What is the epiglottis? The epiglottis is the epiglottis, the upper part of the larynx. It has a cartilaginous skeleton and is covered by the same mucosa as the vocal folds inside the larynx and the mouth. The epiglottis is located above the trachea and closes it during the swallowing process. What is the function … Epiglottis: Function, Anatomy, and Diseases
What is the digestive system? Humans and animals must digest the food they eat in order to utilize it. The digestive system takes care of this. There, the ingested food is gradually broken down and digested enzymatically. The required nutrients are absorbed into the blood, and the unusable components are excreted. Digestive tract Digestive secretions … Digestive System (Human)
What is the ear? The human ear is an organ that combines two functions: the sense of hearing and the sense of balance. The ear anatomy The ear is divided into three anatomical regions: The outer ear. This includes the pinna (auricle auris), the external auditory canal (meatus acusticus externus) and the eardrum (membrana tympani). … The human ear: Structure and function
AV node: Control center between the atrium and ventricle The AV node is an area of dense, connective tissue-rich muscle fiber networks in the right atrium close to the border with the ventricle. It is the only conductive connection between the atrium and ventricle: the electrical impulses coming from the sinus node via the atrial … AV Node
What is the small intestine? The small intestine begins at the pylorus and ends at the Bauhin’s valve, the transition to the large intestine. Its total length is around five to six meters. Sections of the small intestine from top to bottom are Duodenum (duodenum), jejunum (jejunum) and ileum (ileum). Duodenum (duodenum) The duodenum begins … Small Intestine: Function and Structure
What is the prostate? The prostate is a gland about the size of a chestnut in the male abdomen that completely surrounds the beginning of the urethra. It is surrounded by a rough capsule (capsula prostatica) and consists of a central part and two lateral lobes. The paired vas deferens (ductus deferens), after uniting with … Prostate: Function, Anatomy, Diseases
What is the nose? At the junction between the atrium and the main cavity lies a strip of mucous membrane about 1.5 millimeters wide, which is crisscrossed by numerous tiny blood vessels (capillaries) and is called the locus Kiesselbachii. When one gets a nosebleed (epistaxis), this is usually the source of the bleeding. The nasal … Nose: Function, Anatomy, and Diseases
What is the cervical spine? The cervical spine (human) consists of seven cervical vertebrae (cervical vertebrae, C1-C7), which are positioned between the head and the thoracic spine. Like the lumbar spine, it has a physiological forward curvature (lordosis). Upper and lower cervical joint The first cervical vertebra is called the atlas, the second is the … Cervical Spine: Structure and Function
What is auditory perception? The term auditory perception describes the perception of sound – i.e. tones, sounds and noises. Sound is conveyed in the form of vibrations by the surrounding media (air or water), but also by vibrations of the underground. The auditory system is capable of perceiving up to 20 signals per second as … Auditory Perception: How Hearing Works
What is the penis? The penis and scrotum together form the male external genitalia. The penis structure includes three sections: penis root, penis shaft and glans. Penis root Via the penile root (radix), the member is attached to the pelvic floor and the lower pubic branches. It consists of three parts in the area of … Penis: Structure, Function, Diseases
What is the anus? The anus, also called the anal canal, is the lowest end of the rectum. It is divided into three areas from top to bottom: Zona columnaris: the mucosa here has six to eight longitudinal anal columns with indentations in between. Beneath the mucosa lies a vascular cushion (corpus cavernosum recti), which, … Anus (Anal Canal): Anatomy and Function
What is the thyroid gland? The thyroid gland is a reddish-brown colored organ in the neck region. It is often described as butterfly-shaped. This shape results from the two lateral lobes (lobus dexter and lobus sinister), which are usually of slightly different sizes. The two lateral lobes are connected by a transverse tissue bridge, the … Thyroid: Anatomy and Function