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Does the papillary layer produce the pattern for fingerprints?
Yes, the papillary layer of the dermis is responsible for creating the unique pattern of fingerprints that are formed during fetal development. The ridges and valleys in the skin are formed by the papillary layer pushing up against the overlying epidermis, creating the distinct fingerprint pattern.
Why is the papillary layer responsible for fingerprint?
The papillary layer of the skin is responsible for the formation of fingerprints due to its unique ridges and patterns. These ridges create friction when in contact with surfaces, leading to a better grip. The arrangement of these ridges is what creates the distinct patterns that make up fingerprints.
Name the structure between the left atrioventricular valve and the papillary muscle?
The chordae tendineae connect the AV valve and the papillary muscle. These structures work together to prevent backflow from the ventricle to the atrium.
The patellar reflex is a type of?
The patellar reflex is a type of stretch reflex that involves tapping the patellar tendon to elicit a contraction of the quadriceps muscle and extension of the knee. This reflex helps to maintain balance and stability.
What is the most common cause of papillary muscle dysfunction?
The most common cause of papillary muscle dysfunction is coronary artery disease, which can lead to myocardial infarction (heart attack) and damage to the papillary muscles. This can result in mitral valve regurgitation due to insufficient closure of the mitral valve leaflets.
Light shown into the eye will result in a decrease of the papillary diameter which nerves are involved in this reflex?
The autonomic nervous system is responsible for controlling the pupillary reflex. The parasympathetic nerves, specifically the oculomotor nerve (cranial nerve III), cause constriction of the pupils in response to light.
What muscle is attached to the chordae tendineae?
papillary muscles
Does the skin include the papillary layer?
The papillary layer of the skin is one of two layers of the dermis.
What happens if the papillary muscles fail to contract?
If the papillary muscles fail to contract the valves will prolapse. The papillary muscles are located in the ventricles and contract to prevent prolapse.
What are the symptoms of papillary mesthelioma?
There are many symptoms of papillary mesothelioma. Examples of symptoms of papillary mesothelioma includes having a cancerous tumor and feeling very ill.
How many papillary muscles are there in the heart?
Papillary muscles are found in the heart's ventricles. They control the AV valves.
What structure connects the cusps of the AV valves to the ventricles?
papillary muscles
Does the papillary layer consist of areolar connective tissue?
Yes, the papillary layer of the skin consists of areolar connective tissue.
What are equiped with the chordae tendinea and papillary muscles?
The heart valves are attached to the chordae tendinae and papillary muscles which function to open the valves.
What papillary muscle surrounds the pericardial sac?
There are papillary muscles IN the ventricles of the heart which keep the tricuspid and the mitral valves (AV valves) closed.
Does the papillary muscle surround the pericardial sac?
No
Does papillary thyroid cancer spread by blood?
no
