Human skull has around 20 Sutures which means that the number of bones fusing together to form sutures are 40 and including the number of single bones in the Skull the number of bones in the human Skull during birth are 45 and the number of bones in adulthood are 22 bones. Sutures: Def: Sutures […]
Various types of Suture Closure
Suture closure in our Skull occurs at a certain age and the proper Suture closure is important for the bone formation and structural integrity of the Skull. The infant Skull has 45 bones which occur many changes and suture closure changes take place and the Adult Skull has 22 Bones. So there are close to […]
Neurapraxia
Definition: Neurapraxia is a disorder of the peripheral nervous system in which there is a temporary loss of motor and sensory function due to blockage of nerve conduction, usually lasting an average of six to eight weeks before full recovery. We can say it is the injury to the nerve fiber which is present in […]
Waldeyer Inner and Outer lymphatic ring
Waldeyer’s lymphatic ring is a collection of lymphoid tissue It is also called as Waldeyer’s-Pirogov tonsillar ring It is divide into 2 types based on its location: Waldeyer’s outer ring: present in the neck Waldeyer’s inner ring / Waldeyer’s tonsillar ring: The lymphatic ring present around the pharynx Functions and Importance of Waldeyer lymphatic ring: […]
Abdominal regions
The abdomen is an important region of a human body it contains many of the vital organs of the body, so if there is discomfort in this region then the cause can be linked to many organs so first a medical/dental student has to know the regions of the abdomen to diagnose the present cause […]
A Brief Description of the cranial nerves
Here i have described about the cranial nerves their function and their supply to respective structures. Cranial nerves are important Nerves of the Head and Neck region having both Motor and Sensory function. Apart from the Vagus nerve which supply to the Other organs of the body, all other nerves supply to the Head and […]
Sensory neurons
Sensory neurons are the nerves which transmit the external stimulus from the external structures to the brain as chemical impulses, which are the senses like touch, hearing, taste, vision . . etc. sensory neurons are neurons that are activated by sensory input (vision, touch, hearing, etc.), and send projections into the central nervous system that […]
Motor Neurons
Motor Neurons: These are the nerve cells which transmitt information from the nerve ganglion to the muscle fibers through the synapse (or) the neuromuscular junction. They motor neurons transmit impulses away from brain or spinal cord toward or to muscles or glands with the help of neurotransmitters. Function: Motor neurons control the actions of the […]
Motor Nerves
Motor nerves: These are the nerves which are supplied from the the brain to the muscles and the glands to perform a function, they are used in contracting and relaxing the muscles to perform certain specified functions. These nerves are made up of many small neurons which are called as motor neurons. The Motor nerves […]
The 12 cranial nerves
Cranial nerves: These are so called because they emerge through the foramina or fissures in the cranium and are covered by tubular sheaths derived from the cranial meninges. The cranial nerves are bundles or sensory (or) motor fibers that inervate muscles (or) glands, carry impulses from sensory receptors, (or) show a combination of both motor […]
Intresting Dental Quotes
1) The best and cheapest dentistry is when the right thing is done extremely well the first time and it lasts for a long time. 2) (good one) Dentist: a prestidigitator who, putting metal into your mouth, pulls coin out of your pocket. 3) Even pearls are dark before the whiteness of his teeth. 4) […]
Differences between male skull and female skull
Differences between male and female skull are very important in forensics to determine the sex of the skull which has been recovered. From our ancestors, the differences in the skulls of males and females have been similar in obtaining different characteristics, which will be explained in the post below. The most obvious difference is the […]
Muscles of mastication – Origin, Insertion, Function, Nerve and Blood supply
The muscles which are required for mastication or chewing are known as the muscles of mastication. These muscles help mainly in the movement of the mandible and not the maxilla as maxilla is an integral part of the skull and the mandible being the only movable bone in the skull. The muscles help in moving […]
Mastication
Definition of Mastication: Rhythmic opposition & separation of jaws with the involvement of teeth, lips, cheeks & tongue for chewing of food in order to prepare it for swallowing & digestion. In simple terms we can describe it as “Grinding of Food into smaller particles to help is easier digestion with the help of teeth, […]