors, often with non-neural accessory structures.

Mediastinum
Mediastinum

Thumb
Thumb

Rete Testis
Rete Testis

The network of channels formed at the termination of the straight SEMINIFEROUS TUBULES in the mediastinum testis. Rete testis channels drain into the efferent ductules that pass into the caput EPIDIDYMIS.

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