What is the femur? Femur is the medical term for the thigh bone. It is a tubular bone and is divided into different sections: At the upper end, the spherical femoral head (caput femoris) sits slightly angled on a long neck (collum femoris), the femoral neck. Together with the socket of the pelvic bone, the … Femur: Function, Anatomy, and Diseases
Neck muscles In the front of the neck, two muscle groups attach to the hyoid bone at the top and bottom, thereby stabilizing it. Despite its name, this small bone does not belong to the skull but to the torso skeleton and serves as an attachment point for various muscles of the tongue, neck and … Neck and Trunk Muscles
What is the foreskin? The foreskin (prepuce) is a double layer of skin. It represents the end of the stretchable and easily movable skin that covers the shaft of the penis. On the underside of the glans, the foreskin is attached to the glans by the frenulum. The foreskin in childhood Until the first year … Foreskin (prepuce): anatomy & function
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 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 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
What are the tonsils? The tonsils (tonsils) are part of the body’s immune defenses – the first “guardians,” so to speak, of all that is inhaled or ingested. They include: Palatine tonsil (Tonsilla palatina) Tonsil (Tonsilla lingualis) Pharyngeal tonsil (Tonsilla pharyngealis) – colloquially known as “adenoids” in children Tubal tonsil or “lateral cord” (Tonsilla tubaria) … Tonsils: Function, Anatomy, and Diseases
Heart: Structure The human heart is a strong, cone-shaped hollow muscle with a rounded tip. In an adult, the heart muscle is about the size of a fist and weighs an average of 250 to 300 grams. As a rule, a woman’s heart is slightly lighter than a man’s. The critical heart weight starts at … Heart: Anatomy, location, and function
What is the hippocampus? The hippocampus is a brain region that belongs to the limbic cortex (limbic system). The name means “seahorse” because this brain region has a similar shape to the small sea creature. It belongs to the allocortex, which is a developmentally very old part of the cerebral cortex. The hippocampus is part … Hippocampus: Function & Anatomy
What is the sphenoid bone? The sphenoid bone (os sphenoidale) is a central bone of the skull that is roughly shaped like a flying wasp with outstretched wings and drooping legs: It consists of the sphenoid body (corpus), two large sphenoid wings (alae majores), two small sphenoid wings (alae minores) and the downward-pointing wing-like projections … Sphenoid Bone (Os sphenoidale): Anatomy & Function
