What is Inferior temporal gyrus? It refers to a convolution or elevation on the temporal lobe of the cerebral hemispheres that lie beneath the middle temporal sulcus and stretches to the inferior sulcus. It is abbreviated as ITG and is also known as “Gyrus Temporalis Inferior”. Inferior temporal gyrus Location It is one of the […]
Last updated on July 10th, 2012 at 12:42 pm
Coronary sulcus Definition It refers to a groove or furrow on the outer cardiac surface that marks the point of division between the ventricles and the atria. Coronary sulcus Synonyms This cardiac furrow is known by various other names, like: Coronary Groove Auriculoventricular Groove Atrioventricular Groove AV Groove Coronary sulcus Location It is located between […]
Last updated on July 10th, 2012 at 12:41 pm
What are Tracheal rings? These are 16-20 incomplete rings which together make up the wall of the trachea. Of these, 9-12 are located in the left bronchus and 6-8 in the right bronchus. These rings are made of cartilage and are held together by a firm, fibrous membrane of an elastic nature. In Latin, it […]
Last updated on November 14th, 2018 at 8:08 pm
What is Occipitofrontalis? It refers to a large muscle upon the skull of humans that extends to the back of the head from the brow. It comprises of two bellies or sections: Frontal belly – It is located close to the frontal bone. Occipital belly – As the name suggests, it is situated close to […]
Last updated on August 16th, 2018 at 8:09 am
Intersphincteric groove Definition It refers to a groove or furrow in the anal canal. It forms the lower margin of the pecten analis that separates the margin of the internal anal sphincter from the subcutaneous section of the external anal sphincter. The structure is also known as “Hilton’s White Line.”It has been named after the […]
Last updated on August 31st, 2017 at 11:49 am
Mainstem bronchus Definition It is one of the two main branches (bronchi) in humans that the trachea (windpipe) is divided into. It can refer to either the right or the left bronchus. Mainstem bronchus Types This respiratory structure is classified into two types: Right Mainstem bronchus It enters the right lungs and is approximately 2.5 […]
Last updated on June 27th, 2012 at 5:05 am
Levator palpebrae superioris Definition It is the muscle located in the orbit, the bony skull cavity containing the eyeball, which elevates the upper eyelid – also known as the superior eyelid. Levator palpebrae superioris Appearance It is thin and flat in shape. It is triangular in appearance. Levator palpebrae superioris Location It is situated on […]
Last updated on February 1st, 2018 at 12:38 pm
Duodenal cap Definition It is the first section of the duodenum, or the part of the small intestine within the jejunum and the stomach. It can be seen by fluoroscopy or with the aid of a roentgenogram. This intestinal structure is also referred to as “Pyloric cap.” Duodenal cap Appearance This structure is about 2 cms […]
Last updated on April 23rd, 2018 at 11:12 am
Spongy urethra Definition It is the longest section of the male urethra. Spongy urethra Appearance The structure is approximately 15 cm long and about 6 mm in diameter. It spreads to the external urethral orifice from the end point of the membranous part of the male urethra. Spongy urethra Location It is situated within the […]
Last updated on April 20th, 2020 at 6:54 pm
Zona glomerulosa Definition It is the outermost level of the adrenal cortex or the cortex of the suprarenal gland. The other two layers of the adrenal cortex beneath the glomerulosa are Zona fasciculata and Zona reticularis. Zona glomerulosa Location It lies directly under the capsule of the adrenal gland. Zona glomerulosa Appearance It is narrow […]
Last updated on August 31st, 2017 at 12:33 pm
