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The umbilical ring is a dense fibrous ring surrounding the umbilicus at birth. [1] At about the sixth week of embryological development , the midgut herniates through the umbilical ring; six weeks later it returns to the abdominal cavity and rotates around the superior mesenteric artery .
Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]
This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...
Parts of the adult navel include the "umbilical cord remnant" or "umbilical tip", which is the often protruding scar left by the detachment of the umbilical cord. This is located in the center of the navel, sometimes described as the belly button. Around the cord remnant is the "umbilical collar", formed by the dense fibrous umbilical ring ...
It is a common and potentially fatal condition in dogs. The main risk period for a female is for eight weeks after her peak standing heat (or estrus cycle) has ended. [6] Umbilical hernia* is a failure of the umbilical ring of the abdominal wall to close.
The name means white line as it is composed mostly of collagen connective tissue, which has a white appearance. [citation needed] In sufficiently muscular individuals, its presence can be seen on the skin, forming the depression between the left and right halves of a "six pack". [citation needed]
[124] [125] While male-parent dogs can show more disinterested behaviour toward their own puppies, [126] most can play with the young pups as they would with other dogs or humans. [127] A female dog may abandon or attack her puppies or her male partner dog if she is stressed or in pain. [128]
The shoulderblades are the scapular area and the breastbone is the sternal region. The abdominal area is the region between the chest and the pelvis. The breast is called the mamma or mammary, the armpit as the axilla and axillary, and the navel as the umbilicus and umbilical. The pelvis is the lower torso, between the abdomen and the thighs.