WebMar 28, 2015 · Palm: This is the bottom of the body of the hand. Back (opisthenar): The back of the hand shows the dorsal venous network, a web of veins. Wrist: The … Webthumb, also called pollex, short, thick first digit of the human hand and of the lower-primate hand and foot. It differs from other digits in having only two phalanges (tubular bones of the fingers and toes). The thumb also differs in having much freedom of movement and being opposable to tips of other digits. The corresponding first digit (most medial digit) in other …
Digit Definition & Meaning - Merriam-Webster
WebJan 30, 2013 · According to my Nursing Textbook (from a while back) we have 8 fingers, or 10 digits. The fourth finger is the pinky (first is the index finger. However, the 4th finger … WebJan 10, 2024 · The thumb, and the rest of the fingers, are appendages or digits of the hand. While the thumb is distinctly different from the other four fingers, many medical … frozen magic 240
1.6 Anatomical Terminology - Anatomy and Physiology
WebNov 29, 2024 · Innervation. The interphalangeal joints of the hand receive innervation from the proper palmar digital nerves, arising from both the median and ulnar nerves.Specifically, digits 1-3 and the lateral half … Humans normally have five digits on each extremity. Each digit is formed by several bones called phalanges, surrounded by soft tissue. Human fingers normally have a nail at the distal phalanx. The phenomenon of polydactyly occurs when extra digits are present; fewer digits than normal are also possible, for … See more A digit is one of several most distal parts of a limb, such as fingers or toes, present in many vertebrates. See more Some languages have different names for hand and foot digits (English: respectively "finger" and "toe", German: "Finger" and "Zeh", French: "doigt" and "orteil"). In other languages, e.g. Arabic, Russian, Polish, Spanish, Portuguese, Italian, Czech, Tagalog See more Two ideas about the homology of arms, hands, and digits exist. • That digits are unique to tetrapods; and • That homologous antecedents to digits were present in the fins of early sarcopterygian fish. See more • Polydactyly in early tetrapods • Polydactyly See more Each finger has an orderly somatotopic representation on the cerebral cortex in the somatosensory cortex area 3b, part of area 1 and a distributed, overlapping representation in the See more Birds and theropod dinosaurs (from which birds evolved) have three digits on their hands. Paradoxically the two digits that are missing are different: the bird hand (embedded in the … See more 1. ^ Dwight T (1892). "Fusion of hands". Memoirs of the Boston Society of Natural History. 4: 473–486. 2. ^ Van Westen D, Fransson P, Olsrud J, Rosén B, Lundborg G, Larsson EM … See more WebCertain directional anatomical terms appear throughout this and any other anatomy textbook (Figure 1.13). These terms are essential for describing the relative locations of different body structures. ... The thumb (pollex) is lateral to the digits. Medial describes the middle or direction toward the middle of the body. The hallux is the medial toe. frozen magazine